JP3533616B2 - Roof structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof structure formed by using a backing material and a stepped roof material. 2. Description of the Related Art Generally, a roof structure of this kind is a structure in which a plate-like backing material is simply laminated and a step-like roof material is constructed thereon. [0003] However, in the above-described structure, if rainwater infiltrates the backing material, the rainwater travels on the backing material and penetrates into the fitting portion of the roof, and There is a drawback that it penetrates into the base, and there is a problem in waterproofness. SUMMARY OF THE INVENTION In order to eliminate such a drawback, the present invention forms a thin tongue protruding at one end in the longitudinal direction of a backing material, and attaches the tongue to a roof material. Because the roof structure was inserted between the male connector and the female connector, even if rainwater infiltrates the backing material and travels on the backing material to reach the fitting part of the roof, the tongue piece The present invention proposes a roof structure that can be discharged from a fitting portion of a roofing material to an outer surface of the roofing material without being transmitted to a roof base, and has enhanced waterproofness. An embodiment of a roof structure according to the present invention will be described below in detail with reference to the drawings. FIGS. 1A and 1B and FIGS. 2A and 2B which are longitudinal sectional views of FIG. 1 are explanatory views showing a typical example of the above structure.
And a backing material B. The roof base α is composed of a rafter 1, a ground board 2, a waterproof asphalt roofing 3 and the like in the case of new construction. (Not shown). FIGS. 3 (a) and 3 (b) are perspective views showing a roofing material A. The roofing material A is made of a metal plate (colored steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad plate). Sheet, etc.) formed by roll forming, press forming, extrusion forming or the like. More specifically, the roofing material A is in the shape of a long plate, and one end of the roofing material A in the width direction is below the decorative surface 4, that is,
The stepped decorative surface 6 and the insertion edge 7 are bent in a substantially U-shape on the back surface 5 side.
And a substantially U-shaped hooking groove 8 is formed from the decorative surface 4, the stepped decorative surface 6, and the insertion edge 7. At the other end of the decorative surface 4, a fitting groove 10 which fits into the insertion edge 7 which is bent upward of the decorative surface 4 and has a substantially U-shaped cross section, Forming a fitting edge 11 whose tip is folded in a U-shape, and a fixed piece 12 which is bent downward at the tip of the fitting edge 11 and bent outwardly in an L-shape substantially parallel to the decorative surface 4. The female connector 13 is formed. Further, a connecting piece 14 is formed in which both side edges in the longitudinal direction of the decorative surface 4 are bent toward the back surface 5 in a goby shape. In FIGS. 3A and 3B, the fitting groove 10 and the insertion edge 7 are recessed in order to increase the strength in the longitudinal direction and to prevent rainwater or the like from the outside from penetrating into the inside due to capillary action. The ridge 15 and the concave ridge 16 are formed. FIG. 4 shows an example of the backing material B, which is made of a rectangular long plate-like base material 17 to improve the strength of the roof foundation α and to provide a support material for the roof material A, Timber,
It functions as a guide during construction, a material for reducing rain noise, and a waterproof material. The material of the base material 17 may be a sheathing board, a sheathing insulation board, a rock wool board, a plywood, a wool cement board, or a synthetic resin such as styrene hod, urethane foam, isocyanurate foam, phenol foam, and PVC foam. Foam,
Alternatively, it is formed from a composite plate or the like made of these. A tongue piece 18 is formed along the longitudinal direction of the base member 17 so that at least one end thereof protrudes (extends) thinner than the base member 17. As shown in FIGS. 5 (a) to 5 (d), the joint material C is made of the same type of material as the roof material A by an equivalent molding method. E is formed from two members. [0015] That is, as shown in FIG. 5 (b), the stitch plate D is in contact with the back surface 5 of the roofing material A, and the stitch portion 19 to which the fitting plate E is mounted and the lower side of the stitch portion 19 are formed. 5 (a). It is formed from a rib portion 20 bent to the back side and a rain return portion 21 formed by bending the upper side of the floor portion 20 to the front side as necessary. FIG. 5 which is an end view of line A
As shown in (d), in the width direction, both side edges are turned back to the surface side, and the tip is turned back again to form a pot-like shape, and an extension portion 23 in which both side edges of the lock portion 22 are extended.
And an extension tongue piece 24 formed by folding the tip of the extension portion 23 toward the front side. The shape of the end face can be substantially the same not only from the seam portion 19 but also from the edge portion 20 to the rain return portion 21. That is, the floor plate D can be continuously formed by roll forming or the like. Further, in FIG. 5, in order to strengthen the connection in the up-down direction, a substantially central portion of the tongue portion 20 is extended to form a tongue piece 20 a. As shown in FIG. 5 (c), the fitting plate E has a sectional shape in which the left and right sides of the bottom surface 25 are folded back to form a locking tongue piece 26 to form a meeting bag. Connection pieces 1 provided on both side edges of decorative surface 4 of roofing material A as shown in d)
4 is fitted and locked. (Note that the roofing material A is indicated by a dotted line in FIG. 5D.) Further, as shown in FIG. It is integrated by being locked by the stopper 22. Next, the roof structure according to the present invention will be described in detail through working examples. 1 and 2
(A), (b), the rafters 1, sheathing roof board 2, on the roof bed α consisting bituminous waterproofing 3 etc., laying backing B ₁ of the lower stage. Next, the roofing material A ₁ of the lower stacked on the backing material B ₁ located in the lower part, the roof bed α through the backing B ₁ in the fixture β such as a nail from above the fixing pieces 12 of the roofing material A ₁ Fixed to. Next, one end of the upper backing material B ₂ is loaded on the fixed piece 12 of the lower roof material A ₁ , and the tongue piece 18 is loaded from the fixed piece 12 of the roof material A ₁ to the fitting edge 11. I do. Then the upper Sakomien 7 of roofing material A ₂ fitted, engages in the lower part of the fitting groove 10 of the roofing material A _1, the upper backing B ₂
Roofing material A ₂ of the upper stage is stacked on top. As described above, by shingling one stage at a time from the eaves direction to the ridge direction, as shown in FIGS.
And a backing material B, a gap γ having a substantially triangular longitudinal section is formed. This gap γ can function as a flow path for fresh air and the like, and further promotes the functions of the backing material B such as a heat insulating material, a soundproofing material, a humidity control material, etc. It contributes to the prevention of corrosion of the material A and the like. Further, in FIG. 2, ΔT is an overlapping margin between the backing materials B, and in order to prevent the backflow of the infiltrated rainwater and to exert a sufficient waterproof effect, ΔT is as long as possible, and is preferably ΔT. = About 50 to 60 mm. Further, as shown in FIG.
The tongue piece 18 of the male member 9 and the female member 1 of the roofing material A
3 so that even if rainwater infiltrates the backing material B and travels on the backing material B and comes to the fitting portion of the roofing material A as shown by the arrow B, Without being transmitted to the roof base α side by the tongue piece 18, it can be discharged from the fitting portion of the roofing material A to the outer surface of the roofing material A as shown by the arrow C, and the waterproofness is enhanced. . The connection of the roofing materials A in the left-right direction is as follows.
As shown in FIG. 5 (d), this is performed via a joint material C. That is, the connecting piece 14 of the one roof material A and the one locking tongue piece 26 of the joint material C are locked in advance so as to form a braided combination, and are arranged on the roof foundation α. Next, the other roofing material A is slid so that the connecting piece 14 of the roofing material A is engaged with the other locking tongue piece 26 of the joint material C to complete the connection. At this time, the tip of the fixing piece 12 of the roofing material A is inserted into the rain return portion 21 of the joint material C and abuts thereon.
The top 20 of the joint material C is the back surface 5 of the roof material C and the stepped decorative surface 6
State fitted into a substantially U-shaped hooking groove 8 formed by Sakomien 7, and the馳舌piece 20a is fitted into the fitting groove 10 of the roofing material A ₁ located in the lower part It becomes. In the left and right connecting portions formed in this manner, rainwater which is to enter the inside is primarily waterproofed by the fitting plate E, secondary waterproofed by the locking portion 22, and by the extension portion 23 and the extension tongue piece 24. The tertiary waterproof structure is a triple waterproof structure, and the waterproof property is greatly improved. Also, since the joint material C is fixed by the left and right roof materials A, the workability is good and the joint material C itself does not move. As described above, a new roof is formed by performing the steps one by one from the eave to the ridge in the same manner as described above. What has been described above is an embodiment of the roof structure according to the present invention, and a structure in which the respective members are combined as shown in FIGS. That is, FIGS. 6A to 6F show roofing materials A.
(E) and (f) are examples in which a hanging element F (indicated by a dotted line) is used for fixing a roofing material A. FIG. 7 and 8 show modified examples of the backing material B. FIGS. 7 (a) and 7 (b) show a cutout 27 and a projection 28 which serve as overlapping guides, thereby facilitating construction. Example,
(C) shows an example in which a hollow hole 29 is provided inside to facilitate the humidity control function, and (d) shows an example in which the tongue piece 18 is formed at the other end. Further, FIG. 8 shows that the tongue piece 18
This is an example in which is formed. FIGS. 9 (a) to 9 (d) are explanatory views showing other examples of the joint material C. FIG. 9 (b) shows a floor plate D as shown in FIG. 9 (c) and FIG. 9 (c) shows a fitting plate as shown in FIG. E, and a packing body G shown in FIG. (D), and in particular, is an example of the joint material C in which the stitch plate D is formed of a synthetic resin to reduce the cost. As described above, according to the roof structure of the present invention, a void having a triangular vertical section is formed by the backing material laid on the roof base by superimposing. It promotes the humidity control function of the backing material, prevents dew condensation, and does not corrode the roof foundation, roofing material, and roofing material. The roofing material is connected in the vertical direction by fitting the locking groove and the insertion edge, and the connecting piece and the locking tongue piece of the joint material are fitted to connect the left and right, so the workability is improved, and the roofing is improved. There is no flapping or dropping off after growth. The connection between the left and right roof materials is performed via a joint material, and rainwater or the like which is likely to enter the inside from the connection portion is tripled by a fitting plate, a locking portion, an extension portion and a tongue piece of the joint material. It is waterproof, and the waterproofness of the joint is greatly improved.
The roofing material creates a moderate step, improving the landscape and aesthetics. By forming the backing material, the strength of the existing roof is strengthened and the heat insulation, sound insulation and waterproofness are improved. Since the tongue of the backing material has a roof structure in which it is interposed between the male connection portion and the female connection portion of the roofing material, rainwater will infiltrate the backing material and will travel along the backing material and fit the roofing material Even if it comes to the part, it can be discharged from the fitting part of the roofing material to the outer surface of the roofing material without being transmitted to the roof foundation side by the tongue piece, and the waterproofness is enhanced. There are features and effects.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing a typical example of a roof structure according to the present invention. FIG. 2 is an explanatory view showing a typical example of a roof structure according to the present invention. FIG. 3 is an explanatory view showing a typical example of a roof material used in the above structure. FIG. 4 is an explanatory view showing a typical example of a backing material used in the above structure. FIG. 5 is an explanatory view showing an example of a joint material used in the above structure. FIG. 6 is an explanatory view showing another example of a roof material. FIG. 7 is an explanatory view showing another example of the backing material. FIG. 8 is an explanatory view showing another example of the backing material. FIG. 9 is an explanatory view showing another example of the joint material. [Description of Signs] A Roofing material B Backing material C Joint material D Seat plate E Fitting plate F Hanger G Packing body α Roof base β Fixture γ Air gap 1 Rafter 2 Field board 3 Asphalt roofing 4 Decorative surface 5 Back surface 6 Step Makeup surface 7 Insertion edge 8 Hook groove 9 Male connecting portion 10 Fitting groove 11 Fitting edge 12 Fixing piece 13 Female connecting portion 14 Connecting piece 15 Concave strip 16 Concave strip 17 Base material 18 Tongue piece 19 Seat 20 Tongue part 20a Tongue piece 21 Rain return part 22 Locking part 23 Extension part 24 Extension tongue piece 25 Bottom surface 26 Locking tongue piece 27 Notch 28 Convex part 29 Hollow hole

Claims (1)

(57) [Claims] [Claim 1] In a roof structure in which a long plate-like backing material is overlaid on a roof base and a stepped roof material is laid on the backing material, Is formed of a long plate-shaped base material, and forms a tongue piece protruding one end in the longitudinal direction of the base material thinly. And a female connecting portion having one end bent downward in an L shape and a female connecting portion bent in the other end in an L shape. The tongue of the backing material is a male type of roof material. A roof structure characterized by being laid so as to be interposed between the connecting portion and the female connecting portion.