JP2011202386A - End part waterproof structure of exterior material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a repair structure for a decorative face of an exterior material forming a rugged shape forming the exterior of a building or a construction.SOLUTION: In a horizontal placing type exterior material A, a core material 3 is charged between a front face material 1 wherein a long end member Y having an insertion space Y1 with a U-shaped cross section is formed between a plate-shaped fixing piece 13 and a decorative piece 15 while a vertical plane type decorative face 6, a male type connection part 4 at the lower end, and a female type connection part 5 at the upper end are formed, and a back face material 2. The male type connection part 4 is formed of an engagement groove 7 formed by recessing the lower end of the decorative face 6 upward into a U-shape and an engagement piece 8 formed from the engagement groove 7. In the female type connection part 5, a fitting piece 10 and a fixing face 11 are formed from an engagement groove 9 formed by recessing the upper end of the decorative face 6 downward into a U-shape. The back face material 2 is bonded by the core material 3 and is extended from the upper side of the fixing face 11 to the engagement piece 8. The back face material 2 on the fixing face 11 at both longitudinal ends is bonded by a width of the fixing piece 13 of the end member Y or more. The exterior materials A are vertically connected one another, and an end part waterproof structure of the exterior material A is achieved by inserting the both end parts of the exterior material A into the insertion space Y1 of the end member Y.

Description

The present invention relates to an edge waterproof structure for an exterior material that forms an exterior of a building or a structure.

In general, a large number of horizontal metal exterior materials obtained by processing a metal plate material by roll molding, press molding or the like are on the market. (For example, see Patent Documents 1 to 3).

Japanese Patent Laid-Open No. 11-172848 JP 2002-371690 A JP 2003-239418 A

In Patent Documents 1 to 3, since the back material and the fixing part are not bonded and are in a free state in which the back material end is exposed on the indoor side, the end member (protruding corner, entering corner, vertical joint) When the rainwater enters the inside through the gap between the fixed portion and the back surface, the capillarity phenomenon occurs in the gap between the fixed portion and the back surface material. As a result, rainwater continuously invades (runs sideways) in the direction of the inside of the housing, and the rainwater may stagnate inside the housing. For this reason, the humidity inside the housing is increased, and there is a risk of adverse effects such as generation of rust and corrosion of exterior materials and the housing.

In order to solve such drawbacks, the present invention provides a long end member having a U-shaped insertion space between a flat fixed piece and a decorative piece, a vertical decorative surface, and a lower end. In the structure of both ends of the long-type outer covering material of the horizontal type in which the core material is filled between the surface material and the back surface material in which the male connection part is formed at the upper end, the male connection part has a decorative surface The upper end of the decorative face is recessed downwardly in a U shape in the female connecting portion. A fitting piece and a fixing surface are formed from the fitting groove, the back material is integrated with the core material, and is stretched from the fixing surface to the engagement piece, and the back surface on the fixing surface at both ends in the longitudinal direction. The material is composed of an exterior material bonded in a range equal to or larger than the width of the fixed piece of the end member, and the exterior material is connected vertically, and both ends of the exterior material are inserted into the end member. It is an end waterproof structure of the outer package being inserted between.

According to the waterproof structure for the edge part of the exterior material according to the present invention, since the back material at both ends is bonded and fixed to the fixed surface within the range of the width of the fixed piece of the end member, (1) There is no intrusion into the housing through the back material of the exterior material. (2) Since rainwater does not enter the interior of the enclosure, corrosion of the exterior material, enclosure, etc. can be prevented. There are features and effects.

It is sectional drawing which shows the construction state of the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows the construction state of the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows the representative example of the exterior material used for the edge part waterproof structure of an exterior material in this invention. It is a perspective view which shows the typical example of the exterior material used for the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows an example of the end member which constructs the edge part waterproof structure of an exterior material in this invention. It is a perspective view which shows an example of the conventional exterior material. It is sectional drawing which shows the construction state of the conventional exterior material. It is explanatory drawing which shows the processing order of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is explanatory drawing which shows the processing order of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is sectional drawing which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is a perspective view which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is a perspective view which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is sectional drawing which shows the other Example of the end member which constructs the edge part waterproof structure of an exterior material in this invention.

Hereinafter, an embodiment of the waterproof structure for an end portion of an exterior material will be described in detail with reference to the drawings. 1 (a), (b), FIG. 2 (a), and (b) are cross-sectional views showing a construction state of the end waterproof structure of the exterior material according to the present invention, and FIG. The aa section sectional view of a figure, (b) Drawing is the bb section sectional view of (a) figure. 3 (a) and 3 (b) are cross-sectional views showing an embodiment of the exterior material A used for the end waterproof structure of the exterior material according to the present invention, and FIG. 3 shows the end waterproof structure of the exterior material according to the present invention. It is a perspective view which shows one Example of the exterior material A to be used, and is the exterior material A which sandwiched the core material 3 which consists of a synthetic resin foam with the surface material 1 and the back surface material 2, for example.

As an example of the overall shape of the exterior material A, as shown in FIGS. 3A, 3B and 4, a core material 3 is sandwiched between a long surface material 1 and a back material 2 made of a thin metal plate material. And it is the elongate thing formed from the male type | mold connection part 4 formed in the lower end of the width direction, and the female type | mold connection part 5 formed in the upper end. P is a waterproof / airtight sealing material, α is a housing, and β is a fixture.

More specifically, the male connecting portion 4 is formed of an engaging groove 7 having a U-shaped recess at the lower end of the decorative surface 6 and an engaging piece 8 formed by the engaging groove 7. Reference numeral 5 denotes a fitting piece 10 and a fixing surface 11 formed from a fitting groove 9 whose upper end of the decorative surface 6 is recessed downward in a U shape.

Reference numeral 12 denotes a back material extension, which is a portion where the fixing surface 11 and the back material 2 are not bonded. This is because both ends of the back material 2 are bonded to the surface material 1, and the surface material 1 is free of deformation so that the surface material 1 does not deform into an uneven shape when the surface material 1 repeatedly expands and contracts due to the influence of the outside air temperature. It is formed in a proper state. The back material extension 12 prevents the surface material 1 from being exposed to the inside of the warehouse when the back material 2 of the exterior material A is exposed inside the warehouse, etc. It is formed in order to suppress the occurrence of internal condensation at the back material extension portion 12.

The surface material 1 and the back material 2 are thin metal plates such as iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, galvalume steel plate, enamel steel plate, clad steel plate, laminated steel plate (vinyl chloride steel plate, etc.), sandwich steel plate (control) Corrugated steel sheet, etc.), vinyl chloride resin, polycarbonate resin, etc. (including color plates coated with various colors of course) are molded into various shapes by roll molding, press molding, extrusion molding or the like. Also, as the back material 2, aluminum vapor-deposited paper, kraft 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 Or a laminate of two or more kinds, or a sheet-like material that has been waterproofed or flame-retardant treated.

The core material 3 is made of a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc., and particularly when fire resistance is required. Is formed by mixing a stock solution of a resol type phenol, a curing agent, and a foaming agent, discharging the mixture onto the back surface side of the surface material 1 or the back material 2, and heating to react, foam and cure. In addition, the core material 3 includes lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite and the like) can be mixed to improve fire resistance and fire resistance. Of course, an inorganic material such as rock wool, glass wool or ceramic wool may be used as the core material 3.

The exterior materials A are connected as shown in FIG. 1B by engaging pieces 8 to the fitting grooves 9 and fitting pieces 10 to the engaging grooves 7.

S is an adhesive, and as shown in FIG. 4, a fixed width at both ends of the exterior material A is formed in a gap K between the fixed surface 11 and the back material 2, and the fixed surface 11 and the back material 2 are bonded. , The width t has a relationship of t ≧ T with the width T of the fixed piece 13 of the lining plate B, and when the rainwater R has entered the housing α as shown in FIGS. 2 (a) and 2 (b). In addition, the rainwater R is formed so that the adhesive material S portion becomes a breakwater and the rainwater R does not enter the interior of the adhesive material S.

5 (a) to 5 (c) are cross-sectional views showing the end member Y used for the vertical joint, (a) the figure shows the siding board B, (b) the figure shows the cover material C, (c The figure shows the construction state, and Y1 is an insertion space into which the exterior material A is inserted.

More specifically, the siding plate B is formed in an elongated shape from a horizontal fixed portion 13 and a locking portion 14 in which a substantially central portion of the fixing portion 13 is recessed upward and a locking piece 14a is formed inside. Is formed.

Further, the cover material C is formed in an elongated shape from a horizontal decorative piece 15 and an engaging portion 16 that protrudes downward from a substantially central portion of the decorative piece 15 and has an engaging piece 16a formed in the middle. Formed.

The end member Y is used for a vertical joint portion as shown in the figure of the exterior material A, or to cover a portion where the end portion of the exterior material A is exposed, such as a protruding corner portion, an inset corner portion, a stop edge portion, etc. It is a long member formed by forming a metal plate material or a synthetic resin material (plastic material) or the like by roll molding or the like.

Here, the conventional problems will be described with reference to the drawings. FIG. 6 is a perspective view showing an example of a conventional exterior material A, and FIGS. 7A and 7B (FIG. 7A are shown in FIG. (a) is a cross-sectional view of the aa part, (b) is a cross-sectional view of the bb part of the (a) figure, and is a cross-sectional view showing a construction state of the conventional exterior material A. When the exterior material A between 11 is used, as shown by the dotted arrows as shown in FIGS. 6 (a) and 6 (b), the sealing material P1 is partially broken or cracked during heavy wind and rain. Rainwater R infiltrates into the inside from the generated part, and continuously infiltrates into the inside (sideways) from the gap K between the back material 2 and the fixed surface 11 due to the effect of capillarity, etc., and rainwater stagnates inside the housing α. There was a case. For this reason, the humidity inside the housing α is increased, and there is a risk of adverse effects such as generation of rust and corrosion of exterior materials and the housing.

A method of processing the exterior material A will be described with reference to FIGS. 3 (a), 3 (b), FIG. 4, FIG. 8, and FIG. First, as shown in FIG. 8, the back surface 2 is turned upside down as shown in FIG. 9 with the length H of the fixed surface 11 and the adhesive width t as the width T of the fixed piece 13 of the lining plate B. The back material 2 and the fixed surface back surface 11a are bonded with an adhesive material S to form an exterior material A as shown in FIG. Of course, the end portion of the exterior material A formed in the insertion space Y1 of the end member Y forms this processing all, but the adhesive material S is used in a portion where strong wind does not blow or a portion where rainwater does not hit. In some cases, it may not be formed.

Here, the method of forming the exterior material A on the vertical joint portion will be described with respect to the construction method of the end portion waterproof structure of the exterior material according to the present invention. First, the laying board B of the end member Y as shown in FIGS. 5A to 5C is vertically fixed to the housing α.

When the construction of the plurality of mats B is completed, as shown in FIGS. 1 (a) and 1 (b), the exterior material in which the adhesive material S is processed on both ends of the exterior material A as shown in FIG. Prepare a plurality of A, and connect the male connecting portion 4 and the female connecting portion 5 of the exterior material A between the base plate B formed on the vertical joint portion from the base toward the eaves, and the fixing surface 11. Construction is performed by sequentially performing the process of fixing with the fixture β.

When the construction of the exterior material A is completed, the sealing material P1 is constructed with no gap between the end portion of the exterior material A and the engaging portion 14 of the lining plate B. Finally, the cover material C is engaged with the engaging portion 16 of the mating plate B and the engaging portion 16 is engaged to complete the construction.

What has been described above is only one embodiment of the end waterproof structure of the exterior material according to the present invention, and the exterior material A as shown in FIGS. 10 (a) to 10 (c) to FIG. Those shown in (a) to (c) can also be used.

That is, FIGS. 10A to 10C are cross-sectional views showing other examples of the decorative surface 4 of the exterior material A, and FIG. 11 is an adhesive S in which the ends of the fixed surface 11 and the back material 2 are L-shaped. 12 is the exterior material A in which the fixed surface 11 at the end of the exterior material A and the back surface material 2 are adhered in a planar shape.

FIGS. 13A to 13C are cross-sectional views showing other examples of the end member Y formed as a projected corner material, a cornered material, and a parting material (stopping material).

α frame β fixing device A exterior material B cover plate C cover material K gap P sealing material P1 sealing material R rainwater S adhesive material Y end member Y1 insertion material 1 surface material 2 back surface material 3 core material 4 male connector 5 female Mold connection portion 6 decorative surface 7 engaging groove 8 engaging piece 9 engaging groove 10 engaging piece 11 fixing surface 11a fixing surface back surface 12 back surface material extension portion 13 fixing piece 14a locking piece 15 decorative piece 16 engaging portion 16a Piece

Claims (1)

A long end member having a U-shaped insertion space between a flat fixed piece and a decorative piece, a vertical decorative face, a male connecting portion at the lower end, and a female connecting portion at the upper end In the structure of both ends of a horizontally long long exterior material filled with a core material between the surface material and the back material, the male joint is engaged with the lower end of the decorative surface recessed upward in a U shape It is formed from a groove and an engagement piece formed by the engagement groove, and a fitting piece and a fixing surface are formed from a fitting groove having a U-shaped downward upper end of the decorative surface at the female connecting portion. The back material is integrated with the core material and stretched from the back surface of the fixed surface to the engagement piece, and the back material on the fixed surface at both ends in the longitudinal direction is greater than the width of the fixed piece of the end member. And the exterior material is connected to the top and bottom, and both ends of the exterior material are inserted into the insertion space of the end member. End waterproof structure of.

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