JP2008095415A - Heat insulation roof material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat insulation roof material which is improved in working capability, waterproofing capability, heat insulation capability, noncondensation capability, etc. <P>SOLUTION: The heat insulation roof material A is formed of a metallic roof material B and a heat insulation material C. To form the metallic roof material B, male and female joint structures are formed at upper and lower edges, and one of right and left edges is folded inside to form a folded piece 15. Then a lower joint portion 14 having projections 18 projecting so as to be inclined toward a downstream side of the center of a faced surface 4, is formed on the faced surface 4 on the outside of the tip of the folded piece 15, and an upper joint portion 19 is formed along the other edge in a manner projecting an end thereof outwardly by a length longer than that of the lower joint portion 14. Then the heat insulation material C is arranged on a rear surface 5 of the metallic roof material B, other than the upper joint portion 19. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a heat insulating roof material having improved construction function, waterproof function, heat insulating function, dew condensation preventing function, and the like.

  In general, a large number of heat-insulating roof materials obtained by processing metal plate materials by roll molding, press molding or the like are on the market. (For example, refer to Patent Documents 1 and 2).

Japanese Utility Model Publication No. 55-117522 JP-A-9-195451

  Patent documents 1 and 2 are metal roofing materials which form a vertical joint by forming a heat insulating material on the back surface and overlapping left and right end portions. However, Patent Documents 1 and 2 have a structure in which the left and right end portions are overlapped to connect the lateral direction, but the waterproofness is inferior, and there is a risk of water leakage in the unlikely event. Moreover, although patent document 1 strengthened waterproofness by the protrusion part and patent document 2 by the drainage groove, while distortion generate | occur | produced by shaping | molding, shaping | molding was complicated.

  In order to solve such drawbacks, the present invention forms a male-female connection structure at the upper and lower ends, and at one end edge in the left-right direction, the end is folded back inward to form a folded piece, from the tip of the folded piece. Also, on the outer decorative surface, a lower connecting portion is formed which forms a convex portion that protrudes in the middle of the decorative surface toward the underwater side, and the other end has an end longer than the lower connecting portion. The metal roof material which protruded in the direction and formed the upper connection part, and the heat insulation roof material which formed the heat insulating material in the back surfaces other than the upper connection part of metal roof material are provided.

  As described above, according to the heat insulating roof material according to the present invention, (1) it is cool in summer and warm in winter due to the formation of the heat insulating material. (Insulation function). (2) The cost of air conditioning can be reduced by forming the heat insulating material. (Cost reduction function). (3) Rain noise is reduced by the formation of the heat insulating material. (Soundproof function). (4) Workability is improved because joints are not required. (Construction function). (5) Since the convex part which inclines and protruded to the decorative surface center was formed, waterproofness is strengthened. (Waterproof function). (6) Since the vertical joint portion has a plug-type connection structure, the insulating material deficient portion between the roof materials does not occur, and the heat insulating performance can be maintained. (Insulation function). There are features and effects.

  The heat insulating roof material according to the present invention will be described in detail below with reference to the drawings. FIGS. 1A to 1C are explanatory views showing a typical example of a heat insulating roof material A made of a metal roof material B, a heat insulating material C, and a back surface material D, and FIGS. FIG. 5 to FIG. 8 are explanatory views showing left and right end portions of the heat insulating roof material A, and in FIGS. 9A to 9C, FIG. 9A is an end view of the aa portion of FIG. (B) The figure is a bb part end view of Drawing 5, (c) Drawing is a cc part end view of Drawing 6. 10A to 10C, FIG. 10A is a sectional view taken along the line dd in FIG. 8, FIG. 10B is a sectional view taken along the line ee in FIG. 8, and FIG. FIG. Further, FIGS. 11A to 11C and FIGS. 12A to 12C are explanatory diagrams showing a construction order, and FIG. 13 is an explanatory diagram showing a construction state. In the figure, α is a base, β is a fixture such as a nail, γ is a vertical joint, γ1 is a horizontal joint, K is a house, M is a window, and Y is a roof.

  The base α indicates a wooden base composed of a rafter 1, a field board 2 and a waterproof sheet 3 as shown in FIG. That is, it is a base α having a general structure in which a base plate 2 is laid on the rafter 1 and a waterproof sheet 3 (asphalt felt) is disposed on the base plate 2. In addition, as base α, H-shaped steel, I-shaped steel, grooved steel, lightweight grooved steel, lip groove shaped steel, equilateral angled steel, unequal angled angled steel, square steel (square pipe), round steel (circular pipe), It is also possible to use a steel base using, for example. Of course, when renovating the existing roof as it is, existing roofs (not shown) such as metal sided roofs, metal roof tiled roofs, new tiles (colonial), tiled roofs, etc. on these base α The formed existing roof structure is the base α. Of course, the base α on which the waterproof sheet 3 is not formed may be used.

  The metal roof material B is formed by roll forming, press forming, extrusion forming, or the like of a metal plate (color steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad steel plate, etc.), for example. .

  More specifically, the metal roofing material B has a long plate shape. As shown in FIGS. 1A to 1C, the decorative surface 4, the back surface 5, and the undersurface of the decorative surface 4 are substantially horizontal. A stepped decorative surface 6 whose side end portion is hung downward and an insertion edge 7 are formed by bending in a substantially U shape so as to open on the water side, and the decorative surface 4, the stepped decorative surface 6 and the insertion edge 7 are formed. From this, a substantially U-shaped hook groove 8 is formed to form a male connecting portion 9.

  Moreover, as shown in FIGS. 1A to 1C, the above-described insertion formed at the water-side end portion of the decorative surface 4 by opening the tip of the decorative surface 4 to the water-side and having a substantially U-shaped cross section. A fitting groove 10 fitted to the edge 7, a fitting edge 11 serving as an upper edge of the fitting groove 10, and a fixing surface 12 are formed to form a female connecting portion 13.

  Further, as shown in FIGS. 5 and 9B, the lower end portion 14a of the one end edge of the metal roof material B protrudes inwardly, the folded piece 15, the recessed portion 16 formed in the folded piece 15, and the recessed portion 16 A lower connecting portion 14 formed from a waterproof gap 17 formed by the above and a convex portion 18 which is inclined and protrudes toward the center of the decorative surface 4 on the decorative surface 4 outside the tip of the folded piece 15; As shown in FIG. 9C, a protruding piece 20 that protrudes outward from the upper end portion 19a of the other end edge of the metal roof material B, and a notch 20 that is cut out from the protruding portion of the female connecting portion 13 is provided. A gap prevention piece 22 in which the tip of the protruding piece 20 is folded inward, a notch 23 on the back surface portion of the protruding piece 20, a drain hole 24 in which the vicinity of the upper end portion 19a of the insertion edge 7 is cut, Waterproof formed by the drain hole 25, the positioning piece 26, and the gap prevention piece 22. It is obtained by forming the connecting portion 19 on which is formed from gap 27..

  As shown in FIGS. 3, 4, and 9 (a) to 9 (c), the lower connecting portion 14 is a portion that exhibits a waterproof function when the upper connecting portion 19 is connected.

  The folded piece 15 is formed by folding the lower end portion 14a, thereby abutting against the back surface 5 of the protruding piece 20 to enhance the waterproof property, and forming the recessed portion 16 in the middle, thereby forming the waterproof gap 17 in the connecting portion. It forms and further improves waterproofness.

  As shown in FIG. 5, a plurality of convex portions 18 are inclined to the lower side of the center of the decorative surface 4 and formed at a constant pitch, so that rainwater, wind, and the like to enter inside are indicated by dotted arrows in FIG. As shown in the figure, while being discharged to the outside, the synergistic effect of the folded piece 15, the recessed portion 16, the waterproof gap 17, the gap prevention piece 22, and the waterproof gap 27 further improves waterproofness and airtightness.

In the figure, the formation angle r is r = 30 °. Further, the formation position of the convex portion 18 is the width from the lower end portion 14a to the convex portion 18 formation position, and the width from the upper end portion 19a to the tip of the protruding piece 20 (the width of the notch 23) as shown in FIG. If W is W, then W> w. In addition, in the relationship between the convex parts 18 as shown in FIG. 5, if the vertical overlap t is provided between the convex parts 18, waterproofness will improve further. Note that T ≧ 0, where T is the overlap in the vertical direction of the protrusion 18.

  By forming a plurality of the convex portions 18 by inclining in this way, molding can be performed while minimizing molding distortion at the end portion. Moreover, since there is no distortion, the dimensional accuracy of the metal roofing material B is improved, and the workability and waterproofness are improved by improving the dimensional accuracy.

  As shown in FIGS. 3, 4, and 9 (a) to 9 (c), the upper connecting portion 19 is a portion that exhibits a waterproof function by being connected to the lower connecting portion 14.

  As shown in FIG. 9A, the protruding piece 20 is a portion that is formed on the lower connecting portion 14 through the notch 21 and forms a waterproof vertical joint γ. A plurality of waterproof gaps 27 are formed by the piece 22 to improve waterproofness and airtightness.

  The notch 21 is a space where the fitting edge 11 and the fixing piece 12 are notched so that the female connecting portion 13 does not get in the way when the metal roof materials B are connected to each other. Of course, the heat insulating material C and the back surface material D do not exist in the notch 21.

  The air gap prevention piece 22 prevents the air gap from being formed in the vertical joint γ between the protruding piece 20 and the decorative surface 4, improves waterproofness, and improves the design and prevents the ends from fluttering. To form.

  The cutout 23 is a space cut out so that the heat insulating material C and the back surface material D do not get in the way when the heat insulating roof materials A are connected in the horizontal direction.

  When the drainage holes 24 are connected as shown in FIG. 2 to FIG. 4, the rainwater that has entered from the vertical joint γ portion does not enter the interior from the insertion edge 7 portion, so It is a part which drains to the makeup | decoration face 4.

  When the second drain hole 25 is connected as shown in FIGS. 2 to 4, when rainwater that has entered from the vertical joint γ portion enters the drain hole 24, the lower insulating roof 25 It is a part drained to the decorative surface 4 on the material A. Further, the second drain hole 25 is formed, and the positioning piece 26 is a part for specifying the formation position of the notch 23. Of course, the positioning piece 26 can be used as a cutting position of the heat insulating material C and the back material D for separating the plurality of continuous heat insulating roof materials A formed with the heat insulating material C and the back material D at the time of manufacturing the heat insulating roof material A. It is a functional part.

  The heat insulating material C functions as a waterproof material, a heat insulating material, a reinforcing material, a raising material, a soundproof material, a sound absorbing material, a buffer material, a fireproof material, a dew condensation prevention material, etc., and mainly uses a synthetic resin foam. Is. The material is made of synthetic resin foam such as styrene foam, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc. And a curing agent and a foaming agent are mixed, discharged onto the back surface side of the front surface material or the back surface material, and heated to react, foam and cure.

In addition, in the heat insulating material C, lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite etc. can be mixed to improve fire resistance and fire resistance.

  Back material D is 1 such as kraft paper, aluminum evaporated paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber nonwoven fabric, etc. It is composed of a seed, or a laminate of two or more kinds, or a sheet subjected to waterproof treatment or flame retardant treatment.

  Then, the construction method of the heat insulation roof material which concerns on this invention is demonstrated. Therefore, it is assumed that the heat insulating roof material A as shown in FIGS. 1 (a) and 1 (c) is constructed as shown in FIGS. 2 and 11 (a) to (c) to FIG.

  First, as shown in FIG. 2, the upper heat insulating roof material A is constructed on the lower heat insulating roof material A as shown in FIGS. 11 (a) and 12 (a) on the lower connecting portion 14 of the left heat insulating roof material A1. 11B and FIG. 12B, the upper connecting portion 19 of the right heat insulating roof material A2 is overlapped.

  After that, as shown by the arrows in FIGS. 11 (b) and 12 (b), the right insulating roof material A is pushed in and installed, and the fixing piece 12 of the insulating roof material A2 is nailed as shown in FIG. It fixes to base | substrate (alpha) with fixing tools (beta) etc., and it constructs as shown in FIG.12 (c). By sequentially performing this process in the right direction and the upward direction, the construction is completed as shown in FIG. Of course, it is also possible to insert the right heat insulating roof material A2 so as to push it in an oblique direction.

  What has been described above is only one embodiment of the heat insulating roof material according to the present invention, and can be formed as shown in FIGS. 14 (a) and (b) to FIGS. 19 (a) to (f).

  14 (a), 14 (b) to 16 (a), (b) are plan views showing other embodiments of the convex portion 18, and in particular, FIGS. 14 (b) to 16 (a), (b). ) Is a heat insulating roof material A in which the convex portions 18 are formed so as to overlap each other by a dimension T in the vertical direction, and the waterproof property is further enhanced.

  FIGS. 17A to 17F are plan views showing other examples of the shape of the convex portion 18. Of course, in the drawing, the lower connecting portion 14 is formed at the right end portion and the upper connecting portion 19 is formed at the left end portion, but the left and right portions may be formed in reverse.

It is explanatory drawing which shows a typical example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material which concerns on this invention, and the edge part of heat insulation roof material. It is explanatory drawing which shows the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction order of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction order of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the other Example of the heat insulation roof material which concerns on this invention.

Explanation of symbols

α Base β Fixture γ Longitudinal joint γ1 Horizontal joint A Heat insulation roof material A1 Heat insulation roof material A2 Heat insulation roof material B Metal roof material C Heat insulation material D Back material K House M Window Y Roof 1 Rafter 2 Field plate 3 Waterproof sheet 4 Makeup Surface 5 Back surface 6 Stepped surface 7 Insertion edge 8 Hook groove 9 Male connection part 10 Fitting groove 11 Fitting edge 12 Fixed piece 13 Female type connection part 14 Lower connection part 14a Lower end part 15 Folding piece 16 Recessed part 17 Waterproof gap 18 Protruding part 19 Upper connecting part 19a Upper end part 20 Protruding piece 21 Notch 22 Gap prevention piece 23 Notch 24 Drain hole 25 Second drain hole 26 Positioning piece 27 Waterproof gap

Claims (1)

A male-female connection structure is formed at the upper and lower ends, a folded piece is formed by folding the end portion inwardly at one end edge in the left-right direction, and on the decorative face outside the tip of the folded piece, A metal roof that forms a lower connecting portion that forms a convex portion that protrudes by inclining to the lower side of the water, and has an end portion that protrudes outward from the lower connecting portion to the outside longer than the lower connecting portion. A heat insulating roof material, characterized in that a heat insulating material is formed on the back surface of the metal roof material other than the upper connecting portion.

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