JP2000336782A - Flashing construction for insulated foundation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flashing construction between the bottom portion of an exterior wall having excellent durability and an insulated foundation. SOLUTION: An insulating member 12 is laid at the outer periphery of a foundation main body 11 of a building, a flashing construction of an insulated foundation 1 having a flashing member 7 is provided between the insulated foundation 1 and the bottom portion of the exterior wall 2 with a protective layer 13 is provided at its outer periphery, and the flashing member 7 comprises an attaching piece 71 raised at the rear surface side of the bottom portion of the exterior wall 2, a sloped piece 72 formed by sloping from the attaching piece 71 to the lower side, and a drooped piece 73 drooped to the end of the sloped piece. The sloped piece 72 and the drooped piece 73 are located at the position covering the surface side of the protective layer 13 by the sloped piece 72 and the drooped piece 73.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage structure for a heat-insulating foundation in which a heat-insulating material and a protective layer are provided at the lower end of the outer wall of the building and the outer periphery of the foundation.

[0002]

2. Description of the Related Art Generally, in a house or the like, rainwater transmitted through an outer wall is prevented from entering a room from a lower end surface of the outer wall.
Mortar or the like is filled in the gap between the lower end of the outer wall and the top end of the foundation, and the outer wall is sloped down (conventional technology 1).

[0003] In the above-mentioned prior art 1, in a unit building in which a building is formed into a substantially box shape by joining columns and beams,
Referring to FIG. 3, reference numeral 10 denotes a foundation, reference numeral 20 denotes an outer wall, reference numeral 50 denotes a frame which is a frame fixed to a back surface of the outer wall panel for attaching the outer wall panel to a building structure, reference numeral 60 denotes a floor beam, and reference numeral 70 denotes a floor beam. It is a joint piece that joins a column and a beam.
A gap between the lower end portion of the outer wall 20 and the mortar 90 is filled on the foundation 10, and the outer wall side is inclined downward to prevent infiltration of the rainwater 80.

In cold regions, etc., a heat insulating material is attached to the entire surface outside or inside the foundation of the building, and a heat insulating material is laid on the entire surface of the floor basement for the purpose of improving the moisture proof drying under the floor and the heat retaining effect under the floor in winter. There is known a moisture-proof and heat-insulating underfloor structure in which a protective layer such as mortar or concrete is provided on the upper part, and a plurality of underfloor ventilation holes are provided on the foundation (see Prior Art 2, Utility Model Publication No. 57-25925). ). In order to waterproof the heat insulating material outside the foundation, a protective layer such as mortar or concrete is provided thereon.

The prior art 2 will be described with reference to FIG. 2. Reference numeral 1 denotes a heat insulating foundation, which comprises a base body 11, a heat insulating material 12, and a mortar layer 13. 2 is an outer wall, 3 is a base, 4 is a floor joist, and 5 is a base material. Basic body 11
Heat insulating material 12 outside the mortar layer 13
Is provided. In order to waterproof the heat insulating material 12, a mortar layer 132 is also provided on the upper surface of the heat insulating material.

[0006]

However, the above-mentioned prior arts 1 and 2 have the following problems. That is, 1) there is a possibility that cracks such as shrinkage may occur due to the mixing of the mortar, and rainwater may enter from the cracked portion. 2) The mortar filling portion was cracked by receiving horizontal force, vibration, etc. from the upper structure of the building, and there was a risk of rainwater entering from the cracked portion. 3) When the mortar layer in the heat insulating foundation for a cold region is thin, it is liable to crack over time, and when it is thick, there is a fear that the mortar layer becomes a cold bridge and tends to cause dew condensation in winter.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a durable structure of a lower end of an outer wall and a heat insulating foundation which is excellent in durability and solves the above problems. It is.

[0008]

According to a first aspect of the present invention, there is provided a drainage structure for a heat insulating foundation, wherein a heat insulating material is laid on an outer periphery of a building base body, and a protective layer is provided on the outer periphery of the heat insulating foundation, and a lower end of an outer wall is provided. A draining structure of a heat insulating foundation provided with a draining material between the mounting piece, the draining material is erected on the back side of the lower end portion of the outer wall, and an inclined piece provided to be inclined downward from the mounting piece. And a hanging piece suspended from the end of the sloped piece, wherein the sloped piece and the hanging piece are provided at positions covering the surface side of the protective layer.

According to a second aspect of the present invention, there is provided a drainage structure of a heat insulating foundation, wherein a waterproof paper stretched in an outer wall is extended on a surface of the mounting piece of the drainage material and joined by an adhesive. Features.

In the drainage structure of the heat insulating foundation according to the first aspect of the present invention, the drainage member is provided on the back surface side of the lower end of the outer wall, the mounting piece is provided, and the inclined piece is provided to be inclined downward from the mounting piece. It consists of a hanging piece hanging at the end of the piece, and the inclined piece and the hanging piece are provided at positions that cover the surface side of the protective layer, so waterproofing of the heat insulating material and waterproofing between the building body and the foundation are also performed. it can. This prevents rainwater from penetrating into the foundation and prevents dew formation in winter.

In the drainage structure of the heat insulating foundation according to the second aspect of the present invention, waterproof paper stretched in an outer wall is extended to the surface of the mounting piece of the drainage material and joined by an adhesive. Also, it is possible to reliably prevent rainwater from entering from the lower end of the outer wall.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1A is a cross-sectional view showing an embodiment of the drainage structure of the heat insulating foundation of the present invention, and FIG. 1B is a perspective view of a drainer. In FIG. 1, reference numeral 1 denotes a heat insulating foundation, a base body 11, a heat insulating material 12, and a mortar layer 13 as a protective layer.
Consists of 2 is an outer wall, an outer wall material 21 and a ventilation layer 22
Having. 3 is a base, 4 is a floor joist, 5 is a base material, 6 is a receiving bar, 7 is a drainer, 8 is waterproof paper, 9 is an adhesive layer, 10
Is a watertight material made of butyl rubber tape.

As shown in FIG. 1A, the drainage structure of the heat insulating foundation 1 of the present invention is such that the mounting piece 71 of the long aluminum drainer 7 shown in FIG. It is inserted between the waterproof paper 8 extending from the back side and the receiving bar 6, and is joined to the waterproof paper 8 by the adhesive 9 attached to the front side of the mounting piece 71. . A butyl rubber tape 10 is adhered as a watertight material to the back side of the hanging piece 73 of the drainer 7 (the mortar layer side of the heat insulating foundation), and is pressed against the mortar layer 13 of the heat insulating foundation 1 to be in a watertight state.

(Operation of the Embodiment) Attaching piece 7 of drainer 7
1 and the waterproof paper 8 are joined by the adhesive material 9,
Since the infiltration of rainwater from the lower end of the outer wall 2 to the indoor side is prevented, the hanging pieces 73 of the drainer 7 and the mortar layer 13 of the heat insulating foundation 1 are held watertight by the watertight material 10 of butyl rubber tape. Rainwater is prevented from entering the heat insulating foundation 1. Further, since the drainer 7 uses an aluminum mold material having excellent weather resistance and design properties, it is more durable than the conventional protective layer made of a mortar layer, and also has excellent appearance and design. Further, by providing a molding material (not shown) on the surface side of the draining material 7, the appearance and design can be further improved.

According to the first aspect of the present invention, there is provided a drainage structure for a heat insulating foundation, wherein a heat insulating material is laid on an outer wall of the building and an outer periphery of the foundation, and a protective layer is provided on the outer periphery.
A mounting piece where the draining material is erected on the back side of the lower end of the outer wall, and an inclined piece that is provided to be inclined downward from the mounting piece,
It consists of a hanging piece suspended from the end of the sloped piece, and the sloped piece and the hanging piece are provided at positions covering the surface side of the protective layer, so that the waterproofing of the heat insulating material and the waterproofing between the building body and the foundation are performed. You can also. Because it prevents rainwater from entering the foundation,
No condensation in winter.

In the drainage structure of the heat insulating foundation according to the second aspect of the present invention, waterproof paper stretched in the outer wall is extended to the surface of the mounting piece of the drainage material and joined by an adhesive. Also, it is possible to reliably prevent rainwater from entering from the lower end of the outer wall.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view showing an example of a draining structure of a heat insulating foundation of the present invention, and FIG.

FIG. 2 is a cross-sectional view of a conventional heat insulating foundation.

FIG. 3 is a sectional view showing a conventional draining structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulation foundation 11 Foundation main body 12 Insulation material 13 Mortar layer 2 Outer wall 21 Outer wall material 3 Base 4 Floor joist 5 Lower ground material 6 Receiving bar 7 Drainage material 8 Waterproof paper 9 Adhesive layer 10 Watertight material

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2D046 BA01 2E001 DA03 DD01 FA21 GA13 HB04 HC07 HF01 HF11 JD08 KA01 LA04 LA16 MA01 MA04

Claims (2)

[Claims] 1. A drainage structure of a heat-insulating foundation in which a heat-insulating material is laid on an outer periphery of a foundation body of a building, and a drainage material is provided between a heat-insulating foundation having a protective layer provided on the outer periphery thereof and a lower end of an outer wall. The draining material is composed of a mounting piece erected on the back surface side of the lower end of the outer wall, an inclined piece provided inclined downward from the mounting piece, and a hanging piece vertically provided at the end of the inclined piece, A draining structure for a heat insulating foundation, wherein the inclined piece and the hanging piece are provided at positions covering the surface side of the protective layer. 2. The drainage of a heat insulating foundation according to claim 1, wherein a waterproof paper stretched in an outer wall is extended to a surface of the attachment piece of the drainage material and joined by an adhesive. Construction.