JP2011208425A - External facing material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for repairing a decorative surface of an external facing material formed with irregularities forming external facing of a building or a structure.SOLUTION: In the horizontal attachment-type long external facing material A, a core material 3 is infilled between a backside material 2 and a front-side material 1 which is formed with the vertical plane-like decorative surface 6, which has a male coupling portion 4 formed at a lower end and which has a female coupling portion 5 formed at an upper end. The male coupling portion 4 is formed from an engaging groove 7 which is formed by upward depressing a lower end of the decorative surface 6 in a U-shape, and an engaging piece 8 which is formed from the engaging groove 7. In the female coupling portion 5, a fitting piece 10 and a fixing surface 11 are formed from a fitting groove 9 which is formed by downward depressing an upper end of the decorative surface 6 in a U-shape. The backside material 2 is integrated with the core material 3. The external facing material A is formed by attaching portions ranging from the top of the backside of the fixing surface 11 to the engaging piece 8. The backside materials 2 on the fixing surfaces 11 at both longitudinal ends are notched with a constant width.

Description

The present invention relates to an exterior material for forming 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 horizontal surface in which a core is filled between a vertical decorative face, a front surface material having a male connection portion at the lower end, and a female connection portion at the upper end and a back surface material. In the elongated long-shaped exterior material, the male connecting portion is formed of an engagement groove having a lower end of the decorative surface recessed upward in a U-shape and an engagement piece formed by the engagement groove. The mold connecting part is formed with a fitting piece and a fixing surface from a fitting groove recessed in a U-shape downward on the upper end of the decorative surface, and the back surface material is integrated with the core material and is engaged from above the fixing surface. An exterior material formed by stretching up to a piece, wherein a back material on a fixed surface at both ends in a longitudinal direction is cut out with a certain width.

According to the exterior material according to the present invention, since the back surface material at both end portions in the longitudinal direction is formed by notching the fixed surface with a certain width, (1) rain water that has entered the interior by any chance passes through the back material of the exterior material. Intrusion into the housing. (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 representative example of the exterior material which concerns on this invention. It is a perspective view which shows the representative example of the exterior material which concerns on this invention. It is sectional drawing which shows the construction state of the exterior material which concerns on this invention. It is sectional drawing which shows the construction state of the exterior material which concerns on this invention. It is sectional drawing which shows an example of the end member which constructs the exterior material which concerns on 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 which concerns on this invention. It is explanatory drawing which shows the processing order of the exterior material which concerns on this invention. It is explanatory drawing which shows the processing order of the exterior material which concerns on this invention. It is a perspective view which shows the other Example of the exterior material which concerns on this invention. It is a perspective view which shows the other Example of the exterior material which concerns on this invention. It is a perspective view which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the end member which constructs the exterior material which concerns on this invention.

Hereinafter, an embodiment of an exterior material according to the present invention will be described in detail with reference to the drawings. 1A and 1B are cross-sectional views showing an embodiment of an exterior material according to the present invention. FIG. 2 is a perspective view showing an embodiment of the exterior material according to the present invention. An exterior material A in which a back material 2 sandwiches a core material 3 made of, for example, a synthetic resin foam. 3 (a), 3 (b), 4 (a), and 4 (b) are cross-sectional views showing a construction state of the exterior material according to the present invention, and FIG. Sectional drawing and (b) figure are bb part sectional drawings of (a) figure.

As an example of the overall shape of the exterior material A, as shown in FIGS. 1 (a), 1 (b), and 2, 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 members A are connected as shown in FIG. 3B by engaging pieces 8 to the fitting grooves 9 and fitting pieces 10 to the engaging grooves 7.

Reference numeral 12a denotes a notch, which cuts the back material 2 with a constant width t and removes the gap K between the back material 2 and the fixed surface 11 at both ends of the exterior material A. Note that the width t of the notch 12a has a relationship of t ≧ T with the width T of the fixed piece 13 of the base plate B. As shown in FIGS. 4 (a) and 4 (b), rainwater R enters the interior of the housing α. In such a case, the rainwater R flowing on the fixed piece 13 of the slat board B flows down on the fixed piece 13 of the slat board B as it is because there is no gap K.

S is an adhesive, as shown in FIG. 2, formed at the end of the back material 2 formed with the cutouts 12a at both ends of the exterior material A, formed in the gap K between the fixed surface 11 and the back material 2, Bonds the fixed surface 11 and the back surface material 2 so that when the rainwater R enters the interior of the housing α, the adhesive S portion becomes a breakwater and the rainwater R does not enter the gap K. It is a thing. Of course, it is also useful for preventing flapping at both ends of the back material 2 and preventing turning.

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.

The processing method of the exterior material A is demonstrated using FIG. 1 (a), (b), FIG. 2, and FIGS. First, as shown in FIG. 8, cutting is performed as shown in FIG. 9 with the length H of the fixing surface 11 and the cutting width t with the width T of the fixing piece 13 of the lining plate B. Next, as shown in FIG. 10, the back material 2 is turned upside down, and the back material 2 and the fixed surface back surface 11a are bonded together 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 in all, but the notch 12a is formed in a portion where strong wind does not blow or 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 joints will be described with respect to the exterior material construction method 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 laying boards B is completed, as shown in FIGS. 3 (a) and 3 (b), the exterior material A in which notches 12a are applied to both ends of the exterior material A as shown in FIG. Prepare a plurality of sheets, and connect the male connecting part 4 and the female connecting part 5 of the exterior material A from the base to the eaves between the slats B formed on the vertical joints, and the fixing surface 11 Construction is performed by sequentially performing the fixing process using 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 example of the exterior material according to the present invention, and the exterior material A as shown in FIGS. 11 (a) to 11 (c) to FIG. Those shown in (c) can also be used.

That is, FIGS. 11A to 11C are cross-sectional views showing other examples of the decorative surface 4 of the exterior material A, and FIG. 12 is an adhesive S in which the ends of the fixed surface 11 and the back surface material 2 are L-shaped. FIG. 13 shows the exterior material A formed by making the width t of the notch 12a larger than the width T of the fixed piece 13 of the base plate B. FIG.

FIGS. 14A to 14C are cross-sectional views showing other examples of the end member Y formed as a protruding corner material, a corner 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 connecting portion 6 decorative surface 7 engaging groove 8 engaging piece 9 fitting groove 10 fitting piece 11 fixing surface 11a fixing surface back surface 12 back surface material extension 12a notch 13 fixing piece 14a locking piece 15 decorative piece 16 engagement Part 16a engagement piece

Claims (1)

In a vertical face-shaped decorative surface, a male-type connection in a horizontal type long exterior material in which a core material is filled between a surface material and a back surface material in which a male connection part is formed at the lower end and a female connection part is formed at the upper end. The lower end of the decorative surface is formed in the upper portion with an engagement groove that is recessed in a U-shape upward, and the engagement piece formed by the engagement groove. A fitting piece and a fixing surface are formed from a fitting groove recessed in a letter shape, and the back material is integrated with the core material, and the exterior material formed by stretching from the back surface of the fixing surface to the engagement piece is long. An exterior material, characterized in that a back material on a fixed surface at both ends in a direction is cut out with a certain width.

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