JP2003074164A - Waterproof structure around opening and waterproof molded sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof structure around an opening, which facilitates and ensures waterproofness on the periphery of an opening frame without requiring bothersome substrate adjustment at a step portion. SOLUTION: The waterproof structure 10 around the opening is provided at the window opening 12 formed in an outer wall, and square timbers 14 for setting a sash frame is arranged on the periphery of the window opening. An outer wall substrate 15 extends to a midpoint of an outer surface of the square timber 14 in a manner being spaced away from the set sash frame 13. Then, a waterproof molded sheet 21, 22 which has a three-dimensional shape with an almost Z-shaped cross section, is brought into intimate contact with the periphery of the window opening 12 over an area from an end of the outer wall substrate 15 covered with a waterproof sheet 16, along an end face 19 of the outer wall substrate 15 and an outer surface of a square timber 24 at an intermediate portion 20 over which the outer wall substrate 15 is not extended, to the set sash frame 13. Further, the waterproof sheet 16 is laid along the waterproof molded sheet 21, 22 as far as the sash frame 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure around a rectangular opening formed on an outer wall and a waterproof molded sheet.

[0002]

2. Description of the Related Art Openings for windows, doors, ventilation holes, etc., may be formed in the outer wall of a building, and such openings may have openings such as sashes. An opening frame is attached so that the peripheral edge portion of the opening can be accommodated and finished well. Further, the opening frame is fixed to a square bar for installing the opening frame provided around the opening via fixing nails or the like, but it is important to ensure waterproofness around the opening frame.

According to the conventional waterproof structure around the opening in which the sash frame 53 in the window opening 54 is attached, for example, a side sectional view ((a)) and a plan sectional view ((b)) are shown in FIG. As shown by, since the outer wall base material 51 when the front side of the outer wall is finished with the mortar 50 is covered with the waterproof sheet 52,
A method has been adopted in which the waterproof sheet 52 is extended to the sash frame 53 and bonded to the sash frame 53, and a sealing 54 or a waterproof tape is applied to the bonded portion.

For this reason, the step portion 55 between the end face of the outer wall base material 51 and the edge of the window opening 59 is arranged so that the mounting surface of the sash frame 53 is flush with the outer wall base material 51. The base adjusting material 56 is provided on the sash frame 53 and the outer wall base material 5
The thickness of 1 is provided outside and provided with the base adjusting material 5
The sash frame 53 is fixed to the square frame 57 for installing the opening frame through 6, and thereafter the end of the outer wall base material 51 and the base adjusting material 56 are covered with a waterproof tape 58, and the waterproof tape 58 is covered to be waterproof. A method of laying the sheet 52 evenly up to the sash frame 53 has been adopted.

However, according to the above-described conventional waterproof structure around the opening, it takes a lot of time and effort to adjust the step adjusting portion 55 to be flatly filled with the base adjusting material 56, and
The cost for internal work materials etc. becomes high, and lath board,
There has been a problem that a material and a housing suitable for the type of the outer wall base material 51 such as a plywood and a wall panel are required and the number of members used increases.

The present invention has been made in view of such a conventional problem, and does not require time-consuming groundwork adjustment at the stepped portion and does not require a large amount of material, and waterproof around the opening frame. It is an object of the present invention to provide a waterproof structure around an opening and a waterproof molded sheet that can easily and surely secure the property.

[0007]

SUMMARY OF THE INVENTION The present invention is a waterproof structure around an opening provided in a rectangular opening formed in an outer wall, and a square bar for installing an opening frame around the opening. Is provided, the end portion of the base plate for the outer wall extends to the middle of the outer surface of the square bar at a distance from the opening frame installed through the square bar, and covers the base plate for the outer wall to be waterproof. A sheet is laid, and the end face of the outer wall base plate is covered with the waterproof sheet, the end face of the outer wall base plate and the outer surface of the square bar at the interval where the outer wall base plate is not extended. A waterproof molding sheet formed in a three-dimensional shape with a substantially Z-shaped cross section with a perpendicular crossing angle is closely arranged around the rectangular opening until the opening frame is installed. , And the waterproof sheet is provided on the opening frame along the waterproof molded sheet. By providing the waterproof structure of the opening around which characterized in that it is laid up to that it is obtained by achieving the above object (the invention according to claim 1).

According to the waterproof structure around the opening of the present invention,
Substantially Z in which the intersection angle is vertical and is installed at a corner of the opening.
It is preferable that the waterproof molded sheet having a V-shaped cross section is provided with an L-shaped planar shape that is closely arranged across both sides of the corner (the invention according to claim 2).

Further, the present invention is a three-dimensional waterproof molded sheet having a substantially Z-shaped cross section with a perpendicular crossing angle used for the waterproof structure around the opening, which is closely adhered to the end of the outer wall base plate. The upper contact piece, the lower contact piece that is in close contact with the gap, and the intermediate connecting piece that connects the upper contact piece and the lower contact piece in parallel and that is in close contact with the end surface of the outer wall base plate. The above object is achieved by providing a waterproof molded sheet, which is obtained by processing a sheet material having a rigidity capable of retaining a shape into a three-dimensional shape (the invention according to claim 3). ).

Further, according to the present invention, a waterproof molded sheet having a substantially Z-shaped cross section with perpendicular crossing angles installed at four corners of the opening used for the waterproof structure around the opening is formed. And an upper contact piece having an L-shaped planar shape in close contact with the end portion of the base plate for outer wall, a lower contact piece having an L-shaped planar shape in close contact with the spacing portion, an upper contact piece and a lower step. By connecting a contact piece in parallel and an intermediate connection piece having an L-shaped cross-section that is in close contact with the end surface of the outer wall base plate, a sheet material having rigidity capable of retaining the shape is processed into a three-dimensional shape. The above object is achieved by providing a waterproof molded sheet characterized by being obtained (the invention according to claim 4).

Further, according to the waterproof molded sheet of the present invention, it is preferable that an adhesive agent or an adhesive agent is applied to the contact surfaces of the upper contact piece, the lower contact piece and the intermediate connecting piece ( The invention according to claim 5).

[0012]

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The waterproof structure 10 around the opening of this embodiment is a side sectional view ((a)) in FIG.
And a window opening 1 as a rectangular opening provided on the outer wall 11 of the building, as shown in a plan sectional view ((b)).
2 is adopted as a waterproof structure around the sash frame 13 when the window sash frame 13 is attached as an opening frame.

According to the present embodiment, the rectangular window opening 12 is surrounded and the sash frame-installing square members 14 are vertically arranged in a pair in the horizontal direction and in the vertical direction in a pair on the right and left. Each of these timbers 14 is provided so as to extend.
In the middle of the step, the end portion of the outer wall base plate 15 made of, for example, a scratch panel (trade name, manufactured by Sumitomo Forestry Co., Ltd.) is extended, and the surface of the outer wall base plate 15 is covered to cover the waterproof sheet 16. Has been laid. Here, the base plate 1 for outer wall
The cracked panel constituting 5 includes a plurality of front side strip-shaped narrow width plates 17 arranged obliquely in parallel at intervals and a plurality of back side strip-shaped small width plates 18 arranged obliquely in parallel at intervals. Are joined and integrated in a state where they intersect with each other, and have a thickness of, for example, about 18 mm as a whole.

Further, according to the present embodiment, the waterproof sheet 1
From the end of the outer wall base plate 15 covered by 6,
The end surface 19 of the outer wall base plate 15 and the outer wall base plate 15
Along the outer surface of the square bar 14 of the spacing portion 20 which does not extend and which is a stepped portion, up to the installed sash frame 13 has a three-dimensional shape with a substantially Z-shaped cross section with a perpendicular crossing angle. The formed waterproof molding sheets 21 and 22 are closely arranged around the rectangular window opening 12, and the waterproof sheet 1 is arranged along the closely arranged waterproof molding sheets 21 and 22.
6, the waterproof sheet 16 is laid down to the sash frame 13.

The waterproof molded sheets 21 and 22 are sheet materials made of a plastic such as polypropylene having a thickness capable of retaining the shape and having a thickness of about 0.3 to 2.0 mm. It is a three-dimensional molded product obtained by processing into a three-dimensional shape having a substantially Z-shaped cross section by bending and the like. Further, according to the present embodiment, as the waterproof molded sheets 21 and 22, as shown in FIG. 2, the first waterproof molded sheets arranged at the respective intermediate portions of the four sides forming the rectangular window opening 12. Two types: a sheet 21 and a second waterproof molded sheet 22 having an L-shaped planar shape which is arranged at four corners of the window opening 12 so as to extend over two sides sandwiching the corner. Is formed.

As shown in FIG. 3, the first waterproof molded sheet 21 has an upper contact piece 21a that is in close contact with the end portion of the outer wall base plate 15 and a lower contact piece 2 that is in close contact with the gap portion 20.
1b and an intermediate connecting piece 21c that connects the upper contact piece 21a and the lower contact piece 21b in parallel and is in close contact with the end surface 19 of the outer wall base plate 15. On the other hand, the second waterproof molded sheet 22 has an L-shaped upper contact piece 22 a in plan view which is in close contact with the end portion of the outer wall base plate 15 and the gap portion 20.
The L-shaped lower contact piece 22b that has a planar shape in close contact with
The upper contact piece 22a and the lower contact piece 22b are connected in parallel to each other, and include an intermediate connection piece 22c having an L-shaped cross section that is in close contact with the end surface 19 of the outer wall base plate 15.

Further, according to this embodiment, the upper contact pieces 21a and 22a and the lower contact piece 21 which constitute the first waterproof molded sheet 21 and the second waterproof molded sheets 21 and 22 are formed.
b, 22b, and the contact surfaces of the intermediate coupling pieces 21c, 22c on the back surface side, these waterproof molded sheets 21, 22 are previously formed.
During the molding of these, or these waterproof molded sheets 21, 2
It is possible to apply an adhesive or a pressure-sensitive adhesive at the time of attaching 2, so that the first waterproof molding sheet 21 and the second waterproof molding sheet 22 can be easily adhered to the peripheral portion of the window opening 12. It becomes possible to arrange.

These waterproof molded sheets 21,
As shown in FIG. 2, the portions 22 are connected to each other in the circumferential direction along the peripheral edge of the window opening 12 while overlapping their ends. That is, the upper contact pieces 21a and 22a, the lower contact pieces 21b and 22b, and the intermediate connecting pieces 21c and 22c are
The upper contact pieces 21a and 22a are held in a bent state so as to form a three-dimensional shape having a substantially Z-shaped cross section with a perpendicular crossing angle.
The end portion of the outer wall base plate 15 is connected to the intermediate connecting piece 21c,
22c is used to attach the end face of the outer wall base plate 15 to the lower contact piece 2
The gap portions 20 are closely attached while being covered by 1b and 22b, respectively, and are arranged so as to be connected without gaps along the peripheral edge portion of the window opening 12.

In the above description, the waterproof molded sheets 21 and 22 formed in a three-dimensional shape having a substantially Z-shaped cross section with a perpendicular crossing angle are preliminarily crossed at the stage of molding the waterproof molded sheets 21 and 22. It is not always necessary to strictly maintain the three-dimensional shape of the substantially Z-shaped cross section where the corners are vertical. For example, by providing a crease line, etc., from the time it is molded until it is attached to the window opening 12 Even if the three-dimensional shape is deformed, it is sufficient if the three-dimensional shape having a substantially Z-shaped cross section with a perpendicular crossing angle can be easily and firmly held when it is attached to the window opening 12. The waterproof molded sheets 21 and 22 having such a form are also included in the present invention.

The waterproof structure 10 of this embodiment is provided with a window opening 12
1A and 1B, the fixing nail 23 is provided around the sash frame 13 without sashing the sash frame 13 to the outside.
Drive the sash frame 13 into the square member 14 for installing the sash frame.
After directly fixing, the waterproof molded sheets 21 and 22 are adhered from the end portion of the outer wall base plate 15 to the sash frame 13 along the end surface 19 of the outer wall base plate 15 and the outer surface of the square bar 14 of the spacing portion 20. Deploy. Next, the waterproof sheet 16 is extended and laid down to the sash frame 13 along the surfaces of the waterproof molded sheets 21 and 22 that are closely arranged, and the waterproof molded sheets 21 and 22 are provided at the ends thereof. The sealing 24 is applied while the end portion of the sash is rolled up, and the end portion is joined to the sash frame 13. Thereafter, the outer wall surface around the sash frame 13 is finished by applying, for example, mortar 25 as an outer wall finishing material on the surface side of the waterproof sheet 16.

According to the waterproof structure 10 around the opening of the present embodiment, the waterproof property around the opening frame can be easily and reliably ensured without requiring time-consuming adjustment of the base and without requiring a large amount of material. Can be secured. That is, according to the present embodiment, the waterproof molding is closely arranged from the end portion of the outer wall base plate 15 to the sash frame 13 along the end face 19 of the outer wall base plate 15 and the outer surface of the square bar 14 of the gap portion 20. By using the sheets 21 and 22, it becomes possible to extend the waterproof sheet 16 up to the sash frame 13 without adjusting the base of the stepped portion of the spacing portion 20, and at the same time, the prevention sheet 16 is formed at a right angle. The instability of the waterproof function due to the difficulty of bending and the inability to adhere closely along the stepped portion of the spacing portion 20 is compensated for by the waterproof function of the waterproof molded sheets 21 and 22 closely attached along the stepped portion. Therefore, it becomes possible to easily obtain reliable waterproofness.

In this embodiment, the outer wall base plate 15 is also used.
As the cracked panel, which has a considerable thickness and has a corresponding opening portion on the end face, is used as the waterproof molded sheets 21 and 22 for appropriately adjusting the widths of the intermediate connecting pieces 21c and 22c. Thus, the thickness of the outer wall base plate 15 can be easily adjusted, and the outer wall base plate 15 can be easily and closely arranged on the end surface of the flaw panel to easily cover the opening portion of the end surface without a gap. .

The present invention is not limited to the above embodiment, and various modifications can be made. For example, the present invention
The present invention is not limited to the window opening, and can be applied to various other openings such as doors and ventilation openings to which the opening frame is attached. Further, the square frame for installing the opening frame provided around the opening does not necessarily need to be provided in the horizontal direction or the vertical direction along each side of the rectangular opening, and may intersect with each side of the opening. It may be provided in the direction to do. Furthermore, it is not always necessary to apply an adhesive or a pressure-sensitive adhesive to the contact surface of the waterproof molded sheet, and the waterproof molded sheet can be attached in a tight contact state using a tacker or the like. Furthermore, the waterproof molded sheet does not necessarily have to be made of a plastic sheet material such as polypropylene, and as the sheet material having rigidity capable of retaining the shape, for example, asphalt felt, resin laminated nonwoven fabric, resin-impregnated paper. It can also be used after being processed into a three-dimensional shape.

[0024]

As described above in detail, according to the waterproof structure around the opening and the waterproof molded sheet of the present invention, it is possible to eliminate the need for a troublesome base adjustment in the step portion.
Moreover, it is possible to easily and surely secure the waterproof property around the opening frame without requiring a lot of materials.

[Brief description of drawings]

FIG. 1A is a side sectional view of a window opening for explaining a configuration of a waterproof structure around an opening according to an embodiment of the present invention,
(B) is the same plane sectional view.

FIG. 2 is a schematic perspective view for explaining a mounting state around the opening of the waterproof molded sheet.

FIG. 3 is a cross-sectional view illustrating a mounting state around the opening of the waterproof molded sheet.

FIG. 4A is a side sectional view of a window opening for explaining the configuration of a conventional waterproof structure around an opening, and FIG. 4B is a plan sectional view of the same.

[Explanation of symbols]

10 Waterproof structure around the opening 11 building exterior 12 Window openings (openings) 13 Sash frame (opening frame) 14 Timber for installing sash frame 15 Base plate for outer wall 16 tarpaulin 17 Front side strip narrow board 18 Back side narrow strip 19 End face of base plate for outer wall 20 intervals 21 First waterproof molded sheet 22 Second waterproof molded sheet 21a, 22a Upper contact piece 21b, 22b Lower contact piece 21c, 22c Intermediate connecting piece 23 Fixed nail 24 ceiling 25 mortar

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tomoko Imai             4-7 28 Kitahama, Chuo-ku, Osaka City, Osaka Prefecture             Sumitomo Forestry Co., Ltd. F-term (reference) 2E001 DA01 EA08 FA04 FA32 GA24                       HD00 MA01 MA04                 2E011 LA02 LB02 LC01 LD01 LE03                       LF06                 2E110 AA14 AB22 AB50 BA12 CA03                       CA23 DD01 GA32Y GA33W

Claims (5)

[Claims] 1. A waterproof structure around an opening provided in a rectangular opening formed on an outer wall, wherein a square for installing an opening frame is provided around the opening. An end portion of the outer wall base plate is extended to the middle of the outer surface of the square timber at a distance from the opening frame installed via, and a waterproof sheet is laid to cover the outer wall base plate, From the end portion of the outer wall base plate covered by the waterproof sheet, along the end face of the outer wall base plate and the outer surface of the square bar at the interval where the outer wall base plate does not extend, A waterproof molding sheet formed in a three-dimensional shape with a substantially Z-shaped cross-section with a vertical crossing angle extending up to the opening frame is closely arranged around the rectangular opening, and That the waterproof sheet is laid down to the opening frame. Waterproof structure of the opening around which the symptoms. 2. A waterproof molded sheet having a substantially Z-shaped cross section in which the crossing angle is vertical and installed at a corner of the opening is closely arranged across both sides of the corner. The waterproof structure around the opening according to claim 1, wherein the waterproof structure has a letter-like planar shape. 3. A waterproof molded sheet having a three-dimensional shape with a substantially Z-shaped cross section having a vertical crossing angle, which is used for the waterproof structure around the opening according to claim 1, and which is provided on an end portion of the outer wall base plate. From an upper contact piece that is in close contact, a lower contact piece that is in close contact with the gap, and an intermediate connecting piece that connects the upper contact piece and the lower contact piece in parallel and that is in close contact with the end surface of the outer wall base plate. And a molded sheet for waterproofing, which is obtained by processing a sheet material having rigidity capable of retaining a shape into a three-dimensional shape. 4. A three-dimensional waterproof molding having a substantially Z-shaped cross section in which the crossing angles are vertical and which are installed at four corners of the opening used for the waterproof structure around the opening according to claim 2. In the sheet, an upper contact piece having an L-shaped planar shape that is in close contact with the end portion of the base plate for outer wall, a lower adhesive piece having an L-shaped planar shape that is in close contact with the gap portion, and an upper adhesive piece. A three-dimensional processing of a sheet material having a rigidity capable of holding the shape, which is composed of an intermediate connecting piece having an L-shaped cross section which is connected to the lower contact piece in parallel and is in close contact with the end surface of the outer wall base plate. A molded sheet for waterproofing, which is obtained by 5. The waterproof molded sheet according to claim 3, wherein an adhesive or a pressure-sensitive adhesive is applied to the contact surfaces of the upper contact piece, the lower contact piece, and the intermediate connecting piece.