JP2013227758A - Lower end structure of external wall material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lower end structure of an external wall material, which is used in a foundation part of the external wall material in architectural and building structures.SOLUTION: In the lower end structure of an external wall material C having a drainboard A formed therein, a space between a protruding piece 12 at a lower end of the external wall material C that has a male-female connecting structure formed therein and is horizontally stretched, and the drainboard A is filled with a sealing material E.

Description

  The present invention relates to a structure of a lower end portion of an outer wall material used for a base portion of an outer wall material of a building or a structure.

  In general, when constructing a horizontal outer wall material, a starter / seal receiving member is formed on the foundation part of the foundation, and the starter / seal receiver is placed between the foundation part and the outer wall material so that wind and rain do not enter the housing. A structure for forming a sealing material between a member and a base part is marketed. (For example, refer to Patent Documents 1 and 2).

JP-A-11-310966 Patent No. 3448219

  However, Patent Documents 1 and 2 are structures in which a sealing material is formed between the starter / seal receiving member and the base part, and wind and rain enter the back of the outer wall material from between the outer wall material and the starter / seal receiving member. There was a problem of promoting deterioration of the material.

  In order to solve such disadvantages, the present invention provides a lower end structure in which a drainage is formed. A lower end structure is provided.

  According to the structure of the lower end portion of the outer wall material according to the present invention, (1) preventing the formation of a gap reaching the housing at the lower end portion between the drainer, the starter / seal receiving member, and the outer wall material, Deterioration due to wind and rain can be prevented. (2) Pests such as insects do not enter the inside of the enclosure. (3) A sufficient adhesion surface can be secured and waterproofness can be maintained over a long period of time. There are features and effects.

It is sectional drawing which shows one Example of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows an example of the draining used for construction of the lower end part structure of the outer wall material which concerns on this invention, and a starter and seal | sticker receiving member. It is sectional drawing which shows an example of the outer wall material used for construction of the lower end part structure of the outer wall material which concerns on this invention. It is a partial expanded sectional view which shows an example of the outer wall material used for construction of the lower end part structure of the outer wall material which concerns on this invention. It is a partial expanded sectional view which shows an example of the outer wall material used for construction to the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the construction state of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the construction order of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the construction order of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the construction order of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the construction order of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the other Example of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the other Example of the lower end part structure of the outer wall material which concerns on this invention. It is sectional drawing which shows the other Example of the outer wall material used for construction of the lower end part structure of the outer wall material which concerns on this invention.

  Hereinafter, an embodiment of the lower end portion structure of an outer wall material according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view showing an embodiment of a lower end portion structure of an outer wall material according to the present invention, and FIG. 2 shows a drainer B and a starter / seal receiving member C used for construction of the lower end portion structure of the outer wall material according to the present invention. FIG. 3 is a cross-sectional view showing an example, FIG. 3 is a cross-sectional view showing an example of an outer wall material C used for construction of the lower end portion structure of the outer wall material according to the present invention, and FIG. 4 is used for construction of the lower end portion structure of the outer wall material according to the present invention. FIG. 5 is a partially enlarged sectional view showing an example of an outer wall material used. FIG. 5 is a partially enlarged sectional view showing an example of an outer wall material C used for construction in the lower end structure of the outer wall material according to the present invention. It is sectional drawing which shows the construction state of the lower end part structure of an outer wall material. Α is a housing, β is a fixture, and γ is a base.

  A is a drainer, and as shown in FIG. 2A, a substantially vertical flat fixed surface A1, an inclined surface A2 that protrudes with the lower end of the fixed surface A1 inclined to the outdoor side, and the tip of the inclined surface A2 Is a long member formed from a decorative surface A3 that hangs downward, and is formed at the lower end of the base portion of the housing α as shown in FIG.

  As the material, for example, 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 (damping steel plate etc.), etc. It is a metal plate material (including, of course, color plates and embossed plates coated with various colors).

  As shown in FIG. 2B, the starter / seal receiving member B has a vertical flat fixed surface B1, a lower surface B3 projecting the upper end of the fixed surface B1 outward, and a front end of the lower surface B3 projecting upward. A locking portion B2 formed from a locking surface B4 and a tongue surface B5 obtained by folding the tip of the locking surface B4 downward, a contact surface B6 protruding from the lower end of the fixed surface B1 to the outdoor side, and a tip of B6 Is a long member formed from a receiving surface B7 which is inclined upward and protrudes on the outdoor side, and is formed on the fixed surface A1 of the drainer A as shown in FIG.

  As the material, for example, 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 (damping steel plate etc.), etc. It is a metal plate material (including, of course, color plates and embossed plates coated with various colors).

The engaging portion B2 of the starter / seal receiving member B engages a fitting surface 21 on the male connecting portion 4 side of the outer wall material C, which will be described later, thereby fixing the male connecting portion 4 of the outer wall material C to the housing α. Part.

  The contact surface B6 and the receiving surface B7 of the starter / seal receiving member B function as an embedded base of the backup material D and the sealing material E as shown in FIG. In particular, the receiving surface B7 is inclined upward and protrudes to form a space K in which the sealing material E can be embedded in the back surface portion of the protruding piece 12 of the outer wall material C, and between the outer wall material C and the starter / seal receiving member B. The sealing material E can be embedded.

  By forming in this way, the formation of a gap reaching the housing α at the lower end between the drainer A, the starter / seal receiving member B, and the outer wall material C is prevented, and the outer wall material C and the housing α are deteriorated by wind and rain. Can be prevented. Note that the height of the contact surface B6 from the tip of the engaging portion B2 of the starter / seal receiving member B to H, the width from the fixed surface B1 to the receiving surface B7, W, and the fitting of the male connecting portion 4 of the outer wall material C When the height from the groove 24 to the tip of the protruding piece 12 is h, and the width from the back surface of the outer wall material C to the back surface of the protruding piece 12 is W1, the relationship is H ≦ h and W ≦ W1.

  The outer wall material C is a long material in which a core material 3 made of a synthetic resin foam is sandwiched between a surface material 1 and a back material 2, and a male connecting portion 4 and a female connecting portion 5 are formed at the upper and lower ends in the width direction. As shown in FIGS. 3, 4 (a), (b), FIG. 5, and FIG. 6, the surface material 1 is a front male part 1 a at the lower edge of the decorative surface a, and the upper edge of the decorative surface a. The front male part 1a is formed by bending the lower end edge of the surface material 1 to the indoor side and extending upward, and the lower edge 6 and the lower end part of the surface material 1 A cover portion 7, an innermost edge 8 where the tip of the lower edge 6 is bent indoors, an upper edge 9 where the tip of the innermost edge 8 is suspended downward, a lower edge 6, an innermost edge 8 and an upper edge 9, an engaging groove 10 formed by bending the tip of the upper edge 9 toward the indoor side, a lower edge 6, a cover portion 7, and a projecting piece 12 made of the core material 3. .

  The front female part 1b has a step piece 13 in which the upper edge of the surface material 1 is bent indoors, a fixing piece 14 that protrudes upward from the tip of the step piece 13, and a fixing in which the middle of the fixing piece 14 is recessed indoors. A groove 15, a lower piece 16 that is bent downward toward the indoor side and hanging downward, an engagement piece 17 formed from the fixed piece 14 and the lower piece 16, and a distal end of the lower piece 16 at the indoor side It is formed from the contact piece 18 which protruded in the direction.

  As shown in FIGS. 3, 4 (a), (b), 5 and 6, the back material 2 is formed by forming a back male part 2a at the lower end edge and a back female part 2b at the upper end edge. The male part 2a is a fitting surface formed by a lower side surface 19 in which the lower end edge of the back material 2 is bent outward, an inner side surface 20 in which the tip of the lower side surface 19 is bent upward, and the lower side surface 19 and the inner side surface 20. 21, innermost surface 22 with the tip of inner surface 20 bent outward, outer surface 23 with the tip of innermost surface 22 hanging downward, inner surface 20, innermost surface 22, and outer surface 23. It is formed from the formed fitting groove 24 and a contact surface 25 where the tip of the outer surface 23 is bent outward.

  The back female portion 2b is a step 28 formed by an upper side 26 where the upper end edge of the back material 2 is bent outward, an inner side 27 where the tip of the upper side 26 is bent upward, and an upper side 26 and an inner side 27. The outer side 29 having the tip of the inner side 27 folded downward, the protruding side 30 formed from the inner side 27 and the outer side 29, and the abutting side 31 bent from the tip of the outer side 29 to the outdoor side. Formed.

  The male engagement piece 32 is formed by the upper edge 9 of the surface material 1, the contact edge 11, the outer surface 23 of the back material 2, the contact surface 25, and the core material 3. The groove 33 is formed by the lower piece 16 of the surface material 1, the contact piece 18, the outer side 29 of the back material 2, the contact side 31, and the core material 3. Although not shown, side tape is formed on the core material 3 portion of the male engagement piece 32 and the female engagement groove 33 so that the core material 3 does not leak outside when the core material 3 is filled.

  1c is an edge piece, and the surface material 1 at the left and right ends in the longitudinal direction of the outer wall material C is bent toward the indoor side. In addition, the edge part of the surface material 1 can also be bent in L shape, and it can also be set as the edge part piece 1c.

P and P1 are sealing materials, which are formed to improve fire resistance, waterproofness, airtightness, and the like. For example, typical and elastic sealing materials P and P1 are generally commercially available such as polyvinyl chloride, chloroprene, chlorosulfonated polyethylene, ethylene propylene, asphalt impregnated polyurethane, EPM, EPDM, and the like. Is. Further, as the curable sealing material P (sealing material), silicone type (reaction curable type, moisture curable type), modified silicone type (reactive curable type), polysulfide type (reactive curable type), polyurethane type (reactive curable type, Moisture curable type), SBR type (dry curable type), acrylic type (dry curable type), etc. are mainly useful as functions of waterproofing material, airtight material and the like. Of course, flame retardants such as inorganic materials or flame retardants such as ammonium polyphosphate, aluminum hydroxide, phenol resin particles, carbon black, graphite (foamed and non-foamed) having fire resistance and fire resistance in these components. A fire-resistant sealing material mixed with a material may be used.

  Surface material 1 and outer wall material back surface material 2 are metal thin plates, such as iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, galbarium steel plate, enamel steel plate, clad steel plate, laminated steel plate (vinyl chloride steel plate, etc.), sandwich steel plate (Of course, including a color plate coated with various colors and an embossed plate) such as (damped steel plate) is formed into various shapes by roll molding, press molding, extrusion molding or the like. Further, as the back material 2, aluminum vapor-deposited paper, asbestos paper, craft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, It is also possible to use a laminate of one or more glass fiber nonwoven fabrics or the like, or a sheet-like product that has been subjected to a waterproof treatment or a flame retardant treatment.

  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., for example, a stock solution of resol type phenol, A curing agent and a foaming agent are mixed, discharged onto the back surface side of the surface material 1 or the back material 2, and heated 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 etc. can be mixed to improve fire resistance and fire resistance.

  Of course, any outer wall material C in which the protruding piece 12 of the lower end portion of the surface material 1 of the male connecting portion 4 is formed as the outer wall material C can be used for the lower end portion structure of the outer wall material according to the present invention.

D is a backup material, E is a sealing material E. Examples of the backup material D include polyvinyl chloride, chloroprene, chlorosulfonated polyethylene, ethylene propylene, asphalt impregnated polyurethane, EPM, EPDM, etc. It is commercially available. In addition, E is a sealing material E as a silicone (reaction curable type, moisture curable type), modified silicone type (reactive curable type), polysulfide type (reactive curable type), polyurethane type (reactive curable type, moisture curable type), It consists of SBR type (dry curing type), acrylic type (dry curing type), or the like.

  Then, the construction method of the lower end part structure of the outer wall material which concerns on this invention is demonstrated using drawing. First, a drainer A and a starter / seal receiving member B as shown in FIGS. 2 (a) and 2 (b) are applied to the housing α and the base γ as shown in FIG. 7, and then as shown in FIG. A long outer wall material C as shown in FIG. When the construction of the outer wall material C is completed, a backup material D is formed between the drainer A and the starter / seal receiving member B as shown in FIG. 9, and then the sealing material E is inclined surface A2 of the drainer A as shown in FIG. The contact surfaces B6 and B7 of the starter / seal receiving member B and the back surface of the protruding piece 12 of the outer wall material C are embedded, and the construction of the lower end portion of the outer wall material C is completed.

  What has been described above is only one embodiment of the lower end portion structure of the outer wall material according to the present invention, and can be formed as shown in FIGS.

  That is, FIG. 11 and FIG. 12 are sectional views showing other embodiments of the lower end portion structure of the outer wall material according to the present invention, and the starter / seal receiving member B is formed by two members of the starter Ba and the seal receiving member Bb. Is.

  FIG. 13 is a cross-sectional view showing another embodiment of the outer wall material C, in which an inorganic refractory material F is formed.

α frame β fixing tool γ base a decorative surface A draining surface A1 fixed surface A2 inclined surface A3 decorative surface B starter and seal receiving member B1 fixed surface B2 engaging portion B3 lower surface B4 engaging surface B5 tongue surface B6 abutting surface B7 receiving surface Ba Starter Bb Seal receiving member C Outer wall material C1 End D Backup material E Sealing material F Inorganic refractory material K Space P Sealing material P1 Sealing material 1 Surface material 1a Front male part 1b Front female part 1c End piece 2 Back material 2a Back Male part 2b Back female part 3 Core material 4 Male connection part 5 Female connection part 6 Lower edge 7 Cover part 8 Deepest edge 9 Upper edge 10 Engaging groove 11 Contact edge 12 Projection piece 13 Step piece 14 Fixing piece 15 Fixed groove 16 Lower piece 17 Engagement piece 18 Contact piece 19 Lower side surface 20 Inner side surface 21 Fitting surface 22 Outermost surface 23 Outer side surface 24 Fitting groove 25 Contact surface 26 Upper side 27 Inner side 28 Step 29 Outer side 30 Protruding side 31 Abutting side 3 Yugakarigohen 33 Mesugakarigomizo

Claims (1)

A lower end portion structure of an outer wall material, wherein a gap between a protruding piece at the lower end of a laterally stretched outer wall member forming a male-female connection structure and a drainer is buried with a sealing material in the lower end portion structure formed with a drainer.

Images