JP6835374B1 - Modular metal roofing material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique for a metal roofing material, in which the processing shape and dimensions of the roof edge of the metal roofing material are different for each roof surface at the site, and a craftsman cuts the metal roofing material according to the roof shape at the site. There was a problem that it was necessary to take time and effort to perform the work such as bending and bending. SOLUTION: In the metal roofing material of the present invention, the horizontal projection dimension of the working length is an integral fraction of the design unit dimension of the building, and the working width dimension is an integer of twice or more the horizontal projection dimension of the working length. It is doubled and is composed of a main body and a connecting material. The main body is provided with a head-side fixing part and a tail-side fixing part, and a connecting material for connecting the lower-stage tail-side fixing part and the upper-stage head-side fixing part is provided. The working length is provided at a position that matches the positioning reference, and the connecting material has a dimensional adjustment part that changes the working length, and the working length is adjusted by selecting a connecting material that has the dimensional adjustment part length for each gradient. However, even if the slope changes, the horizontal projection dimension of the working length is an integral fraction of the design unit dimension of the building. [Selection diagram] Fig. 1

Description

According to the present invention, in a horizontal roofing metal roofing material that is roofed on a sloped roof of a building, the horizontal projection dimension of the working length of the metal roofing material is an integral fraction of the design unit dimension of the building. The working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is composed of a main body and a connecting material, and the head side of the main body. A head-side fixing portion is provided on the roof, a tail-side fixing portion is provided on the tail side of the main body, and the connecting material is provided on the connecting material based on the main body working length positioning reference provided on the tail side of the main body. Positioning is performed by matching the length positioning reference, and at the time of step roofing, the head-side fixing portion of the main body located in the upper stage is abutted against the connecting material located in the lower stage, and the connecting material is positioned in the lower stage. The tail-side fixing portion of the main body and the head-side fixing portion of the main body located in the upper stage are connected, and the connecting material fixing portion and the tail-side fixing portion are fixed to the roof base with a binding material to be integrated. The connecting material has a dimension adjusting portion, and the length of the dimension adjusting portion is set for each of the gradients in order to change the working length of the metal roofing material for each of the gradients. By preparing the connecting material of the above, the working length of the metal roofing material is adjusted.

Patent Document 1 of the prior art includes a roofing material working length adjusting member of Jitsukaihei No. 5-14360. This patent document relates to a member for adjusting the working length of a metal roofing material such as a passing portion.
In order to adjust the working length of a roofing material having a downwardly bent locking portion at the lower end in the roof flow direction and a rising locking portion at the upper end, the roofing material It has been proposed that the adjusting member is fixed to the upper surface, a rising locking portion is provided at the lower end, and a waterproof sealing material is attached to the upper lower surface of the locking portion.

Jikkenhei 5-14360 Gazette

Patent Document 1 relates to a member for adjusting the working length of a metal roofing material such as a passing portion, and is provided with a downwardly bent locking portion at the lower end in the roof flow direction and is on the upper side. An adjusting member fixed to the upper surface of the roofing material in order to adjust the working length of the roofing material having a rising locking portion at the end, and a rising locking portion is provided at the lower end. It is characterized in that a waterproof sealing material is attached to the lower surface on the upper side of the locking portion.
Due to the configuration of the member for adjusting the working length, it is extremely easy to adjust the working length of the roofing material, the workability is good, the work efficiency is greatly improved, the waterproof function can be secured, and the appearance is spoiled. There is no need for cutting and bending work at the construction site, and the effect is that the construction time can be shortened.

However, the member for adjusting the working length of Patent Document 1 is effective when only the working length is adjusted as a flow direction adjusting function, but the design unit dimensions of the building and the working length of the roofing material are effective. Since the dimensions and working width dimensions are not related, the processing shape and dimensions of the metal roofing material at the roof edge differ depending on the roof surface at the site, and the craftsman cuts the metal roofing material according to the roof shape at the site. There was a problem that it was necessary to take time and effort to perform the work such as bending and bending.

According to the present invention, in a horizontal roofing metal roofing material that is roofed on a sloped roof of a building, the horizontal projection dimension of the working length of the metal roofing material is an integral fraction of the design unit dimension of the building. The working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is composed of a main body and a connecting material, and the head side of the main body. A head-side fixing portion is provided on the roof, a tail-side fixing portion is provided on the tail side of the main body, and the connecting material is provided on the connecting material based on the main body working length positioning reference provided on the tail side of the main body. Positioning is performed by matching the length positioning reference, and at the time of step roofing, the head-side fixing portion of the main body located in the upper stage is abutted against the connecting material located in the lower stage, and the connecting material is positioned in the lower stage. The tail-side fixing portion of the main body and the head-side fixing portion of the main body located in the upper stage are connected, and the connecting material fixing portion and the tail-side fixing portion are fixed to the roof base with a binding material to be integrated. The connecting material has a dimension adjusting portion, and the length of the dimension adjusting portion is set for each of the gradients in order to change the working length of the metal roofing material for each of the gradients. By preparing the connecting material of the above, the working length of the metal roofing material is adjusted, and even if the slope changes, the horizontal projection dimension of the working length of the metal roofing material is an integral fraction of the design unit size of the building. Provided is a modular metal roofing material.

The modular metal roofing material of the present invention according to claim 1 is a horizontal roofing metal roofing material that is roofed with steps on a sloped roof of the building, and the horizontal projection dimension of the working length of the metal roofing material is the design of the building. It is an integral fraction of the unit dimension, the working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is connected to the main body. It is made of a material, a head-side fixing portion is provided on the head side of the main body, a tail-side fixing portion is provided on the tail side of the main body, and the connecting material is a main body working length positioning reference provided on the tail side of the main body. Positioning is performed by matching the connecting material working length positioning reference provided on the connecting material, and when roofing, the head-side fixing portion of the main body located on the upper stage is pressed against the connecting material located on the lower stage. Then, the connecting material connects the tail-side fixing portion of the main body located in the lower stage and the head-side fixing portion of the main body located in the upper stage, and the connecting material fixing portion and the tail-side fixing portion are connected by a binding material. It is integrated by fixing it to the roof base, and the connecting material has a dimension adjusting portion, and the length of the dimension adjusting portion is changed for each gradient in order to change the working length of the metal roofing material for each gradient. By preparing the connecting material having a different length of the set dimension adjusting portion, the horizontal projection dimension of the working length of the metal roofing material can be made to be an integral fraction of the design unit dimension of the building. It is a feature.

According to the second aspect of the present invention, in the modular metal roofing material according to the first aspect, the connecting member is positioned by applying the connecting member working length positioning reference to the main body working length positioning reference. It is characterized by that.

The present invention according to claim 3 is the modular metal roofing material according to claim 1 or 2, which is continuously constant on the tail side of the metal roofing material from one side end of the main body to the other side end. It is characterized by providing a buttock-side water return having a height.

According to the fourth aspect of the present invention, in the modular metal roofing material according to any one of claims 1 to 3, one of the head-side fixing portions is provided with a head-side notch having the same dimensions as the laterally overlapping dimensions. The head side notch side end is used as a working width positioning standard, and the head side fixed portion side end that is laid sideways when side-roofing is aligned with the working width positioning standard to perform positioning. To do.

According to the present invention, in a horizontal roofing metal roofing material that is roofed on a sloped roof of a building, the horizontal projection dimension of the working length of the metal roofing material is an integral fraction of the design unit dimension of the building. Yes, the working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is composed of a main body and a connecting material, and the main body A head-side fixing portion is provided on the head side, a tail-side fixing portion is provided on the tail side of the main body, and the connecting material is a connection provided on the connecting material according to a main body working length positioning reference provided on the tail side of the main body. Positioning is performed by matching the material working length positioning standard, and at the time of step roofing, the head-side fixing portion of the main body located in the upper stage is attached to the connecting material located in the lower stage, and the connecting material is used to move the lower stage. The tail-side fixing portion of the main body located and the head-side fixing portion of the main body located in the upper stage are connected, and the connecting material fixing portion and the tail-side fixing portion are fixed to the roof base with a binding material to be integrated. The connecting material has a dimensional adjustment unit, and the length of the dimensional adjustment unit is set for each gradient in order to change the working length of the metal roofing material for each gradient. By preparing the staggered connecting material, the horizontal projection dimension of the working length of the metal roofing material can be made an integral fraction of the design unit dimension of the building, so that the building can be used at various slopes. It is possible to arrange roofing materials in which the horizontal projection dimensions of the design unit dimensions and the working length and the working width dimensions are linked, and the land ridge, corner ridge, keraba, wall edge, three-pronged, land ridge bend, valley. It is possible to make rules for the arrangement and shape of roofing materials at all roof edges.
In the modular metal roofing material of the present invention, the force for fixing the buttock side fixing portion to the roof base with the binding material by connecting the upper head side fixing portion and the lower buttock side fixing portion with the connecting material is the metal roofing material. It is also transmitted to the head side and can prevent scattering and falling out even in the event of a disaster such as a typhoon or an earthquake.
Prepare connecting materials with different lengths of the dimension adjustment part for each gradient, position the connecting material according to the main body working length positioning standard provided on the tail side, and connect the upper head side fixing part and the lower stage at the time of stepping. By stopping the material, it is possible to easily and accurately position the required working length for each gradient without measuring the working length during construction.
The required working length dimension for each slope is the horizontal projection dimension of the working length of the metal roofing material set to an integral fraction of the design unit dimension of the building, and the slope elongation rate for each slope and the return slope of the roofing material. Although it is calculated in consideration, since the length of the dimension adjustment part for each gradient is set in advance, the required working length for each gradient can be easily and accurately calculated without calculating the required working length at the site. It can be positioned.
When the roof shape is horizontally projected with a roof shape with corner ridges and valleys, when one girder direction is set to 0 degrees, the corner ridges and valleys are always set to 45 degrees, so metal When the roofing material is arranged in the horizontal projection dimension of the working length of the roofing material, the metal roofing material is shifted in the girder direction by the horizontal projection dimension of the working length of the roofing material for each step. Using this law, the horizontal projection dimension of the working length of the metal roofing material is set to an integral fraction of the design unit size of the building, and the working width dimension of the metal roofing material is more than twice the horizontal projection dimension of the working length. When the arrangement rule is set to be an integral multiple of the horizontal projection dimension of the working length of the metal roofing material when arranging the metal roofing material in the girder direction, the arrangement rule is to shift each step by an integral multiple of the horizontal projection dimension. The arrangement rule becomes a simple, clear and easy-to-understand rule with regularity, and it can be installed as a standardized shape roofing material with standardized shape and dimensions at the roof edge. Even if the roofing material is not cut or bent at the construction site, the standardized shape roofing material prepared in advance can be constructed simply by arranging the standardized shape roofing material according to the rules decided at the site. Workability can be improved and productivity at the construction site can be improved.
By lengthening the metal roofing material in the girder direction, the workability can be improved by reducing the number of works in the horizontal direction.
When the metal roofing material is produced by pre-cutting, the standardized roofing material to be installed on the roof edge is pre-cut and produced with high workability because it is easy to cut because the main body without connecting material is cut. Can be done.
At the same time as fixing the connecting material to the roof base with a binding material, it can be fixed at the butt side fixing part of the main body.
Furthermore, since the head-side fixing part of the upper stage is fixed from above by the connecting material, the force to fix the butt-side fixing part to the roof base with the binding material is transmitted to the head-side fixing part of the metal roofing material, and the typhoon It is possible to prevent scattering and dropping even in the event of a disaster such as an earthquake or an earthquake.

Product drawings according to examples of the present invention Perspective view of the product according to the embodiment of the present invention Perspective view of the product body and the connecting material according to the embodiment of the present invention. Working length positioning perspective view during construction according to the embodiment of the present invention Working width positioning perspective view at the time of construction according to the embodiment of the present invention Construction cross-sectional view at the time of adjusting the working length by the gradient in the embodiment of the present invention Layout of products and connecting materials on the triangular roof surface of the hipped roof according to the embodiment of the present invention. Perspective view of standardized roofing material according to the embodiment of the present invention Product drawing according to the embodiment of the present invention and construction sectional view at the time of adjusting the working length by the gradient. Working length positioning perspective view during construction according to the embodiment of the present invention Product drawing and construction sectional view according to an embodiment of the present invention Product drawings according to examples of the present invention Perspective view of the product according to the embodiment of the present invention Adjustment dimension table for each horizontal projection dimension of working length according to the embodiment of the present invention Product layout and product drawing on the roof plan according to the embodiment of the present invention

The modular metal roofing material according to the first embodiment of the present invention is a horizontal roofing material that is step-roofed on a sloped roof of a building, and the horizontal projection dimension of the working length of the metal roofing material is the building. The working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is the main body. The head side fixing portion is provided on the head side of the main body, the tail side fixing portion is provided on the tail side of the main body, and the connecting material is provided on the tail side of the main body. Positioning is performed by matching the positioning reference with the working length positioning reference of the connecting material provided on the connecting material, and at the time of step roofing, the head-side fixing portion of the main body located on the upper stage is attached to the connecting material located on the lower stage. The contacting material is used to connect the tail-side fixing portion of the main body located in the lower stage and the head-side fixing portion of the main body located in the upper stage, and tightly connect the connecting material fixing portion and the tail-side fixing portion. It is integrated by fixing it to the roof base with a material, and the connecting material has a dimension adjusting portion, and the length of the dimension adjusting portion for each gradient in order to change the working length of the metal roofing material for each gradient. By preparing the connecting material having a different length of the dimension adjusting portion in which the height is set, the horizontally projected dimension of the working length of the metal roofing material is made to be an integral fraction of the design unit dimension of the building. It is a thing.
According to the present embodiment, it is possible to arrange the roofing material in which the design unit dimension of the building, the horizontal projection dimension of the working length and the working width dimension are linked even on various slopes, and the land ridge part, the corner ridge part, and the keraba part can be arranged. , The arrangement and shape of roofing materials can be ruled at all roof edges such as wall edges, three-pronged sections, land ridge bends, and valleys.
In the modular metal roofing material of the present embodiment, the force of fixing the buttock side fixing portion to the roof base with the binding material by connecting the upper head side fixing portion and the lower buttock side fixing portion with the connecting material is a metal roof. It is also transmitted to the head side of the material and can prevent scattering and falling off even in the event of a disaster such as a typhoon or an earthquake.
Prepare connecting materials with different lengths of the dimension adjustment part for each gradient, position the connecting material according to the main body working length positioning standard provided on the tail side, and connect the upper head side fixing part and the lower stage at the time of stepping. By stopping the material, it is possible to easily and accurately position the required working length for each gradient without measuring the working length during construction.
The required working length dimension for each slope is the horizontal projection dimension of the working length of the metal roofing material set to an integral fraction of the design unit dimension of the building, and the slope elongation rate for each slope and the return slope of the roofing material. Although it is calculated in consideration, since the length of the dimension adjustment part for each gradient is set in advance, the required working length for each gradient can be easily and accurately calculated without calculating the required working length at the site. It can be positioned.
When the roof shape is horizontally projected with a roof shape with corner ridges and valleys, when one girder direction is set to 0 degrees, the corner ridges and valleys are always set to 45 degrees, so metal When the roofing material is arranged in the horizontal projection dimension of the working length of the roofing material, the metal roofing material is shifted in the girder direction by the horizontal projection dimension of the working length of the roofing material for each step. Using this law, the horizontal projection dimension of the working length of the metal roofing material is set to an integral fraction of the design unit size of the building, and the working width dimension of the metal roofing material is more than twice the horizontal projection dimension of the working length. When the arrangement rule is set to be an integral multiple of the horizontal projection dimension of the working length of the metal roofing material when arranging the metal roofing material in the girder direction, the arrangement rule is to shift each step by an integral multiple of the horizontal projection dimension. The arrangement rule becomes a simple, clear and easy-to-understand rule with regularity, and it can be installed as a standardized shape roofing material with standardized shape and dimensions at the roof edge. Even if the roofing material is not cut or bent at the construction site, the standardized shape roofing material prepared in advance can be constructed simply by arranging the standardized shape roofing material according to the rules decided at the site. Workability can be improved and productivity at the construction site can be improved.
By lengthening the metal roofing material in the girder direction, the workability can be improved by reducing the number of works in the horizontal direction.
When the metal roofing material is produced by pre-cutting, the standardized roofing material to be installed on the roof edge is pre-cut and produced with high workability because it is easy to cut because the main body without connecting material is cut. Can be done.
At the same time as fixing the connecting material to the roof base with a binding material, it can be fixed at the butt side fixing part of the main body.
Furthermore, since the head-side fixing part of the upper stage is fixed from above by the connecting material, the force to fix the butt-side fixing part to the roof base with the binding material is transmitted to the head-side fixing part of the metal roofing material, and the typhoon It is possible to prevent scattering and dropping even in the event of a disaster such as an earthquake or an earthquake.

In the second embodiment of the present invention, in the module metal roofing material according to the first embodiment, the connecting material working length positioning reference is applied to the main body working length positioning reference to obtain the connecting material. It is for positioning.
According to the present embodiment, since the positioning of the connecting material is performed by applying the connecting material working length positioning reference to the main body working length positioning reference, the connecting material is easily attached in the field. The connecting material can be attached by positioning quickly and accurately.

A third embodiment of the present invention is the modular metal roofing material according to the first or second embodiment, in which the tail side of the metal roofing material is continuous from one side end of the main body to the other side end. It is provided with a water return on the buttock side having a constant height.
According to the present embodiment, the tail side of the metal roofing material is provided with a tail side water return having a constant height continuously from one side end of the main body to the other side end, so that the wind can be blown. It has excellent waterproofness against the accompanying rain.
Therefore, excellent waterproof performance can be exhibited even in the event of a typhoon or other storm.

In the fourth embodiment of the present invention, in the modular metal roofing material according to any one of the first to third embodiments, one of the head-side fixing portions is provided with a head-side notch having the same size as the laterally overlapping dimension. Positioning is performed by providing the end on the side of the notch on the head side as a working width positioning reference and aligning the end on the side of the fixed portion on the head side that is laid sideways when side-roofing with the working width positioning reference. ..
According to the present embodiment, the working width dimension can be accurately and easily obtained without measuring at the time of construction by aligning the side end of the head-side fixed portion that is laid sideways when side-roofing with the working width positioning reference. Can be positioned and the metal roofing material can be installed at the correct position.

Hereinafter, the modular metal roofing material according to the embodiment of the present invention will be described.
FIG. 1 is a product drawing of a modular metal roofing material according to an embodiment.
The product design module in the product of FIG. 1 is a scale module, and the design unit dimension P of the building is also a scale module, and 1P = 910 mm.
FIG. 1A is a product drawing of a modular metal roofing material and is a six-view drawing by a projection method.
FIG. 1 (b) is a three-view view in which FIG. 1 (a) is enlarged and the width direction is omitted by an omitted line.
FIG. 1 (c) is a construction cross-sectional view showing the construction state of the upper and lower stages by further enlarging FIG. 1 (b).

The product of FIG. 1A is a horizontally-roofed metal roofing material 1 that is step-roofed on a roof 2 having a slope 34 of a building, and is a drawing in a state where the main body 3 and the connecting material 4 are assembled.
The horizontal projection dimension Lh of the working length of the metal roofing material 1 is a quarter of the design unit dimension P of the building, 910 mm, and is 227.5 mm.
The product of FIG. 1 has a gradient 34 set with a gradient of 2.5 inches, and the working length dimension L is a dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5 inch gradient. is there.
When 1.0307, which is the gradient elongation rate of 2.5 inch gradient, is multiplied by 227.5 mm, the working length dimension L becomes 234 mm.
The working width dimension W of the metal roofing material 1 is 1820 mm, which is eight times the horizontal projection dimension Lh of the working length of the metal roofing material 1 of 227.5 mm.
The metal roofing material 1 is composed of a main body 3 and a connecting member 4, and has a configuration in which a head side fixing portion 7 is provided on the head side 5 of the main body 3 and a tail side fixing portion 8 is provided on the tail side 6 of the main body 3. ..
Further, a connecting member 4 is provided on the tail side 6 of the main body 3, and the connecting member 4 is provided at a position where the main body working length positioning reference 10 and the connecting material working length positioning reference 12 provided on the tail side are combined. It has become.
The total length LA of the metal roofing material 1 is 285 mm, and the vertically overlapping dimension 15 is 51 mm.
The total width WA of the metal roofing material 1 is 1900 mm, and the lateral overlapping dimension 14 is 80 mm.
The total width WA of the connecting member 4 is 1820 mm, which is the same dimension as the working width W of the metal roofing material 1.
Since the connecting member 4 is provided at a position where the right end of the main body 3 and the right end of the connecting member 4 are aligned in the plan view, 80 mm having a laterally overlapping dimension of 14 exists between the left end of the main body 3 and the left end of the connecting member 4.
In the front view, the head side notch portion 16 having the same size as 80 mm, which is the size 14 of the right end lower end portion of the head side fixing portion 7, is present.
The tail side 6 of the metal roofing material 1 is provided with a tail side water return 13 having a constant height continuously from one side end of the main body 3 to the other side end.
In the embodiment, the buttock-side water return 13 that is raised perpendicularly to the buttock-side end of the main body 3 is provided continuously at a constant height from the right end to the left end when viewed from the head side 5.
A back surface heat insulating backup material 23 is provided on the back surface of the product.
The back surface insulation backup material has a total width WA of 1820 mm, and is provided at the position where the left end of the main body 3 and the left end of the back surface insulation backup material 23 in the plan view are aligned. Therefore, the range of 80 mm, which is the horizontal overlapping dimension 14, is the metal roof next to the side. Since the materials 1 overlap, the back surface heat insulating backup material 23 does not exist.

FIG. 1 (b) is a three-view view obtained by enlarging FIG. 1 (a) and omitting the width direction with omitted lines, and is a front view, a plan view, and a right side view of the product.
A head side notch 16 is provided on the right side in the front view.
The side end of the notch on the head side is set as a working width positioning reference 17 as a positioning reference for horizontal roofing.
The side end of the head-side fixing portion in the direction opposite to the head-side notch portion 16 is the head-side fixing portion side end 18, and the head-side fixing portion side end 18 that is laid sideways when side-roofing is the working width. Positioning is performed by hitting against the positioning reference 17.
In the right side view, the back surface heat insulating backup material 23 provided on the back surface of the main body increases in thickness from the tail side 6 to the head side 5, and the angle of increasing the thickness is when the metal roofing material 1 is installed on the roof. The angle is almost the same as the return slope of the metal roofing material 1 of the above, and the space between the metal roofing material 1 and the roof base 24 can be filled with the backside heat insulating backup material 23 at the time of construction. It is hard to deform even if a load is applied.
Since the head finding dimension is 10 mm and the working length dimension L is 234 mm, the return gradient of the embodiment is calculated by 10 mm ÷ 234 mm and is 0.043.
Therefore, in the metal roofing material 1 of the embodiment, the return gradient is 4 minutes and 3 square meters.

FIG. 1 (c) is a construction cross-sectional view showing the construction state of the upper and lower stages by further enlarging FIG. 1 (b), and is a lower head side fixing portion 7 and an upper stage tail side fixing portion 8 at the time of step roofing. It shows the construction situation of connecting with the connecting material 4.
The connecting member 4 provided on the buttock side 6 of the main body 3 has a configuration in which the main body working length positioning reference 10 provided on the buttock side and the connecting member working length positioning reference 12 are provided at a combined position.
Specifically, the main body working length positioning reference 10 is the lower end portion of the tail side water return 13 raised perpendicularly to the tail side end portion of the main body 3, and the connecting material working length positioning reference 12 and the tail side water return. The connecting member 4 is positioned by holding the 13 in contact with each other.
The connecting member 4 has a Z-shaped cross-sectional shape, and is a connecting portion that is lifted in parallel from the dimensional adjusting portion 11 and the dimensional adjusting portion 11 that come into contact with the upper surface 9 of the buttock side 6 in a plane and holds the lower head side fixing portion 7 during construction. There are 21.
The dimension adjusting portion 11 has a function of varying the working length dimension L of the metal roofing material 1, and makes the lower head-side fixing portion 7 and the upper connecting member 4 abutting each other at the time of stepping. Determines the working length dimension L of the metal roofing material 1.
The dimension adjusting unit 11 sets the length A of the dimension adjusting unit for each gradient 34.
The working length dimension L of the metal roofing material 1 can be adjusted by selecting the connecting member 4 having the length A of the dimension adjusting portion for each gradient for each gradient 34.
The end of the head-side fixing portion 7 is provided with a head-side fixing portion folding back 22 provided with a folding back.
By providing the head-side fixed portion folded-back 22, the lower surface of the connecting portion 21 presses the head-side fixed portion folded-back 22 between the R surfaces, so that the head-side fixed portion is firmly fixed by pressing with the surface even when a blowing load such as a typhoon is applied. The part 7 can be fixed, and excellent disaster prevention performance can be exhibited.
The butt-side fixing portion 8 provided on the butt-side 6 of the main body 3 is fixed to the roof base 24 by co-strike with the connecting material fixing portion 19 provided on the upper surface 9 of the dimension adjusting portion 11 of the connecting material 4 with the binding material 20. To do.
Since the tail side fixing portion 8 is fixed at the same time in the step of fixing the connecting member 4, the construction work can be saved.
The main body 3 of the embodiment is preferably a thin steel plate having a base material thickness of about 0.35 mm to 0.6 mm, which is a coated and melted 55% aluminum-zinc alloy plated steel plate whose surface is coated.
The material of the connecting material 4 of the embodiment is aluminum and is an extruded product having a thickness of 1.5 mm, but a thin plate of the same paint-melted 55% aluminum-zinc alloy plated steel plate as the main body 3 may be used.
When using a thin steel plate, it is necessary to take measures to increase the wind resistance, such as increasing the thickness of the base material or manufacturing it by double folding.

FIG. 2 is a perspective view of the product according to the embodiment of FIG.
FIG. 2A is a perspective view of the entire product as viewed from the upper surface 9 side.
The connecting member 4 is provided with four connecting member fixing portions 19 which have been subjected to hole processing for fastening with the binding member 20.
The connecting member fixing portion 19 on the right side when viewed from the head side 5 is provided at a laterally overlapping portion, and is provided so that the main body 3 can be fixed to the roof base 24 together with the laterally overlapping tail side fixing portion 8.
By providing the connecting material fixing portion 19 in advance on the connecting material 4, the fastening pitch, the number of fastenings, and the like can be reliably performed at the site.
By fixing the butt-side fixing portion 8 of the main body 3 at the same time as the connecting material fixing portion 19 with the binding material 20, the fixing strength is improved and the workability is improved.
FIG. 2B is an enlarged perspective view of the head side 5 of the main body 3.
The head side fixing portion 7 is continuous from the head Mitsuke and is manufactured by bending.
The tip of the head-side fixing portion 7 is folded back to provide the head-side fixing portion folding back 22.
The folded back can be fixed on the surface when connected to the connecting member 4 by processing it into an R shape instead of a crushed shape. In addition, the R shape instead of the crushed shape helps prevent cracks in the coating film layer and the plating layer.
FIG. 2C is an enlarged perspective view of a tail portion 6 in which the main body 3 and the connecting member 4 are assembled.
The butt-side water return 13 with the butt-side end of the main body 3 raised is used not only as a waterproof function as a water return but also as a positioning function as a positioning reference 10 for the working length.
By hitting the rising portion of the tail side water return 13 and the connecting material working length positioning reference 12 with each other, positioning can be easily performed without measuring at the construction site.
By setting the length of the dimension adjusting portion 11 for each gradient 34 of the connecting member 4, one type of main body 3 can have a working length dimension L suitable for a plurality of gradients.

FIG. 3 is a perspective view of the product body and the connecting member 4 according to the embodiment of FIG.
FIG. 3A is a perspective view showing a place where the main body 3 and the connecting member 4 are separated from each other.
The butt side fixing portion 8 is not provided on the upper surface of the butt side 6 of the main body 3, and the position of the connecting member fixing portion 19 when the connecting member 4 is assembled is the position of the butt side fixing portion 8.
The buttock side water return 13 that is raised perpendicularly to the buttock side end portion of the main body 3 is provided continuously at a constant height from the right end to the left end when viewed from the head side 5.
FIG. 3B is a perspective view showing a state in which the main body 3 and the connecting member 4 are assembled.
As shown in FIG. 3 (a), the main body 3 and the connecting material 4 can be prepared separately and positioned and fixed at the construction site, but as shown in FIG. 3 (b), the connecting material 4 is fixed in advance with double-sided tape or the like. You can also do it.
If it is prepared separately, the labor on site will increase, but the inventory load can be reduced by using only one type of inventory for the main body 3.
When the main body 3 and the connecting member 4 are assembled and prepared, the labor at the site is reduced and the workability is improved.

FIG. 4 is a perspective view of working length positioning at the time of construction according to the embodiment of FIG.
FIG. 4A is a construction perspective view when the metal roofing material 1 is stepped.
The work is carried out by shifting the working length dimension L in the flow direction and the horizontal projection dimension Lh of the working length in the girder direction.
The working length dimension L is 234 mm as shown in FIG. 1, and when the gradient is 2.5 inch, the horizontal projection dimension Lh of the working length is 227.5 mm, which is a quarter of the design unit dimension P of the building. Become one of.
FIG. 4B is a perspective view of a cross-sectional view taken along the line AA of FIG. 4A.
The tip of the head-side fixing portion 7 and the rear end of the connecting portion 21 of the connecting member 4 are positioned by a padding to secure the working length dimension L.
In the embodiment, the tip of the head-side fixing portion 7 is positioned by hitting the connecting portion 21, but the connecting portion 21 may be lengthened and the tip of the connecting portion 21 may be brought into contact with the head-side fixing portion 7 for positioning.

FIG. 5 is a perspective view of working width positioning at the time of construction according to the embodiment of FIG.
FIG. 5A is a perspective view seen from the back surface before the metal roofing materials 1 are overlapped when they are horizontally overlapped.
FIG. 5B is a perspective view of the metal roofing materials 1 when they are stacked side by side and viewed from the back surface after the metal roofing materials 1 are overlapped.
A head side notch 16 is provided on the right side of the head side fixing portion 7 when viewed from the head side 5.
The side end of the head side notch portion 16 serves as a working width positioning reference 17, which serves as a positioning reference for horizontal roofing.
The left side end of the head side fixing portion 7 when viewed from the head side 5 is referred to as the head side fixing portion side end 18.
At the time of horizontal roofing, the metal roofing material 1 on the left side is constructed so as to overlap the metal roofing material 1 on the right side.
The working width is positioned by attaching the working width positioning reference 17 of the metal roofing material 1 on the left side to the head-side fixing portion side end 18 of the metal roofing material 1 on the right side.
Since the back surface heat insulating backup material is not provided in the laterally overlapping portion where the head side notch portion 16 is located, the back surface heat insulating backup material 23 of the adjacent metal roofing material 1 does not interfere with the horizontal roofing material.

FIG. 6 is a construction sectional view at the time of adjusting the working length by the gradient in the embodiment.
FIG. 6A is a construction sectional view when the gradient 34 is a 2.5 inch gradient.
In the metal roofing material 1 of the embodiment, the horizontal projection dimension Lh of the working length is 227.5 mm, which is a quarter of 910 mm, which is the design unit dimension P of the building.
The working width dimension W of the metal roofing material 1 is 1820 mm, which is eight times the horizontal projection dimension Lh of the working length of the metal roofing material 1 of 227.5 mm.
When the gradient 34 has a 2.5-inch gradient, the working length dimension L is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5-inch gradient.
When 1.0307, which is the gradient elongation rate of 2.5 inch gradient, is multiplied by 227.5 mm, the working length dimension L becomes 234 mm.
In order to adjust the working length dimension L to 234 mm, the connecting member 4 set to a 2.5 inch gradient is selected.
The working length dimension L of the metal roofing material 1 is changed by changing the dimension of the dimension adjusting portion 11 of the connecting member 4.
The length A of the dimension adjusting portion 11 of the dimension adjusting portion 11 is 33 mm in the case of a 2.5 inch gradient.
By selecting the connecting member 4 having the length A of the dimension adjusting portion of 33 mm, the horizontal projection dimension Lh of the working length of the metal roofing material 1 at the time of a 2.5 inch gradient can be set to 227.5 mm.

FIG. 6B is a construction sectional view when the gradient 34 is a 4.5 inch gradient.
When the gradient 34 has a 4.5-inch gradient, the working length dimension L is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 4.5-inch gradient.
When 1.0966, which is the gradient elongation rate of 4.5 inch gradient, is multiplied by 227.5 mm, the working length dimension L becomes 249 mm.
In order to adjust the working length dimension L to 249 mm, the connecting member 4 set to a 4.5 inch gradient is selected.
The working length dimension L of the metal roofing material 1 is changed by changing the dimension of the dimension adjusting portion 11 of the connecting member 4.
The length A of the dimension adjusting portion 11 of the dimension adjusting portion 11 is 18 mm in the case of a 4.5 inch gradient.
By selecting the connecting member 4 having a length A of the dimension adjusting portion of 18 mm, the horizontal projection dimension Lh of the working length of the metal roofing material 1 at the time of a 4.5 inch gradient can be set to 227.5 mm.

FIG. 7 is a layout drawing of products and connecting members on the triangular roof surface of the hipped roof according to the embodiment of FIG.
The design unit dimension P of the building is 910 mm for the shaku module, and the roof surface dimension of the triangular roof surface of the hipped roof is 3640 mm for the girder direction of the eaves 31 and the horizontal projection dimension of the flow length is 1820 mm. Is.
FIG. 7A is a layout drawing of the metal roofing material 1 on the triangular roof surface and the standardized roofing material 33.
The metal roofing material 1 has a horizontal projection dimension Lh of working length of 227.5 mm, which is a quarter of 910 mm, which is the design unit dimension P of the building.
The working width dimension W of the metal roofing material 1 is 1820 mm, which is eight times the horizontal projection dimension Lh of the working length of the metal roofing material 1 of 227.5 mm.
The standardized shape roofing material 33 has a corner ridge right standardized shape roofing material 33b in the right corner ridge 32, a corner ridge left standardized shape roofing material 33a in the left corner ridge 32, and a three-pronged standardized shape at the apex of the triangular surface. The dimensional adjustment standardized shape roofing material 33d is arranged as the roofing material 33c and the standardized shape roofing material 33 for dimensional adjustment in the girder direction.
The working width dimension of the corner ridge right standardized shape roofing material 33b, the corner ridge left standardized shape roofing material 33a, and the three-pronged standardized shape roofing material 33c is twice the horizontal projection dimension Lh of the working length of the metal roofing material 1. It is set to 455 mm, which corresponds to this.
The dimension adjustment standardized shape roofing material 33d for adjusting the dimensions in the girder direction is arranged as two types having a working width dimension W of 455 mm, which is twice the horizontal projection dimension Lh of the working length, and 910 mm, which is four times the working length.
When climbing step by step from the eaves 31, the metal roofing material 1 is placed in the direction from the right side to the left corner building 32 with respect to the girder direction, and the horizontal projection dimension Lh of the working length of the metal roofing material 1 is 227.5 mm. Place them in a staggered manner.
When the construction is carried out step by step, the dimensions in the girder direction at the tip of the roofing material are shortened by 227.5 mm on the right side and 227.5 mm on the left side, so that the left and right sides are shortened by 455 mm in total.
The first stage is the standardized shape roofing material 33 of the corner ridge 32, one on each side, one metal roofing material 1 with a working width dimension W of 1820 mm, and the dimension adjustment standardized shape roofing material 33d with a working width dimension W of 910 mm. Is arranged.
Since the girder direction dimension is reduced by 455 mm for each step after the second step, the dimension adjustment in the girder direction can be performed by combining the dimension adjustment standardized shape roofing material 33d having a working width dimension W of 455 mm and 910 mm.

In FIGS. 7B, 7C, and 7D, the arrangement of the metal roofing material 1 and the standardized roofing material 33 on the triangular roof surface and the arrangement of the connecting material 4 are the first and second steps from the eaves 31. It is a layout drawing which showed the arrangement in each stage of eyes and 3rd stage.
FIG. 7B shows that the standardized roofing material 33 of the corner ridge 32 is one on each side, the working width dimension W is 1820 mm, the metal roofing material 1 is one, and the working width dimension W is 910 mm in the first stage arrangement. Dimension adjustment standardized shape roofing material 33d is arranged.
The total width dimension WA of the connecting material 4 used in the first stage is 1820 mm, 910 mm, and 330 mm, and is connected from the end of the corner ridge right standardized roofing material 33b to the end of the corner ridge left standardized roofing material 33a. Install material 4.
In FIG. 7C, the standardized roofing material 33 of the corner ridge 32 is arranged on the left and right sides in the second stage arrangement, the working width dimension W is 1820 mm, the metal roofing material 1 is one, and the working width dimension W is 455 mm. Dimension adjustment standardized shape roofing material 33d is arranged.
The total width dimension WA of the connecting material 4 used in the second stage is 1820 mm, 455 mm, and 330 mm, and is connected from the end of the corner ridge right standardized roofing material 33b to the end of the corner ridge left standardized roofing material 33a. Install material 4.
In FIG. 7D, one standardized roofing material 33 of the corner ridge 32 is arranged on each side and one metal roofing material 1 having a working width dimension W of 1820 mm is arranged in the third stage arrangement.
The total width dimension WA of the connecting material 4 used in the third stage is 1820 mm and 330 mm, and the connecting material 4 is from the end of the corner ridge right standardized roofing material 33b to the end of the corner ridge left standardized roofing material 33a. To construct.
In this embodiment, the total width dimension WA of the connecting member 4 can be constructed by combining four types of 1820 mm, 910 mm, 455 mm, and 330 mm without performing processing such as length adjustment at each stage.
As the types of the overall width dimension WA of the connecting member 4 of this embodiment, the metal roofing material 1 is arranged in the corner ridge 32 with three types of dimensions of 8 times, 4 times, and 2 times the horizontal projection dimension Lh of the working length. There are a total of four types of settings, one type of standardized dimensions that matches the standardized shape roofing material 33 for the corner ridge.
Regarding the dimensions according to the standardized shape roofing material 33 for the corner ridge, 330 mm, which is obtained by subtracting 125 mm from 455 mm, can be set as the standardized dimension in consideration of the gap dimension with the corner ridge end and the vertical overlap dimension. You can.
Used for the roof edge by considering the gap dimension with the roof edge and the vertically overlapping dimension set for each standardized shape roof material 33 of the roof edge like the standardized shape roof material 33 for the corner ridge. The overall width dimension WA of the connecting member 4 can be standardized.

FIG. 8 is a perspective view of the standardized shape roofing material 33 according to the embodiment of FIG.
FIG. 8A is a corner ridge left standardized shape roofing material 33a arranged in the corner ridge 32 on the left side when viewed from the eaves 31.
Since the roofing material on the right side is covered with the horizontally overlapping portion from above, it has a head side notch portion 16.
The working width dimension W is 455 mm, which is twice the horizontal projection dimension Lh of the working length of the metal roofing material 1, and the total width dimension WA is also the same as the working width dimension W.
FIG. 8B is a corner ridge right standardized shape roofing material 33b arranged in the corner ridge 32 on the right side when viewed from the eaves 31.
Since it overlaps the roofing material on the left side at the horizontal overlapping portion, the total width dimension WA is longer than the working width dimension W by the horizontal overlapping dimension of 14 minutes.
The working width dimension W is 455 mm, which is twice the horizontal projection dimension Lh of the working length of the metal roofing material 1, and the total width dimension WA is 535 mm because it is 80 mm longer than the horizontal overlapping dimension 14.
FIG. 8C is a three-pronged standardized roofing material 33c arranged at the three-pronged portion 28 at the top of the hipped roof triangular roof surface.
The working width dimension W is 455 mm, which is twice the horizontal projection dimension Lh of the working length of the metal roofing material 1, and the total width dimension WA is also the same as the working width dimension W.
FIG. 8D is a dimensional adjustment standardized shape roofing material 33d arranged at the time of dimensional adjustment in the girder direction.
In the embodiment of FIG. 7A, the dimension adjustment standardized shape roofing material 33d that adjusts the dimensions in the girder direction has a working width dimension W of 455 mm, which is twice the horizontal projection dimension Lh of the working length, and 910 mm, which is four times. Although the two types are shown, the perspective view of FIG. 8D shows only the product having a working width dimension W of 455 mm.
Since the roofing material on the right side is covered from above by the horizontal overlapping part, it has a notch portion 16 on the head side, and the roofing material on the left side is overlapped on the roofing material on the left side by the horizontal overlapping part, so that the total width dimension WA is 14 minutes. It is longer than the working width dimension W.
The working width dimension W of the illustrated product is 455 mm, and the total width dimension WA is 535 mm, which is 80 mm longer than the horizontal overlapping dimension 14.

FIG. 9 is a product drawing according to another embodiment and a construction sectional view at the time of adjusting the working length according to the gradient.
The product design module in the product is a scale module, and the design unit dimension P of the building is also a scale module, and 1P = 910 mm.
FIG. 9A is a product drawing of the modular metal roofing material, which is a three-view view composed of a plan view, a front view, and a right side view by a projection method.
FIG. 9B is a cross-sectional view of construction when the embodiment of FIG. 9A is constructed on a roof having a 2.5-inch gradient.
FIG. 9 (c) is a cross-sectional view of construction when the embodiment of FIG. 9 (a) is constructed on a roof having a 4.5 inch slope.

The product of FIG. 9A is a horizontal-roofed metal roofing material 1 that is step-roofed on a roof 2 having a slope 34 of a building, and is a drawing in a state where the main body 3 and the connecting material 4 are assembled.
The horizontal projection dimension Lh of the working length of the metal roofing material 1 is one-third of the design unit dimension P of the building, 910 mm, and is 303.3 mm.
The product of FIG. 9A has a dimension in which the gradient 34 is set by two types of gradients 34 of 2.5 inch gradient and 4.5 inch gradient.
The working length dimension L of the 2.5-inch gradient is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation of the 2.5-inch gradient, and the working length dimension L of the 4.5-inch gradient is the working length. It is a dimension obtained by multiplying the horizontal projection dimension Lh of the length by the gradient elongation rate of a 4.5 inch gradient.
When 1.0307, which is a gradient elongation rate of 2.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 312 mm.
When 1.0966, which is the gradient elongation rate of 4.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 332 mm.
The working width dimension W of the metal roofing material 1 is 1214 mm, which is four times the horizontal projection dimension Lh of 303.3 mm of the working length of the metal roofing material 1.
The metal roofing material 1 is composed of a main body 3 and a connecting member 4, and the main body 3 is provided with a head-side fixing portion 7, and the main body 3 is provided with a tail-side fixing portion 8.
Further, a connecting member 4 is provided on the main body 3, and the connecting member 4 is provided at a position where the main body working length positioning reference 10 and the connecting member working length positioning reference 12 are aligned.
The length A of the dimension adjusting portion of the connecting member 4 is 20 mm, and the vertically overlapping dimension 15 other than the length A of the dimension adjusting portion is 50 mm.
The total length LA of the metal roofing material 1 is 382 mm, the vertical overlapping dimension 15 having a roof gradient of 2.5 inch gradient is 70 mm, and the vertical overlapping dimension 15 having a roof gradient of 4.5 inch gradient is 50 mm.
The total width WA of the metal roofing material 1 is 1274 mm, and the lateral overlapping dimension 14 is 60 mm.
The total width WA of the connecting member 4 is 1214 mm, which is the same dimension as the working width W of the metal roofing material 1.
Since the connecting member 4 is provided at a position where the right end of the main body 3 and the right end of the connecting member 4 are aligned in the plan view, there is a laterally overlapping dimension of 60 mm between the left end of the main body 3 and the left end of the connecting member 4.
The buttock side 6 of the main body 3 rises vertically from the upper surface in a shape similar to the shape of the head side fixing portion 7, forming the buttock side water return 13.
The buttock side water return 13 is provided on the buttock side 6 of the main body 3 continuously from the right end to the left end when viewed from the head side 5 at a constant height.
In the main body working length positioning reference 10, the rising surface of the tail side water return 13 serves as a positioning reference surface.

9 (b) is a construction cross-sectional view when the embodiment of FIG. 9 (a) is constructed on a roof having a gradient 34 of 2.5 inches.
When the gradient 34 has a 2.5-inch gradient, the working length dimension L is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5-inch gradient.
When 1.0307, which is a gradient elongation rate of 2.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 312 mm.
In order to adjust the working length dimension L to 312 mm, a connecting member 4 having a length A of the dimension adjusting portion for a 2.5 inch gradient of 20 mm is used.
The working length dimension L of the metal roofing material 1 is changed by changing the dimension of the dimension adjusting portion 11 of the connecting member 4.
The cross-sectional shape of the connecting member 4 of the embodiment is a quadrangle, and it is between the main body working length positioning reference 10 provided on the tail side fixing portion 8 on the lower stage and the head side fixing portion 7 on the upper stage at the time of stepping. The connecting member 4 is sandwiched, and the head-side fixing portion 7, the connecting member 4, and the tail-side fixing portion 8 are skewered and fixed by the binding member 20 from the front surface of the head-side fixing portion 7. Become.
By sandwiching the quadrangular prism-shaped connecting member 4, the thickness dimension of the connecting member 4 becomes the length A of the dimension adjusting portion, and the working length dimension L can be lengthened by the length A of the dimension adjusting portion.
The length A of the dimension adjustment part, which is the thickness of the quadrangular prism for each gradient, can be set for each type of gradient, or by sandwiching the two connecting members 4 as in the embodiment, the thickness of the quadrangular prism can be combined. It is also possible to set the dimension of the length A of the adjusting portion and adjust the working length dimension L.
In the embodiment, the thickness dimension of one quadrangular prism is 10 mm, and the total thickness of the two is 20 mm.
For example, in the case of a 4-inch gradient, the thickness of the quadrangular prism is set to 6 mm, and in the case of a 3-dimensional gradient, the thickness of the quadrangular prism is set to 16 mm.
In the case of a 3 inch gradient, the type of thickness of the connecting member 4 can be reduced by combining a 6 mm thick square pillar and a 10 mm thick square pillar.
The material of the connecting material 4 is preferably a material having a property such as a foaming material of synthetic resin such as polystyrene or polypropylene, wood, etc., which can secure a firm thickness, is easily cut by a carpenter's tool such as a saw, and is easily penetrated by the binding material 20. ..

FIG. 9C is a construction sectional view when the gradient 34 is a 4.5 inch gradient.
When the gradient 34 has a 4.5-inch gradient, the working length dimension L is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 4.5-inch gradient.
When 1.0966, which is the gradient elongation rate of 4.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 332 mm.
In order to adjust the working length dimension L to 332 mm, it is selected not to insert the connecting member 4.
If it is intentionally described, the length A of the dimension adjusting section of the dimension adjusting section 11 is 0 mm in the case of a 4.5 inch gradient.
The head-side fixing portion 7 and the main body working length positioning reference 10 are brought into contact with each other, and the head-side fixing portion 7 is fixed to the tail-side fixing portion 8 by the binding material 20 from the front surface.

FIG. 10 is a perspective view of working length positioning at the time of construction according to the embodiment of FIG.
FIG. 10A is a perspective view of working length positioning when the metal roofing material 1 is stepped.
The work is carried out by shifting the working length dimension L in the flow direction and the horizontal projection dimension Lh of the working length in the girder direction.
The embodiment is a construction drawing when the gradient 34 is a 2.5 inch gradient, and the working length dimension L is 312 mm.
When the gradient is 2.5 inch, the horizontal projection dimension Lh of the working length is 303.3 mm, which is one-third of the design unit dimension P of the building.
The buttock side 6 of the main body 3 rises vertically from the upper surface in a shape similar to the shape of the head side fixing portion 7, forming the buttock side water return 13.
The buttock side water return 13 is provided on the buttock side 6 of the main body 3 continuously from the right end to the left end when viewed from the head side 5 at a constant height.
In the main body working length positioning reference 10, the rising surface of the tail side water return 13 serves as a positioning reference surface.
FIG. 10B is a perspective view of a cross-sectional portion taken along the line AA shown in FIG. 10A.
The shape of the connecting member 4 is a square pillar, and the connecting member 4 is provided between the main body working length positioning reference 10 provided on the tail side fixing portion 8 on the lower stage and the head side fixing portion 7 on the upper stage at the time of stepping. Is sandwiched, and the thickness dimension of the connecting member 4 becomes the length A of the dimension adjusting portion, and the working length dimension L can be lengthened by the length A of the dimension adjusting portion.
The length A of the dimension adjustment part, which is the thickness of the quadrangular prism for each gradient, can be set for each type of gradient 34, or by sandwiching the two connecting members 4 as shown in the figure, the thickness of the quadrangular prism can be combined. It is also possible to set the dimension of the length A of the adjusting portion and adjust the working length dimension L.
Positioning is performed by contacting the contact surface of the connecting member 4 with the main body working length positioning reference 10 of the main body 3 as the connecting member working length positioning reference 12.

FIG. 11 is a product drawing and a construction sectional view according to another embodiment.
The product design module in the product is a scale module, and the design unit dimension P of the building is also a scale module, and 1P = 910 mm.
FIG. 11A is a product drawing of the module metal roofing material, which is a three-view view composed of a plan view, a front view, and a right side view by a projection method.
FIG. 11B is a cross-sectional view of construction when the embodiment of FIG. 11A is constructed on a roof having a 2.5-inch gradient.

The product of FIG. 11A is a horizontal-roofed metal roofing material 1 that is step-roofed on a roof 2 having a slope 34 of a building, and is a drawing in a state where the main body 3 and the connecting material 4 are assembled.
The horizontal projection dimension Lh of the working length of the metal roofing material 1 is one-third of the design unit dimension P of the building, 910 mm, and is 303.3 mm.
The product of FIG. 11A has a gradient 34 set with a 2.5-inch gradient.
The working length dimension L of the 2.5 inch gradient is a dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5 inch gradient.
When 1.0307, which is a gradient elongation rate of 2.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 312 mm.
The working width dimension W of the metal roofing material 1 is 1214 mm, which is four times the horizontal projection dimension Lh of 303.3 mm of the working length of the metal roofing material 1.
The metal roofing material 1 is composed of a main body 3 and a connecting member 4, and the main body 3 is provided with a head-side fixing portion 7, and the main body 3 is provided with a tail-side fixing portion 8.
Further, a connecting member 4 is provided on the main body 3, and the connecting member 4 is provided at a position where the main body working length positioning reference 10 and the tail-side rising portion of the connecting member 4 are aligned.
The total length LA of the metal roofing material 1 is 382 mm, and the vertical overlapping dimension 15 having a roof slope of 2.5 inches is 70 mm.
The total width WA of the metal roofing material 1 is 1274 mm, and the lateral overlapping dimension 14 is 60 mm.
The total width WA of the connecting member 4 is 1214 mm, which is the same dimension as the working width W of the metal roofing material 1.
Since the connecting member 4 is provided at a position where the right end of the main body 3 and the right end of the connecting member 4 are aligned in the plan view, there is a laterally overlapping dimension of 60 mm between the left end of the main body 3 and the left end of the connecting member 4.
The buttock side 6 of the main body 3 rises vertically from the upper surface in a shape similar to the shape of the head side fixing portion 7, forming the buttock side water return 13.
The buttock side water return 13 is provided on the buttock side 6 of the main body 3 continuously from the right end to the left end when viewed from the head side 5 at a constant height.
In the main body working length positioning reference 10, the rising surface of the tail side water return 13 serves as a positioning reference surface.

FIG. 11B is a cross-sectional view of construction when the embodiment of FIG. 11A is constructed on a roof having a gradient 34 of 2.5 inches.
When the gradient 34 has a 2.5-inch gradient, the working length dimension L is the dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5-inch gradient.
When 1.0307, which is a gradient elongation rate of 2.5 inch gradient, is multiplied by 303.3 mm, the working length dimension L becomes 312 mm.
In order to adjust the working length dimension L to 312 mm, a connecting member 4 having a length A of a dimension adjusting portion for a 2.5 inch gradient is used.
The working length dimension L of the metal roofing material 1 is changed by changing the dimension of the dimension adjusting portion 11 of the connecting member 4.
The shape of the connecting member 4 of the embodiment is such that the head side 5 and the butt side 6 of the dimensional adjustment portion 11 are provided with a rising connecting portion 21 having a rising shape similar to the shape of the head side fixing portion 7, and the butt side 5 is provided on the butt side. Reference numeral 6 denotes a tail-side rising portion that approximates the shape of the tail-side water return 13.
The butt-side rising portion is a positioning surface that abuts on the main body working length positioning reference 10, and a connecting material that approximates the shape of the butt-side water return 13 having the butt-side fixing portion 8 of the main body 3 from the upper end of the butt-side rising portion. A fixing portion 19 is provided.
The dimension adjusting portion 11, the connecting portion 21, and the tail-side rising portion of the connecting member 4 are the main body working length positioning reference 10 and the head-side fixing portion of the upper stage provided in the lower tail-side fixing portion 8 at the time of stepping. The working length of the metal roofing material 1 is adjusted by being sandwiched between the two.
The total dimension of the thickness dimension of the dimension adjusting portion 11 and the connecting portion 21 and the thickness dimension of the tail side rising portion becomes the length A of the dimension adjusting portion of the connecting member 4, and by setting the dimension adjusting portion 11 for each gradient 34. The working length dimension L for each gradient 34 is set.
The head-side fixing portion 7 is fixed to the connecting portion 21 of the connecting member 4 with a binding member 20 from the front surface of the head-side fixing portion 7.
By co-striking the connecting member 4 and the main body 3 against the roof base 24 with the binding member 20 from the connecting member fixing portion 19 of the connecting member 4, the connecting member fixing portion 19 and the tail side fixing portion 8 become the same.
From the front of the head-side fixing portion 7, the connecting member 20 is fixed to the connecting portion 21 of the connecting member 4, and the connecting member 4 is fixed to the connecting member 20 by a binding member 20 different from the binding member 20 from the connecting member fixing portion 19 to the roof base 24. At the same time as fixing to, the main body 3 can be fixed by the tail side fixing portion 8.
The material of the connecting material 4 is preferably a thin steel plate having a base material thickness dimension of about 0.35 mm to 0.6 mm, which is the same as that of the main body 3 and is a 55% aluminum-zinc alloy plated steel plate.

FIG. 12 is a product drawing of a modular metal roofing material according to an embodiment.
The product design module in the product of FIG. 12 is a scale module, and the design unit dimension P of the building is also a scale module, and 1P = 910 mm.
FIG. 12A is a product drawing of the module metal roofing material and is a six-view drawing by the projection method.
FIG. 12 (b) is a three-view view in which FIG. 12 (a) is enlarged and the width direction is omitted by an omitted line.
FIG. 12 (c) is a construction cross-sectional view showing the construction state of the upper and lower stages by further enlarging FIG. 12 (b).

The product of FIG. 12A is a horizontal-roofed metal roofing material 1 that is step-roofed on a roof 2 having a slope 34 of a building, and is a drawing in a state where the main body 3 and the connecting material 4 are assembled.
The horizontal projection dimension Lh of the working length of the metal roofing material 1 is a quarter of the design unit dimension P of the building, 910 mm, and is 227.5 mm.
The product of FIG. 12 has a gradient 34 set with a 2.5-inch gradient, and the working length dimension L is a dimension obtained by multiplying the horizontal projection dimension Lh of the working length by the gradient elongation rate of the 2.5-inch gradient. is there.
When 1.0307, which is the gradient elongation rate of 2.5 inch gradient, is multiplied by 227.5 mm, the working length dimension L becomes 234 mm.
The working width dimension W of the metal roofing material 1 is 1820 mm, which is eight times the horizontal projection dimension Lh of the working length of the metal roofing material 1 of 227.5 mm.
The metal roofing material 1 is composed of a main body 3 and a connecting member 4, and has a configuration in which a head side fixing portion 7 is provided on the head side 5 of the main body 3 and a tail side fixing portion 8 is provided on the tail side 6 of the main body 3. ..
Further, a connecting member 4 is provided on the tail side 6 of the main body 3, and the connecting member 4 is provided at a position where the main body working length positioning reference 10 and the connecting material working length positioning reference 12 provided on the tail side are combined. It has become.
The total length LA of the metal roofing material 1 is 285 mm, and the vertically overlapping dimension 15 is 51 mm.
The total width WA of the metal roofing material 1 is 1900 mm, and the lateral overlapping dimension 14 is 80 mm.
The total width WA of the connecting member 4 is 1820 mm, which is the same dimension as the working width W of the metal roofing material 1.
Since the connecting member 4 is provided at a position where the right end of the main body 3 and the right end of the connecting member 4 are aligned in the plan view, 80 mm having a laterally overlapping dimension of 14 exists between the left end of the main body 3 and the left end of the connecting member 4.
In the front view, the head side notch portion 16 having the same size as 80 mm, which is the size 14 of the right end lower end portion of the head side fixing portion 7, is present.
The tail side 6 of the metal roofing material 1 is provided with a tail side water return 13 having a constant height continuously from one side end of the main body 3 to the other side end.
In the embodiment, the buttock-side water return 13 that is raised at the buttock-side end of the main body 3 at an angle to the head side is continuously provided at a constant height from the right end to the left end when viewed from the head side 5.
A back surface heat insulating backup material 23 is provided on the back surface of the product.
The back surface insulation backup material has a total width WA of 1820 mm, and is provided at the position where the left end of the main body 3 and the left end of the back surface insulation backup material 23 are aligned in the plan view. Since the materials 1 overlap, the back surface heat insulating backup material 23 does not exist.

12 (b) is a three-view view obtained by enlarging FIG. 12 (a) and omitting the width direction with omitted lines, and is a front view, a plan view, and a right side view of the product.
A head side notch 16 is provided on the right side in the front view.
The side end of the notch on the head side is set as a working width positioning reference 17 as a positioning reference for horizontal roofing.
The side end of the head-side fixing portion in the direction opposite to the head-side notch portion 16 is the head-side fixing portion side end 18, and the head-side fixing portion side end 18 that is laid sideways when side-roofing is the working width. Positioning is performed by hitting against the positioning reference 17.
In the right side view, the back surface heat insulating backup material 23 provided on the back surface of the main body increases in thickness from the tail side 6 to the head side 5, and the angle of increasing the thickness is when the metal roofing material 1 is installed on the roof. The angle is almost the same as the return slope of the metal roofing material 1 of the above, and the space between the metal roofing material 1 and the roof base 24 can be filled with the backside heat insulating backup material 23 at the time of construction. It is hard to deform even if a load is applied.
Since the head finding dimension is 10 mm and the working length dimension L is 234 mm, the return gradient of the embodiment is calculated by 10 mm ÷ 234 mm and is 0.043.
Therefore, in the metal roofing material 1 of the embodiment, the return gradient is 4 minutes and 3 square meters.

FIG. 12 (c) is a construction cross-sectional view showing the construction state of the upper and lower stages by further enlarging FIG. 12 (b), and the lower head side fixing portion 7 and the upper stage tail side fixing portion 8 at the time of step roofing. It shows the construction situation of connecting with the connecting material 4.
The connecting member 4 provided on the buttock side 6 of the main body 3 has a configuration in which the main body working length positioning reference 10 provided on the buttock side and the connecting member working length positioning reference 12 are provided at a combined position.
Specifically, the main body working length positioning reference 10 is the upper end portion of the tail side water return 13 that is inclined to the head side at the tail side end portion of the main body 3, and the connecting material working length positioning reference 12 is It is a back surface portion of the connecting material that rises in the vertical direction from the tail side end portion of the dimension adjusting portion 11 of the connecting material 4.
The connecting member 4 is positioned by abutting the connecting member working length positioning reference 12 and the tail side water return 13 which is the main body working length positioning reference 10.
The head side 5 of the connecting member 4 has a Z-shaped cross-sectional shape, and is lifted in parallel from the dimension adjusting portion 11 and the dimension adjusting portion 11 that come into contact with the upper surface 9 of the bottom side 6 of the main body 3 in parallel, and the lower head side during construction. There is a connecting portion 21 that holds down the fixing portion 7.
The tail side 6 of the connecting material 4 has a connecting material working length positioning reference 12 rising vertically from the tail side end of the dimension adjusting portion 11, a connecting material fixing portion 19 for fixing to the roof base 24, and a connecting material working. There is a relay portion that connects the length positioning reference 12 and the connecting member fixing portion 19.
The relay portion of the connecting member 4 is inclined at the same angle as the tail side water return 13 provided on the tail side of the main body 3. With this configuration, when the main body 3 and the connecting member 4 are assembled, the main body 3 can be positioned on either the head side or the buttock side by a padding, and there is an effect that the positional deviation does not occur when the main body 3 is positioned.
At the time of stepping, the connecting material fixing portion 19 is provided on the water upper side from the tail side end portion of the main body 3, and the connecting material fixing portion 19 and the roof base 24 are directly fastened and fixed by the binding material 20.
The butt-side fixing portion 8 provided on the butt-side 6 of the main body 3 is fixed by the butt-side fixing force 20 of the connecting member 4 to the roof base 24 without making a hole with the binding member 20. Therefore, even if rainwater infiltrates into the vertically overlapping portion of the main body 3, rainwater does not infiltrate from the surface of the roofing material, and excellent waterproof performance can be exhibited.
By fixing the connecting member 4 to the roof base 24, the tail side fixing portion 8 provided on the upper surface 9 of the tail side 6 of the lower body 3 is fixed by the dimension adjusting portion 11 of the connecting material 4, and the upper body is fixed. The head-side fixing portion 7 of 3 is fixed by the connecting portion 21 of the connecting material, and the lower and upper main bodies 3 are connected by the connecting material 4 and fixed to the roof base 24.
The dimension adjusting portion 11 has a function of varying the working length dimension L of the metal roofing material 1, and makes the lower head-side fixing portion 7 and the upper connecting member 4 abutting each other at the time of stepping. Determines the working length dimension L of the metal roofing material 1.
The dimension adjusting unit 11 sets the length A of the dimension adjusting unit for each gradient 34.
The working length dimension L of the metal roofing material 1 can be adjusted by selecting the connecting member 4 having the length A of the dimension adjusting portion for each gradient for each gradient 34.
The end of the head-side fixing portion 7 is provided with a head-side fixing portion folding back 22 provided with a folding back.
By providing the head-side fixed portion folded-back 22, the lower surface of the connecting portion 21 presses the head-side fixed portion folded-back 22 between the R surfaces, so that the head-side fixed portion is firmly fixed by pressing with the surface even when a blowing load such as a typhoon is applied. The part 7 can be fixed, and excellent disaster prevention performance can be exhibited.
The main body 3 of the embodiment is preferably a thin steel plate having a base material thickness of about 0.35 mm to 0.6 mm, which is a coated and melted 55% aluminum-zinc alloy plated steel plate whose surface is coated.
The material of the connecting material 4 of the embodiment is aluminum and is an extruded product having a thickness of 1.5 mm, but a thin plate of the same paint-melted 55% aluminum-zinc alloy plated steel plate as the main body 3 may be used.
When using a thin steel plate, it is necessary to take measures to increase the wind resistance, such as increasing the thickness of the base material or manufacturing it by double folding.

FIG. 13 is a perspective view of the product according to the embodiment of FIG.
FIG. 13A is a perspective view of a product in which the main body 3 and the connecting member 4 are assembled, as viewed from the tail side 6 of the upper surface 9.
The connecting member 4 is provided with a connecting member fixing portion 19 which has been subjected to a hole for fastening with the binding member 20.
By providing the connecting material fixing portion 19 in advance on the connecting material 4, the fastening pitch, the number of fastenings, and the like can be reliably performed at the site.
In the state where the main body 3 and the connecting member 4 are assembled, the connecting member fixing portion 19 is provided on the water upper side of the tail side end portion of the main body 3.
Therefore, when the metal roofing material 1 is fixed to the roof base 24 with the binding material 20, the butt-side fixing portion 8 provided on the butt-side 6 of the main body 3 is passed through the connecting material 4 without making a hole in the binding material 20. It is fixed to the roof base 24 by the fixing force of the binding material 20. Therefore, even if rainwater infiltrates the bottom side 6 of the main body 3, rainwater does not infiltrate from the surface of the roofing material, and excellent waterproof performance can be exhibited.
FIG. 13B is a perspective view of a product in which the main body 3 and the connecting member 4 are assembled, as viewed from the head side 5 of the upper surface 9.
A head side notch 16 is provided on the right side when viewed from the head side 5.
The side end of the notch on the head side is set as a working width positioning reference 17 as a positioning reference for horizontal roofing.
When side-roofing, the head-side notch portion 16 is provided for 14 minutes in the laterally overlapping portion so that the adjacent head-side fixing portions 7 do not interfere with each other in the laterally overlapping portion.
FIG. 13C is an enlarged perspective view of a tail portion 6 in which the main body 3 and the connecting member 4 are assembled.
The connecting member 4 is provided with a connecting member fixing portion 19 which has been subjected to a hole for fastening with the binding member 20.
The tail side 6 of the connecting material 4 has a connecting material working length positioning reference 12 rising vertically from the tail side end of the dimension adjusting portion 11, a connecting material fixing portion 19 for fixing to the roof base 24, and a connecting material working. There is a relay portion that connects the length positioning reference 12 and the connecting member fixing portion 19.
The relay portion of the connecting member 4 is inclined at the same angle as the tail side water return 13 provided on the tail side of the main body 3. With this configuration, when the main body 3 and the connecting member 4 are assembled, the main body 3 can be positioned on either the head side or the buttock side by a padding, and there is an effect that the positional deviation does not occur when the main body 3 is positioned.
In the state where the main body 3 and the connecting member 4 are assembled, the connecting member fixing portion 19 is provided on the water upper side of the tail side end portion of the main body 3.
The butt-side fixing portion 8 provided on the butt-side 6 of the main body 3 is fixed to the roof base 24 via the connecting member 4 by the fixing force of the binding member 20 without making a hole with the binding member 20. Therefore, even if rainwater infiltrates the bottom side 6 of the main body 3, rainwater does not infiltrate from the surface of the roofing material, and excellent waterproof performance can be exhibited.
The connecting member 4 is fixed to the roof base 24, so that the butt-side fixing portion 8 provided on the upper surface 9 of the butt-side 6 of the lower main body 3 is fixed by the dimensional adjusting portion 11 of the connecting member 4, and the upper main body 4 is fixed. The head-side fixing portion 7 of 3 is fixed by the connecting portion 21 of the connecting material, and the lower and upper main bodies 3 are connected by the connecting material 4 and fixed to the roof base 24.
The butt-side water return 13 that raises the butt-side end of the main body 3 is used as a waterproof function as a water return and also as a positioning function as a positioning reference 10 for the working length of the main body.
By hitting the rising part of the tail side water return 13 as the positioning reference 10 for the working length of the main body and the working length positioning reference 12 for the connecting material, positioning can be easily performed without measuring at the construction site. You can.
By setting the length of the dimension adjusting portion 11 for each gradient 34 of the connecting member 4, one type of main body 3 can have a working length dimension L suitable for a plurality of gradients.

FIG. 14 is an adjustment dimension table for each horizontal projection dimension of the working length according to the embodiment.
The design module in the dimension adjustment table of the embodiment is a scale module, and the design unit dimension P of the building is also a scale module, and 1P = 910 mm.
FIG. 14A is an adjustment dimension table for each gradient 34 when the horizontal projection dimension Lh of the working length of the metal roofing material 1 is 227.5 mm for a quarter module.
The gradient 34 is from a 2 inch gradient to a 4.5 inch gradient, and the working length dimension L is described for every 0.5 inch gradient.
In the gradient range from 2 inch gradient to 4.5 inch gradient, 4.5 inch gradient has the longest working length dimension L, so the horizontal projection dimension Lh of working length is constant with respect to 4.5 inch gradient. The adjustment dimension of the working length dimension L for each gradient 34 for becoming is described.
The vertical overlap dimension 15 is calculated by inputting an arbitrary total length dimension LA.
FIG. 14B is an adjustment dimension table for each gradient 34 when the horizontal projection dimension Lh of the working length of the metal roofing material 1 is 303.3 mm of the one-third module.
The gradient 34 is from a 2 inch gradient to a 4.5 inch gradient, and the working length dimension L is described for every 0.5 inch gradient.
In the gradient range from 2 inch gradient to 4.5 inch gradient, 4.5 inch gradient has the longest working length dimension L, so the horizontal projection dimension Lh of working length is constant with respect to 4.5 inch gradient. The adjustment dimension of the working length dimension L for each gradient 34 for becoming is described.
The vertical overlap dimension 15 is calculated by inputting an arbitrary total length dimension LA.

FIG. 15 is a product layout drawing and a product drawing on the roof plan according to the embodiment.
FIG. 15A is a roof-down view of the roof of a building having a slope 34, which is a horizontally projected drawing.
15 (b) is a plan view and a right side view of a product drawing of the metal roofing material 1 arranged in FIG. 13 (a).
FIG. 15 (c) is an enlarged view of FIG. 13 (b), which is a plan view in which the width direction is omitted by an omitted line.
The roof 2 is a product layout diagram in a hipped gable mixed roof in which a hipped roof having a corner ridge 26 and a valley 30 and a gable roof having a keraba 27 are mixed.
The design unit dimension P of the building is a shaku module, and the design unit dimension P is 910 mm.
The horizontal projection dimension Lh of the working length of the metal roofing material 1 of the embodiment is 455 mm, which is half of the design unit dimension P of the building, and the working width dimension W is four times the horizontal projection dimension Lh of the working length. It is 1820 mm, which corresponds to this, and when the metal roofing material 1 is laid, the shape and arrangement of the roofing material at the roof edge is ruled by arranging the metal roofing material 1 with a shift of 455 mm for the horizontal projection dimension Lh of the working length for each step. Be made.
A roof with a pattern of the shape and arrangement of the standardized roof material 33 to be arranged at the roof surface edges such as the land ridge 25, the corner ridge 26, the keraba 27, the three-pronged 28, the land ridge bend 29, and the valley 30. It is 2.
The standardized shape roofing material 33 is a corner ridge left standardized roofing material 33a arranged in the corner ridge 26 on the left side when viewed from the eaves 31, and a corner ridge right standard arranged in the right corner ridge 26 when viewed from the eaves 31. Shaped roofing material 33b, three-pronged standardized shape roofing material 33c placed on the three-pronged part 28 at the top of the hipped roof triangular roof surface, dimensional adjustment standardized shape roofing material 33d placed when adjusting the dimensions in the girder direction, etc. is there.
The standardized shape roofing material 33 arranged at the roof edge has a working width dimension W which is an integral multiple of the horizontal projection dimension Lh of the working length of the metal roofing material 1 and is associated with the design unit dimension P of the building. ..
The metal roofing material 1 is composed of a main body 3 and a connecting material 4, and the cross-sectional shape of the connecting material 4 is Z-shaped.

In the present invention, the design unit dimension P of the building is a shaku module in the embodiment, but the design unit dimension P of the building can be used in either a meter module or an inch module.

1 Metal roofing material 2 Roof 3 Main body 4 Connecting material 5 Head side 6 Bottom side 7 Head side fixing part 8 Bottom side fixing part 9 Top surface 10 Main body working length positioning standard 11 Dimension adjustment part 12 Connecting material working length positioning standard 13 Bottom Side water return 14 Horizontal overlap size 15 Vertical overlap size 16 Head side notch 17 Working width positioning standard 18 Head side fixing part Side end 19 Connecting material fixing part 20 Tying material 21 Connecting part 22 Head side fixing part folding 23 Back side insulation backup Material 24 Roof base 25 Land ridge 26 Corner ridge 27 Keraba part 28 Three-pronged part 29 Land ridge bend 30 Tani part 31 Eaves 32 Corner ridge 33 Standardized shape Roofing material 33a Corner ridge left Standardized shape Roofing material 33b Corner ridge right standard Shaped roofing material 33c Three-pronged standardized shape Roofing material 33d Dimension adjustment Standardized shape Roofing material 34 Gradient A Length of dimension adjustment part Lh Horizontal projection dimension of working length L Working length dimension LA Total length dimension W Working width dimension WA Overall width dimension P Design unit dimension

Claims (4)

In a horizontal roofing metal roofing material that is roofed on a sloped roof of a building, the horizontal projection dimension of the working length of the metal roofing material is an integral fraction of the design unit dimension of the building, and the metal roofing material. The working width dimension of the metal roofing material is an integral multiple of twice or more the horizontal projection dimension of the working length of the metal roofing material, and the metal roofing material is composed of a main body and a connecting material and is fixed to the head side of the main body. A portion is provided, and a tail-side fixing portion is provided on the tail side of the main body, and the connecting material is a connecting material working length positioning reference provided on the connecting material based on the main body working length positioning reference provided on the tail side of the main body. At the time of step roofing, the head-side fixing portion of the main body located in the upper stage is attached to the connecting material located in the lower stage, and the connecting material is used to hold the head-side fixing portion of the main body located in the lower stage. The tail-side fixing portion and the head-side fixing portion of the main body located in the upper stage are connected, and the connecting material fixing portion and the tail-side fixing portion are fixed to the roof base with a binding material to be integrated, and the connecting material is integrated. The connecting member having a dimension adjusting portion and having a different length of the dimension adjusting portion in which the length of the dimension adjusting portion is set for each gradient in order to change the working length of the metal roofing material for each gradient. A modular metal roofing material, characterized in that the horizontal projection dimension of the working length of the metal roofing material is set to an integral fraction of the design unit dimension of the building. The module metal roofing material according to claim 1, wherein the connecting member is positioned by applying the connecting member working length positioning reference to the main body working length positioning reference. The first or second aspect of the metal roofing material, wherein a tail-side water return having a constant height is continuously provided from one side end of the main body to the other side end of the metal roofing material. Module metal roofing material. One of the head-side fixing portions is provided with a head-side notch having the same size as the laterally overlapping dimension, and the head-side notch side end is used as a working width positioning reference, and the head that is laid sideways when roofing sideways. The module metal roofing material according to any one of claims 1 to 3, wherein positioning is performed by aligning the side end of the side fixing portion with the working width positioning reference.

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