JP2000170329A - Sheathing roof board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheathing roof board difficult to crack a roof material even when the roof material executing roofing is trod by providing a support projection part for supporting the roof material on a part corresponding to a space formed between the roof material and the main face of the sheathing roof board. SOLUTION: A support projection part 12 for supporting a roof material is formed on a sheathing roof board 1, and projection-like marks 15, 16 capable of positioning the roof material are provided. During execution, the rear end angular part of the root end part of the roof material is matched to the mark 15 of the sheathing roof board 1, the positioning of the roof material can be easily performed by matching the rear end angular part of the main part of the roof material to the mark 16 of the sheathing roof board 1, and the roof material can be roofed so that a space formed between the roof material and the main face 11 of the sheathing roof board 1 is in the position of the support projection part 12 of the sheathing roof board 1. Thereby since the roof material is supported by the support projection part 12 of the sheathing board 1, and cracking of the roof material is prevented even when a worker or the like treads on the roof material during the roofing execution of the roof material, during the repair of a roof or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a field board for roofing roof materials.

[0002]

2. Description of the Related Art Conventionally, when a roof material is laid on a roof, as shown in FIG.
After the first row of roofing material 2A has been constructed thereon, the first half of the second row of roofing material 2B (eave side) is overlaid on the second half of the first row of roofing material 2A (ridge side). The third and subsequent rows are successively constructed. At this time, a space S exists between the roofing material 2 and the base plate 1P.

[0003]

However, if the space S exists between the roofing material 2 and the ground board 1P as described above, an operator or the like may be required to perform the roofing work on the roofing material 2, repair the roof, or the like. In addition, there is a problem that the roof material 2 is broken when the roof material 2 is stepped on. Therefore, the object of the present invention is to
An object of the present invention is to provide a field board in which the roofing material is hardly broken even when the roofing material is stepped on.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a construction in which a roof material (2) is laid on a field board (1) when the roof material (2) and the field board (2) are laid. Main surface of 1) (1
1) In the part corresponding to the space (S) formed between
A field board (1) characterized in that a supporting projection (12) for supporting the roof material (2) is provided. According to the field board (1), even when the roof material (2) laid on the field board (1) is stepped on, the roof material (2) is supported by the supporting projections (12) of the field board (1). Since the roofing material (2) is supported, stepping cracks of the roofing material (2) are prevented. In the present invention, when the roof material (2) is stepped on, the roof material (2) only needs to be supported by the supporting projections (12) of the field board (1). When the roofing material (2) is roofed on the baseboard (1), the roofing material (2) and the supporting projections (12) of the baseboard (1) need not necessarily be in contact with each other.

[0005] The supporting projection (12) on the base plate (1)
Is preferably inclined along the back surface of the roofing material (2). Thus, by inclining the upper surface of the support protrusion (12) of the field board (1), the roof material (2)
Can be reliably supported or held by the support projections (12), and the stepping cracks of the roofing material (2) can be effectively prevented. It can be prevented from sliding down to the side.

When the roofing material (2) is laid on the baseboard (1), the roofing board (2) and the main surface (11) of the baseboard (1) are placed on the baseboard (1). There are provided marks (15, 16) for positioning the roofing material (2) so that the space (S) formed between the roofing material (2) and the supporting projection (12) is located at the position. Is preferred. By the marks (15, 16), the positioning of the roofing material (2) can be performed accurately and easily.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 shows a field board according to an embodiment of the present invention.
4 to FIG. In the field board 1, a portion corresponding to a space S formed between the roof material 2 and the main surface 11 of the field board 1 when the roof material 2 is laid on the field board 1, A support projection 12 for supporting the roofing material 2 is formed. In the present specification, the “principal surface 11 of the base plate 1” refers to the surface of the base plate 1 in a portion where the support protrusion 12 is not formed.

The upper surface of the support projection 12 of the base plate 1 is shaped along the back surface of the roofing material 2. The support projection 12 in the present embodiment is substantially planar as shown in FIG. A rhombus-shaped main portion 13 and a V-shaped extending portion 14 which is formed continuously at the front end (eave tip side) of the main portion 13 as shown in FIG. The extension 14 rises from the front end (eave tip side) to the rear end (ridge side), and the support projection 12
The main portion 13 is inclined so that the amount of protrusion decreases from the front end (eave tip side) to the rear end (ridge side).

Further, in the above-mentioned base plate 1, the roof material 2
Is formed between the roofing material 2 and the main surface 11 of the field board 1 when the roof is laid on the field board 1.
Convex marks 15 and 16 are provided so that the roofing material 2 can be positioned at the position 12. As shown in FIG. 3, the roofing material 2 in the present embodiment includes a main portion 21 having a substantially rectangular shape and a root end portion 22 having a substantially trapezoidal shape following the rear end of the main portion 21. The rear end of the main portion 21 is formed in a curved shape. The mark 15 of the base plate 1 is provided at a position corresponding to the rear end corners 23, 23 of the root end 22 of the roofing material 2. The mark 16 of the base plate 1 is provided on the roofing material 2. Main part
21 are provided at positions corresponding to the rear end corners 24, 24.

The base plate 1 is usually made of a wood chip cement board. For example, a cement-based inorganic material, a wood chip and, if desired, a third component such as an aggregate, a hardening accelerator, a waterproofing agent or a water repellent are mixed. The formed molding material is sprayed on a template having concave portions corresponding to the supporting projections 12 and the projections 15 and 16 of the base plate 1 to form a mat, and the mat is pressed in the presence of moisture to form a mat. It can be manufactured by primary curing and then curing the primary cured mat at room temperature or in an autoclave.

In order to roof the roofing material 2 on the baseboard 1, as shown in FIG. 3 and FIG. The first half (eave tip side) of the roofing material 2B of the row is constructed so as to overlap the latter half (ridge side) of the roofing material of the first row, and thereafter the third row and thereafter are constructed sequentially. .

At this time, since the land board 1 is provided with marks 15 and 16 for positioning the roofing material 2, the rear end corners 23 and 23 of the root end 22 of the roofing material 2 are removed. The rear end corner 2 of the main part 21 of the roofing material 2 is aligned with the mark 15 of the base plate 1.
By aligning 4 and 24 with the marks 16 of the base plate 1, the positioning of the roof material 2 can be easily performed, and the roof material 2 is formed between the roof material 2 and the main surface 11 of the base plate 1. The roofing material 2 can be roofed so that the space S is located at the position of the support projection 12 of the baseboard 1.

Further, the upper surface of the main portion 13 of the support projection 12 of the base plate 1 is inclined so that the amount of protrusion decreases from the front end (eave side) to the rear end (ridge side). Even if the positioned roofing material 2 is not fixed, the roofing material 2 is held by the supporting projections 12 of the baseboard 1 and is prevented from sliding down to the eaves side, so that the roofing work of the roofing material 2 can be performed easily and efficiently. Can be.

The roofing material 2 thus roofed
Is supported by the support protrusion 12 of the base plate 1,
Even when a worker or the like steps on the roofing material 2 during roofing work of the roofing material 2 or repair of the roof, the roofing material 2 is prevented from breaking.

The present invention has been described with reference to the drawings.
The present invention is not limited thereto, and various modifications can be made without departing from the spirit of the present invention. For example, the shape of the support protrusion 12 of the base plate 1 can be appropriately changed according to the shape of the roof material to be constructed. Also, the marks 15 and 16 of the base plate 1 may be concave,
2 may be formed along the whole or a part of the outline, or may be a marking of a color different from the color of the surface of the base plate 1. Further, the upper surface of the support protrusion 12 of the base plate 1 and the roof material 2 do not necessarily have to be in contact with each other.

[0016]

According to the field board of the present invention, the roof material is not easily broken even when the roof material laid on the field board is stepped on.

[Brief description of the drawings]

FIG. 1 is a plan view of a field board according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of the base plate in FIG.

FIG. 3 is a plan view showing a state in which a roofing material is roofed on a field board in FIG. 1;

FIG. 4 is a sectional view taken along the line BB of the field board and roofing material in FIG.

FIG. 5 is a cross-sectional view showing a state in which a roof material is roofed on a conventional base plate.

[Explanation of symbols]

 1 ... field board 11 ... main surface 12 ... support convex part 15, 16 ... mark 2 ... roof material

[Procedure amendment]

[Submission date] December 28, 1998 (1998.12.
28)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0015

[Correction method] Change

[Correction contents]

The present invention has been described with reference to the drawings.
The present invention is not limited thereto, and various modifications can be made without departing from the spirit of the present invention. For example, the shape of the support protrusion 12 of the base plate 1 can be appropriately changed according to the shape of the roof material to be constructed. Also, the marks 15 and 16 of the base plate 1 may be concave,
It may be formed in a shape along the whole or a part of the contour of the roofing material 2, or may be a marking degree by a color different from the surface plate 1 surface. Further, the upper surface of the support protrusion 12 of the base plate 1 and the roof material 2 do not necessarily have to be in contact with each other.

Claims (3)

[Claims] 1. A supporting projection for supporting the roofing material at a portion corresponding to a space formed between the roofing material and a main surface of the roofing material when the roofing material is laid on the roofing material. The field board characterized by having provided. 2. The field board according to claim 1, wherein an upper surface of the support projection is inclined along a back surface of the roof material. 3. A space formed between the roof material and the main surface of the field board when the roof material is laid on the field board at the position of the support projection. The field board according to claim 1 or 2, further comprising a mark for positioning the roofing material.