JP3505592B2 - Roof repair structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for repairing an existing roof of a building or building with a new roof.
In more detail, after strengthening the existing building, two or more of the purlins, the main building and the eaves girder connecting the existing building are connected with reinforcing materials to improve the strength of the existing roofing material. The present invention relates to a roof repair structure for forming a roof. [0002] Conventionally, this kind of roof repair structure has
A structure that removes all old roofs and forms a new roof on existing rafters, roof boards, etc., and roof foundations such as new rafters or roofing directly on existing roofing materials. In general, a new roofing material is attached via a waterproof sheet such as the above. [0003] However, in such a renovation structure, an old roof material is replaced with a new roof material, or a new roof material is formed on a damaged existing roof material. Therefore, it was only the technical idea of concealing the existing roof, and the technical idea of reinforcing the existing roof foundation, frame, or existing roofing material of the old building and improving the strength was not taken into account at all. . For this reason, the roof foundation and skeleton of the renovated building are burdened, and the strength is weak, especially the seismic resistance is extremely poor, new roof materials fall off due to the occurrence of an earthquake, etc., and the roof foundation and skeleton are damaged. In some cases, damage such as collapse of buildings occurred. SUMMARY OF THE INVENTION [0004] In order to eliminate such disadvantages, the present invention provides a method of repairing an existing roof with a new roofing material, and improving the strength of the existing frame, roof foundation, and existing roofing material. Is to improve the strength of the whole building by arranging reinforcing materials from above the existing roof, and to propose a roof renovation structure that forms a new roofing material so as to cover the reinforcing materials. An embodiment of a roof repair structure according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing an example of the roof repair structure, and FIG.
Is an existing roof, F is a new roof, and O is a roof foundation. [0006] As shown in the figure, the existing roof A is made of, for example, a field board a, a roofing b, an existing roofing material c, and the like. 1, not shown in FIG. 2). [0007] As shown in the figure, the existing roofing material c is a general roofing material installed on the outer surface of the roof foundation O. For example, in addition to the new tile as shown in the figure, a flat roofing material is used. , Roofing materials such as stepped roofing materials and alfalt singles, tiled roofing materials, tiled roofing materials and the like. As shown in FIG. 3, the reinforcing material G is made of, for example, a narrow and long thin plate-like steel material, wood, a synthetic resin material, or a composite material thereof. As shown in FIG. 2, the reinforcing material G can be any one of rafters B, purlins C, purlins D, and eave girders from the existing roofing material c via the existing roofing materials c, roofing b, and floor boards a. Or where the rafter B intersects with the purlin C, the purlin D, and the eave girder E, using a fixing tool α such as nails, screw screws, tex, anchors, anchor bolts, etc., and attached diagonally to the eaves direction. Existing roof A which became old by that
And to improve the strength of the roof substrate O. In addition,
One reinforcing material G is fixed to at least two or more of the purlin C, the purlin D, and the eaves girder E. In addition, the fixing of both ends in the longitudinal direction at the time of mounting can provide a large strength. It is preferable to perform the process at a place where the rafter B crosses any of the purlin C, the purlin D, and the eaves girder E. H is a new roofing material.
It is possible to use a stepped roof material as shown in (a) and (b). The new roofing material H used here is a metal sheet (colored steel sheet, copper sheet, aluminum sheet, titanium sheet, stainless steel sheet, sandwich steel sheet, clad steel sheet, etc.) formed by roll forming, press forming, extrusion forming, or the like. is there. More specifically, the new roofing material H is in the shape of a long plate, and one end in the width direction is bent in a substantially U-shape toward the lower side of the decorative surface 1, that is, the back surface 2, to form a stepped decorative surface 3. And a male connecting portion 6 formed with an insertion edge 4 and a decorative surface 1
The stepped decorative surface 3 and the insertion edge 4 form a substantially U-shaped hooking groove 5. At the other end of the decorative surface 1, a fitting groove 7 that is bent upward of the decorative surface 1 and fits with the insertion edge 4 having a substantially U-shaped cross section, and a tip of the fitting groove 7. And a fixing piece 9 which is bent downward at the tip of the fitting edge 8 and bent outward in an L-shape substantially parallel to the decorative surface 1 and extended.
The female connecting portion 10 is formed. Further, a connecting piece 11 is formed by bending both side edges in the longitudinal direction of the decorative surface 1 toward the back surface 2 in a goby shape. In FIG. 4A, concave grooves 12 are respectively formed in the fitting groove 7 and the insertion edge 4 in order to enhance the strength in the longitudinal direction and to prevent rainwater or the like from the outside from penetrating into the inside due to the capillary phenomenon. Has formed. By applying lysine to the decorative surface 1, the stepped decorative surface 3, etc., it is possible to prevent snowfall, prevent slippage, and improve the design. Reference numeral I denotes a backing material, which has a long plate shape as shown in FIG. In addition, the backing material I is backed up by laying a large number of the backing materials I on the existing roofing material c, so that the new roofing material H can be backed up even when a load is applied such as work on the roof or snow. While preventing deformation, it functions as a heat insulating layer, a humidity control layer, a fireproof layer, and a soundproof layer. Materials for the backing material I include a sheathing board, a sheathing insulation boat, a plastic foam (urethane foam, nullate foam, phenol foam, etc.) particle board, a wood composite board,
Wood wool cement board, composite panel (control panel),
It is made of a gypsum board, an ALC board, or the like. [0017] To further illustrate, the the backing I abutting an end face in the horizontal direction, as shown in FIG. 2, superposed elongated side to the backing material I ₁ of the lower stage in the ridge direction from eaves, and stepped Together with the existing roofing material c so as to form a triangular void β. The void β can function as a flow path for fresh air and the like, further promoting the functions of the backing material I, such as a heat insulating material, a soundproofing material, a humidity control material, etc., and preventing dew condensation to prevent the formation of the roof base O. This contributes to corrosion prevention of the roof material c and the new roof material h. J is a waterproof sheet made of alpha roofing or the like, which is laid on the existing roofing material c as required to enhance the waterproofness of the structure. FIG. 6 shows a joint material K for connecting the new roof materials H in the longitudinal direction. The joint material K is made of the same type of material as the new roof material H by an equivalent molding method. It is formed from two members of the fitting plate M. That is, as shown in FIG. 6 (b), the shingle plate L contacts the back surface 2 of the new roofing material H, the shingle portion 13 to which the fitting plate M is attached, and the lower side of the shingle portion 13. 6 is formed from a top part 14 bent to the back side and a rain return part 15 formed by bending the upper side of the floor part 13 to the front side as necessary, and FIG. As shown in FIG. 6D, which is an end view taken along the line II, 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-shaped locking portion 16; Extension 1 extending both side edges of
7 and an extension tongue piece 18 formed by folding the tip of the extension portion 17 toward the front surface side. The shape of the end face can be substantially the same not only from the seam portion 13 but also from the edge portion 14 to the rain return portion 15. That is, it is also possible to continuously form the siding board L by roll forming or the like, so that production can be performed at a reduced cost. Also, in FIG. 6, the tongue piece 14 a is formed by extending a substantially central portion of the tongue portion 14 in order to strengthen the connection in the vertical direction. As shown in FIG. 6 (c), the fitting plate M has a sectional shape in which the left and right sides of the bottom surface 19 are folded back to form a locking tongue piece 20 to form a meeting bag. As shown in d), the connecting pieces 11 provided on both side edges of the decorative surface 1 of the new roofing material H are fitted and locked. (Note that FIG.
In (d), the new roofing material H is indicated by a dotted line. 6) When the fitting plate M is further explained, the mating plate M
As shown in (d), both ends are locked by locking portions 16 to be integrated. Further, a joint member K having a structure as shown in FIG. 7 can be used. That is, it is composed of a floor plate L as shown in FIG. 3 (b), a fitting plate M as shown in FIG. 4 (c), and a packing body N as shown in FIG. 4 (d). This is an example of a joint material K formed of a resin material to reduce costs. Here, an embodiment of a method for constructing a roof repair structure according to the present invention will be briefly described. Here, it is assumed that the construction of the new roof F with the step roof is performed. First, FIG.
As shown in the figure, on the existing roofing material c made of new tiles, the reinforcing material G is attached to the existing roofing material c, the roofing b, the roofing board a, the rafter B, the main building C, the purlin D, and the eaves by the fixing tool α such as a nail. Attach any of the beams E or the place where the rafter B intersects with the purlin C, the purlin D, and the eaves girder E at an angle to the eaves direction. Regarding the places where the reinforcing members G cross each other,
It can be fixed all at once with one fixing tool α. The reinforcing members G are arranged as shown in FIGS. 10A to 10C (two-dot chain lines indicate the existing roof A). Next, as shown in FIG. 9, laying tarp J so as to cover the full range of existing roofing material c on the reinforcing member G, and a waterproof backing material I ₁ of the lower stage shown in FIG. 2 sheet J
While laying above placing the roofing material H ₁ of the lower on the backing material I ₁ located in the lower part, the backing I ₁ with fastener α such as a nail from above the fixing piece 9 of the new roofing material H ₁ To the existing roof A via Next, one end of the upper backing material I ₂ is placed on the fixing piece 9 of the lower new roofing material H ₁ , and the new upper backing material H ₁ is inserted into the fitting groove 7 of the lower new roofing material H _1. the Sakomien 4 roofing H ₂ fitted, locked, new roofing material of H ₂ upper is placed on the upper backing material I _2. By performing these operations sequentially from the eaves direction to the ridge direction, a new roof F is formed on the existing roof A. What has been described above is an embodiment of the roof repairing structure according to the present invention. The roof repairing structure as shown in FIGS. 11 to 19 or a member for repairing can be used. That is, FIGS. 11 to 13 are explanatory views showing other examples of the arrangement of the reinforcing members G. FIG. In particular, FIG.
(C) is that the end of the reinforcing material G is folded back and fixed at the position where the reinforcing material G overlaps, so that the reinforcing material G and the existing roof A
FIG. 13 shows a structure in which the bond with
(A) to (c) show a structure in which a reinforcing material G is also provided on a purlin C, a purlin D, an eaves girder E, and the like to further enhance the reinforcing force. FIGS. 14 to 16 show other examples of the reinforcing member G. FIG. FIG. 14A shows an example in which tongue pieces 21 are provided on both sides to improve the safety and strength of construction, FIG.
FIG. 14 shows an example in which a convex portion 22 having a function as a guide when using the fixing tool α is provided on the surface side while improving the strength.
(C) is an example in which the strength and design are improved by shaping in a wave shape. FIG. 15A shows an example in which the strength and design are improved by embossing, FIG. 15B shows an example in which the strength is improved by repeating a plurality of times, and FIG. This is an example in which a guide portion 23 is provided which comes into contact with rafters B and functions as a guide during construction. FIG. 16A shows that the reinforcing member 4 uses a turnbuckle as the reinforcing member G. After the reinforcing member 4 is disposed on the existing roofing material A, the bolt portion 24 is fastened and firmly tightened.
FIGS. 16 (b) and 16 (c) show an example in which the strength is greatly improved, and examples in which an aluminum alloy, a synthetic resin material or the like is formed by extrusion molding. Although not shown, the reinforcing material G may be provided with lysine to provide a sense of quality, and at the same time, may have a function of preventing slipping of the backing material I and the new roofing material H which come into contact with the front side. FIG. 17 shows an example in which an existing tiled roof A is renovated with a new roof F by means of the renovation structure of the present invention, and FIG. 18 shows an example in which an existing tile A is renovated with a new roof F which is tiled. It is. Although not shown, when the existing roof A is a tiled-roofed roof, when the new roof F is mounted, it can be laid from above the reinforcing material G using a plate material such as veneer plywood as a base. Although not shown, a flat roof as the existing roof A, a stepped roof, a tiled roof, a tiled roof, a new tiled roof, etc. as the existing roof A can be renovated as a new roof F by a similar construction method. . Further, when the renovation according to the present invention is performed, as shown in FIGS. 19 (a) and (b), a reinforcing material G is arranged between the girder P, the rafter B, and the main house C, or the hut facing each other. Bundle Q
By arranging the reinforcing material G between them, the strength of the whole building can be greatly improved. As described above, according to the roof renovation structure according to the present invention, the conventional drawbacks can be solved and the existing frame,
Since the existing roof base and the reinforcing material that reinforces the strength of the existing roofing material are arranged on the existing roofing material, the strength of the whole building is improved and the structure is resistant to earthquakes. Since there is no need to dismantle the existing roofing material, the number of construction steps can be reduced, the construction period can be significantly reduced, and there is no hindrance to living during construction. Since the new roofing material is formed directly on the existing roofing material, construction is easy and cost can be saved.
It has a double wall structure of existing roof material and new roof material,
It has a soundproof and fireproof structure. The new roofing material does not fall off easily because it is directly fixed to the existing roof foundation. There are features and effects.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing one embodiment of a roof repair structure according to the present invention. FIG. 2 is a cross-sectional view showing one embodiment of a roof repair structure according to the present invention. FIG. 3 is an explanatory view showing a typical example of a reinforcing material. FIG. 4 is an explanatory diagram showing an example of a new roof material used as a new roof. FIG. 5 is an explanatory diagram showing an example of a backing material used as a new roof. FIG. 6 is an explanatory view showing an example of a joint material. FIG. 7 is an explanatory view showing an example of a joint material. FIG. 8 is an explanatory view of one embodiment of the construction method of the present invention. FIG. 9 is an explanatory view of one embodiment of the construction method of the present invention. FIG. 10 is an explanatory diagram showing an example of the arrangement of reinforcing materials. FIG. 11 is an explanatory diagram showing an example of the arrangement of reinforcing materials. FIG. 12 is an explanatory diagram showing an example of the arrangement of reinforcing materials. FIG. 13 is an explanatory diagram showing an example of the arrangement of reinforcing materials. FIG. 14 is an explanatory diagram showing an example of a reinforcing material. FIG. 15 is an explanatory diagram showing an example of a reinforcing material. FIG. 16 is an explanatory diagram showing an example of a reinforcing material. FIG. 17 is a perspective view showing one embodiment of a roof repair structure according to the present invention. FIG. 18 is a perspective view showing one embodiment of a roof repairing structure according to the present invention. FIG. 19 shows another example of the use of a reinforcing material when performing renovation according to the present invention. [Description of Signs] α Fixture β Void A Existing Roof B Rafter C Purlin D Purlin E Eave Girder F New Roof G Reinforcement H New Roof I Backing Material J Tarpaulin K Jointing Material L Pile M M Fitting N N Packing Body O Roof base P Tsum beam Q Hut bundle a Roof b Roofing c Existing roofing material 1 Decorative surface 2 Back surface 3 Step decorative surface 4 Insertion edge 5 Hook groove 6 Male connection part 7 Fitting groove 8 Fitting edge 9 Fixed Piece 10 female type connecting part 11 connecting piece 12 concave streak 13 seam part 14 tongue part 14a tongue piece 15 rain return part 16 locking part 17 extension part 18 extension tongue piece 19 bottom face 20 locking tongue piece 21 tongue piece 22 convex Part 23 Guide part 24 Bolt part

Claims (1)

(57) [Claims] [Claim 1] A reinforcing material for connecting at least two of a purlin, a main building, and an eave girder constituting a frame of an existing building from at least an existing roof is provided, and the reinforcement is provided. Roof repair structure characterized by forming a new roof on the timber.