JPH04203152A - Waterproof member for corner part - Google Patents

Abstract

PURPOSE:To improve a waterproof function of a corner part by sticking the flat surface part of a base material made of asphalt waterproof paper to a flat surface member side, and sticking a corner material made of asphalt waterproof paper to two surfaces of a protruding member which constitutes the corner part. CONSTITUTION:A waterproof member 4 for corner part is constituted from a base material 5, corner material 6 and a sticking material 7. Next, the base material 5 and the corner material 6 are constituted from tape-shaped asphalt waterproof paper. Then the square asphalt waterproof paper in the base material 5 is cut (5a) at the central part, and two parts facing with regard to the cut line 5a are folded up to form folded-up parts 5c, 5c which are stuck to two surfaces of a sash crate. The parts other than the folded-up parts 5c, 5c are made as a flat surface part 5d which is stuck at a roof board side. Besides, the sticking material 7 is stuck at the base material 5 and the corner material 6 from the inside.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention is for waterproofing (rainproofing) corners of a skylight frame protruding from a roof sheathing board, corners of a lower part of a wall, etc. This invention relates to a waterproof member for corner portions.

[Prior Art] When installing a skylight on the roof of a house, etc., the frame of the skylight (projecting member) is provided to protrude from the roof roof board (flat member), and the frame and the field are connected. It is necessary to ensure waterproofness in this frame protrusion to prevent rainwater etc. from entering between the frame and the base plate.

Conventionally, waterproof structures for such skylights (roof-in blinds) have been proposed, for example, by the "
It is power.

In the former structure, a water return part with a cross-section shaped like a road is protruded over the entire width of the side surface of the skylight frame projecting from the roof on the water side. A drain board is installed on the roof of the screen, and the upper end of the drain board that extends from the water-side end of the drain board along the side surface of the window frame is connected to the groove (L-shaped) on the lower surface of the water return part. part).

Furthermore, in the latter structure, upwardly convex convex stripes are formed on the draining plate installed on the water side of the skylight so as to be inclined from the center portion to both sides toward the water surface side.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional waterproof structure, a water return part is provided on the water side, or a convex strip is provided in the drain part, so that rainwater etc. flowing from the water side is directed to the skylight frame. It only warps from the body and does not provide reliable waterproofness. In particular, it is difficult to obtain reliable waterproofness at the corner portion of the roof sheath board and the skylight frame body that projects from the sheath board.

The present invention aims to solve such problems,
It is an object of the present invention to provide a waterproofing member for a corner part having a simple structure capable of surely waterproofing the corner part of a projecting member such as a skylight.

[Means for Solving the Problems] In order to achieve the above object, the waterproof member for corner portions of the present invention is designed to waterproof the corner portion of a planar member and a protruding member provided to protrude from the planar member. The protruding member that forms the corner part is attached to the corner part from the outside by folding up two opposing parts across the cut line made from the center of the asphalt waterproof paper of a predetermined shape. (1) A base material having a folded-up portion attached to two sides thereof, and a portion other than the folded-up portion as a flat portion attached to the flat member side; (1) A corner material made of asphalt waterproof paper that is pasted from the outside and can cover two sides of the protruding member constituting the corner portion; It is characterized by consisting of an additional adhesive material that is attached to the material from the inside.

[Function] In the above-described waterproof member for a corner portion of the present invention, the flat portion of the base material is attached to the flat member side, and the folded-up portion and corner material of the base material are attached to the projecting member constituting the corner portion. By pasting it on two sides, the corners are covered and waterproofness is ensured. At this time, the vicinity of the incision start part of the incision line, which is structurally most likely to cause water leakage in this waterproof member, is covered from the inside with the reinforcing material, so there is no problem with the waterproofness of this part.

[Embodiments of the Invention] Hereinafter, a corner waterproof member as an embodiment of the present invention will be explained with reference to the drawings. FIG. 1 is a perspective view thereof;
Figure 2 is a plan view, Figure 3 is a view taken in the direction of arrow m in Figure 2, and Figure 4 is a plan view of the same.
The figure is a view in the direction of the ■ arrow in Figure 2, Figure 5 is an enlarged view of the V section in Figure 4,
FIG. 6 is a plan view for explaining the procedure for forming the base material.

In this embodiment, as will be described later with reference to FIGS. 7 to 9, the corner waterproof member 4 is attached to the roof sheathing board (flat member) 1 and the sash wooden frame (
A case in which it is used for waterproofing a corner portion (see FIG. 8) with a protruding member) 2 will be explained. In addition, as shown in FIGS. 8 and 9, a skylight main body 3 is attached to the upper part of the sash wooden frame 2.

As shown in FIGS. 1 to 4, the corner waterproof member 4 of this embodiment has a base material 5. Corner arrangement 6 and additional tape (
(Additional pasting material) 7. Among these, the base material 5 and the corner material 6 are made of tape-shaped asphalt waterproof paper as shown in FIG. This tape-shaped asphalt waterproof paper is composed of an outer rubberized asphalt-impregnated nonwoven fabric 8 and a rubberized asphalt adhesive layer 9, and a release paper io is pasted on the rubberized asphalt adhesive layer 9 when not in use.

Now, as shown in FIG. 6, the base material 5 is formed from a square asphalt waterproof paper. That is, a corner section is formed by cutting a score line 5a from the center of this asphalt waterproof paper and folding up two opposing parts across the score line 5a, respectively, along the dotted lines in Fig. 6. A folding portion 5c is attached to two sides of the satsushi wooden frame 2.

5c is formed, and these folded up parts 5c, 5
The portion other than c is a flat portion 5d that is attached to the roof board 1 side. In this embodiment, the tip of each folded-up portion 5c is cut off to an appropriate length as a cut-off portion 5b, depending on the height of the sash wooden frame 2 to which it is pasted.

The corner material 6 is formed from a rectangular asphalt waterproof paper whose sides are equal to the height and folded length (dotted line length in FIG. 6) of the folded portion 5C of the base member 5. 2～
As shown in FIG. 4, the folded-up portions 5c, 5c of the base member 5
It is attached from the outside to cover two sides of the sash wooden frame 2 forming the corner portion.

Further, the additional tape 7 is attached to the base material 5 and the corner material 6 from the inside (adhesive layer 9 side) centering around the vicinity of the start of the cut of the cut line 5a. There are some made by

Then, the base material 5. Corner arrangement 6
The overlapping portions of the additional tapes 7 are subjected to a crimping correction process so that there are no irregularities.

Next, the corner waterproof member 4 configured as described above is
The case where this is applied to the waterproof structure of a skylight will be explained with reference to FIGS. 7 to 9. The skylight applied here is as shown in Figs. 7 to 9.
The skylight main body 3 is attached to the sash wooden frame 2. Further, a waterproof sheet (such as rubber) 12 that can cover the entire side surface of the sash wooden frame 2 is attached to the skylight main body 3 and the sash wooden frame 2 using skylight screws 13 or the like.

In the waterproof structure of this embodiment, first, as shown in FIG.
With the tarpaulin sheet 12 turned upward, the roof board 1
The roofing 11 laid on top is cut by a cutter 15 according to the position of the opening 1a, and the cut edge 11a
are arranged along each side of the Satsushi wooden frame 2. At this time, each cutting edge 11a is appropriately cut at its tip by the cutter 15 according to the height of the sash wooden frame 2, and is formed into a trapezoidal shape.

After this, as shown in FIGS. 7 and 8, the above-mentioned corner waterproofing member 4 is attached to the outside of the roofing 11 at each corner (four locations in this embodiment) of the roof board 1 and the sash wooden frame 2. Paste it from the beginning and cover each corner. At this time, the release paper 10 of the corner waterproof member 4 is peeled off, and the rubberized asphalt adhesive layer 9 is adhered to each surface of the corner part. , Part B.

After the edges of the corner waterproof member 4 are crimped in the order of the 0 part and the D part, the entire corner part is crimped. In order to ensure waterproofness, crimping of parts A, B, and 0 is particularly important.

After attaching the waterproof member 4 to each corner, as shown in FIG. After covering with the installed waterproof sheet 12,
Waterproof tape material (flash band; adhesive material pasted on the back side of the waterproof sheet) is applied from the outside of the waterproof sheet 12 to the entire circumference of the side of the wood frame 2 so as to cover the waterproof sheet 12 and the skylight screws 13. Wrap and attach 14. This waterproof tape material 14 is attached to the roof board 1 as shown in FIG.
If there is a slope, the under water side is used as the starting point, and an appropriate length d (for example, about 100+nm) is overlapped on the under water side.

The waterproof structure as described above ensures waterproofness between the sash wooden frame 2 and the roofing board 1 in the skylight.

In particular, in this embodiment, at each corner of the shedding board 1 and the sash wooden frame 2, the flat part 5d of the base material 5 is attached to the shedding board l side, and the folded-up part 5c of the base material 5 is attached to the shedding board l side.
, 5c and the corner materials 6 are attached to the two sides of the sash wooden frame 2 constituting the corner parts, each corner part is tightly covered with the corner part waterproofing member 4, and extremely high waterproofness is achieved. Secured. At this time, in the waterproof member 4 of this embodiment, the vicinity of the cut start part of the cut line 5a, which is structurally weak and most likely to cause water leakage, is covered with the additional retape 7 from the inside, so that the waterproofness of this part is is also secured.

Moreover, the waterproof member 4 of this embodiment has an extremely simple configuration,
On-site, it can be easily formed using tape-shaped asphalt waterproof paper depending on the shape of the corner part.

In the above embodiment, the corner waterproof member 4 is applied to the waterproof structure of a skylight. However, the present invention is not limited to this, and the present invention is not limited to this. If it is a corner part, the same applies as in the above embodiment.

[Effects of the Invention] As detailed above, according to the waterproof member for a corner portion of the present invention, the folded portion attached to two sides of the protruding member constituting the corner portion and the flat surface attached to the plane member side. A base material made of asphalt waterproof paper having a section, a corner material made of asphalt waterproof paper that can be attached from the outside to the folded part of this base member to cover two sides of the protruding member, and a base material made of asphalt waterproof paper that has a corner part near the cut start part of the cut line. A corner waterproofing member is made up of a base material and an additional material attached to the corner material from the inside, and by attaching this corner waterproofing member to a predetermined corner, it can be used for skylights, etc. This has the effect of ensuring extremely high waterproofness for the corner portions of the protruding member.

[Brief explanation of the drawing]

1 to 6 show a corner waterproof member as an embodiment of the present invention, FIG. 1 is a perspective view thereof, FIG. 2 is a plan view thereof, and FIG. 4 is a view from the ■ arrow in FIG. 2, FIG. 5 is an enlarged view of the V section in FIG. 4, and FIG. 6 is a plan view for explaining the procedure for forming the base material.
Figures 7 to 9 show an example in which the corner waterproof member of this embodiment is applied to the waterproof structure of a skylight. Figure 7 is an exploded perspective view of the structure, and Figure 8 is the waterproof member in the structure. FIG. 9 is a perspective view showing the attached state, and a sectional view of a main part for explaining the winding/applying position of the waterproof tape material in the structure. In the figure, 1 - field board (plane member), 1a - opening,
2- Satsushi wooden frame (protruding member), 3- Skylight main body, 4- Waterproof member for corner part, 5- Base material, 5a- Cut line, 5
b-truncated part, 5C-folded part, 5d-flat part, 6-square arrangement, 7-additional retape (additional binding material), 8-rubberized asphalt impregnated nonwoven fabric (asphalt waterproof paper), 9-rubberized asphalt adhesive Layer (asphalt waterproof paper), 10-release paper, 11-roofing, 1la-cut edge, 12-
Waterproof sheet, 13-skylight screws, 14-waterproof tape material (flash band), 15-cutter. Patent applicant: Sekisui Chemical Co., Ltd. Figure 1 CoC 2 (!I Figure 3 Figure 4 1υ Figure 5 Figure 6 Figure 7 Figure 8 (D Figure 9

Claims (1)

[Scope of Claims] In order to waterproof the corner portion of a planar member and a protruding member provided protruding from the planar member, the corner portion is attached from the outside to the corner portion, and the center portion of asphalt waterproof paper having a predetermined shape is provided. By folding up the two parts facing each other across the entwined score line, a folded part is formed to be attached to two sides of the protruding member constituting the corner part, and the folded part is a base material whose other parts are a flat part attached to the flat member side; and asphalt which is attached from the outside to the folded-up part of the base member and can cover two sides of the protruding member forming the corner part. For a corner section, comprising a corner material made of waterproof paper, and an additional adhesive material that is attached from the inside to the base material and the corner material around the vicinity of the cut start part of the cut line. Waterproofing material.