JPH0833056B2 - Waterproof material for corners - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention provides waterproofing at a corner portion of a skylight frame body that is provided in a substantially rectangular shape in a plan view and is provided so as to project from a roof plate, a corner portion at a lower portion of a wall, and the like ( The present invention relates to a corner waterproofing member for performing rain warding.

[Prior Art] When a skylight or the like is provided on the roof of a house or the like, a skylight frame body (projecting member) having a substantially rectangular shape in plan view is provided so as to protrude from a roof plate (planar member). It is necessary to ensure the waterproofness of the frame body protrusion so that rainwater or the like does not enter between the frame body and the field board.

Conventionally, as a waterproof structure of such a skylight (roofing window), there are those disclosed in, for example, Japanese Utility Model Publication No. 62-52618 and Japanese Utility Model Publication No. 62-54125.

In the former structure, a water bar with a substantially L-shaped cross section is projected to the upper part of the water side surface of the skylight frame body protruding from the roof over the entire width of this side surface, and the water surface of the skylight frame body is projected. The drainer board is laid on the roof board on the side, and the upper end portion of the drainer piece raised from the water upper end portion of the drainer board along the side surface of the window frame is a groove on the lower surface of the water return portion ( (L-shaped part).

Further, in the latter structure, the drainage plate laid on the water side of the skylight is provided with the upwardly projecting ridge so as to incline to the water side from the central portion to both sides.

[Problems to be Solved by the Invention] However, in the above-described conventional waterproof structure, a water return portion is provided on the water upper side, or a convex strip is provided on the water draining portion so that rainwater or the like flowing from the water upper side is provided in the skylight frame. It only bends from the body, and no reliable waterproofness can be obtained. In particular, it is difficult to obtain reliable waterproofness at the corners between the roof roof plate and the skylight frame body that is formed in a substantially rectangular shape in plan view and that projects from the roof plate.

The present invention is intended to solve such a problem, and an object thereof is to provide a waterproof member for a corner portion having a simple structure capable of reliably waterproofing a corner portion of a projecting member such as a skylight.

[Means for Solving the Problems] In order to achieve the above object, a corner portion waterproof member of the present invention is a corner portion of a planar member and a projecting member that is provided to project from the planar member and has a substantially rectangular shape in plan view. In order to waterproof the, it is attached to the corner from the outside,
Folding that is affixed to two surfaces of the projecting member that constitutes the corner portion by folding up two parts that face each other across a score line that extends from the central portion of the asphalt waterproof paper of a predetermined shape to the outer edge. And a base member having a flat portion other than the folded-up portion and attached to the planar member side, and a corner portion formed from the outside to the folded-up portion of the base member. A corner material made of asphalt waterproof paper that can cover the two surfaces of the protruding member and a base material and a corner material that are affixed from the inside centering around the intersection of both folded parts of the base material. It is characterized by being composed of a patch.

[Operation] In the above-described corner waterproofing member of the present invention, the flat surface portion of the base material is attached to the flat surface member side, and the folded-up portion and the corner distribution material of the base material are the protrusion members of the corner portion. By sticking on the surface, the corner is covered and the waterproof property is secured. At this time, since the vicinity of the intersection of the folded portions of the base member, which is structurally most likely to cause water leakage in the present waterproof member, is covered from the inside by the adhesive material, there is no problem in the waterproof property of this portion.

[Embodiment of the Invention] Hereinafter, a waterproof member for a corner portion as an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view thereof, FIG. 2 is a plan view thereof, and FIG. III arrow view of FIG. 4, FIG. 4 is an IV arrow view of FIG. 2, FIG. 5 is an enlarged view of V portion of FIG. 4, and FIG. 6 is a plan view for explaining the forming procedure of the base material. is there.

Here, in the present embodiment, as will be described later with reference to FIGS. 7 to 9, the corner waterproof member 4 includes the roof base plate (planar member) 1 and the sash crate (projected from the opening 1a). A case where the projection member 2 is used for waterproofing the corner portion (see FIG. 8) of the member 2 will be described. As shown in FIGS. 8 and 9, the skylight main body 3 is attached to the upper portion of the sash wooden frame 2.

As shown in FIGS. 1 to 4, the corner waterproof member 4 of this embodiment is composed of a base material 5, a corner material 6, and an additional tape (an additional material) 7. Of these, the base material 5 and the corner distribution material 6 are made of tape-shaped asphalt waterproof paper as shown in FIG. The 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 10 is stuck 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. In other words, the score line that extends from the center of the asphalt waterproof paper to the outer edge.
By folding up the two opposing parts sandwiching 5a along the dotted lines in FIG. 6, folding-up parts 5c and 5c are formed which are attached to the two faces of the sash crate 2 which constitutes the corners. At the same time, the portions other than the folded-up portions 5c, 5c are flat portions 5d attached to the side of the base plate 1. In addition, in the present embodiment, the tip of each folded-up portion 5c is cut off as a cut-off portion 5b by an appropriate length according to the height of the sash crate 2 to be attached.

Further, the corner distribution material 6 is formed from a rectangular asphalt waterproof paper having a height of the folded portion 5c of the base member 5 and a folded length (dotted line length in FIG. 6) as the length of each side. 2 to
As shown in FIG. 4, it is attached to the folded portions 5c, 5c of the base member 5 from the outside so as to cover the two surfaces of the sash crate 2 which constitutes the corner portion.

Further, the additional tape 7 is a folded-up portion on both sides of the base member 5.
Base material 5 and corner distribution material 6 centered around the intersection of 5c
To the inner side (adhesive layer 9 side), and is made of rubberized asphalt containing a knitted fabric, for example.

Then, when actually pasted, the base plate 1 and the sash crate 2
Base material 5, corner distribution material 6 so that it is evenly attached to
Also, the overlapping portion of the additional tape 7 is subjected to pressure-bonding correction processing so that there is no unevenness.

Next, a case in which the corner waterproof member 4 configured as described above is applied to the waterproof structure of a skylight will be described with reference to FIGS. The skylight applied here is, as shown in FIGS. 7 to 9, from the opening 1a of the roof base plate 1 to the sash crate 2
And the skylight main body 3 is attached to the sash wooden frame 2. Further, a waterproof sheet (rubber or the like) 12 that can cover the side surface of the sash wooden frame 2 over the entire circumference is attached to the skylight main body 3 and the sash wooden frame 2 by a skylight screw 13 or the like.

In the waterproof structure of the present embodiment, first, as shown in FIG. 7, with the waterproof sheet 12 turned up, the roofing 11 laid on the base plate 1 is cut according to the position of the opening 1a. It cut | disconnects by 15, and arrange | positions the cutting edge part 11a so that each sash wooden frame 2 may be followed along each side surface. At this time, each cutting edge portion 11a has a trapezoidal shape in which the tip thereof is appropriately cut by the cutter 15 according to the height of the sash crate 2.

Thereafter, as shown in FIGS. 7 and 8, the above-mentioned corner waterproofing member 4 is provided from the outside of the roofing 11 at each corner (four positions in this embodiment) of the base plate 1 and the sash crate 2 from each other. Attach and cover each corner. At this time, the rubberized asphalt adhesive layer 9 is brought into close contact with each surface of the corner portion with the release paper 10 of the waterproof member 4 for the corner portion peeled off.
In order to ensure a close contact, the parts A, B, C, D shown in Fig. 8
After crimping the edges of the corner waterproofing member 4 in this order,
Perform overall crimping. To ensure waterproofness, A
The crimping of parts B, B and C is especially important.

After attaching the waterproof member 4 to each corner portion, as shown in FIG. 9, the waterproof member 4 for the corner portion and the roofing 11 are provided over the entire circumference of the side surface of the sash wooden frame 2 from above and outside thereof. After covering with the attached waterproof sheet 12, the waterproof tape material (flash band; waterproof sheet of the waterproof sheet 12 and the skylight screw 13 is covered so as to cover the waterproof sheet 12 and the skylight screw 13 from the outer side of the waterproof sheet 12 over the entire side surface of the sash wooden frame 2. Wrap and attach 14) with adhesive on the back. As shown in FIG. 7, the waterproof tape material 14 has an appropriate length d on the underwater side, with the underwater side as the starting point when the base plate 1 has a slope.
Overlap only (for example, about 100 mm).

The waterproof structure as described above ensures the waterproof property between the sash crate 2 and the base plate 1 in the skylight.

Particularly, in this embodiment, at the corners of the base plate 1 and the sash crate 2, the flat surface portion 5d of the base material 5 is attached to the side of the base plate 1 and the folded portions 5c, 5c and the corners of the base material 5 are formed. By attaching the distribution material 6 to the two surfaces of the sash crate 2 that constitutes the corner portion, the corner waterproof member 4 can be obtained.
The corners are tightly covered and covered, ensuring extremely high waterproofness. At this time, in the waterproof member 4 of the present embodiment, the vicinity of the intersection of both folded-up portions 5c of the base member 5, which is structurally weak and is most likely to cause water leakage, is covered with the additional tape 7 from the inside. , The waterproof property of this part is also secured.

Further, the waterproof member 4 of the present embodiment has an extremely simple structure, and can be easily formed on site by using tape-shaped asphalt waterproof paper according to the shape of the corner portion.

In addition, in the said Example, although the case where the waterproof member 4 for corners was applied to the waterproof structure of a skylight was demonstrated, this invention is not limited to this, The same which consists of a planar member and a protrusion member is demonstrated. If it is a corner portion, it is applied in the same manner as the above embodiment.

[Effects of the Invention] As described in detail above, according to the waterproof member for a corner portion of the present invention, the folded-up portion that is attached to the two surfaces of the protruding member that forms the corner portion and the flat surface that is attached to the flat member side. Base material made of asphalt waterproof paper having parts, corner material made of asphalt waterproof paper that can be attached from the outside to the folded portion of this base member and can cover two sides of the protruding member, and both folded portions of the base material Constituting a corner waterproofing member with a base material and an additional adhesive material that is applied from the inside to the corner distribution material around the intersection, and attach this corner waterproofing member to a predetermined corner portion. As a result, there is an effect that extremely high waterproofness can be ensured at the corner portion of the projecting member such as the skylight.

[Brief description of drawings]

1 to 6 show a waterproof member for a corner portion as one embodiment of the present invention. FIG. 1 is a perspective view thereof, FIG. 2 is a plan view thereof, and FIG. 3 is an arrow III of FIG. Perspective view, Fig. 4 is second
FIG. 4 is a view on arrow IV, FIG. 5 is an enlarged view of V portion in FIG. 4, FIG. 6 is a plan view for explaining the forming procedure of the base material, and FIGS. FIG. 7 shows an example in which a waterproof member for a corner portion is applied to a waterproof structure of a skylight, FIG. 7 is an exploded perspective view of the structure, FIG. 8 is a perspective view showing a mounting state of the waterproof member in the structure, and FIG. FIG. 4 is a cross-sectional view of a main part for explaining a winding / pasting position of a waterproof tape material in the structure. In the figure, 1 ... Field plate (planar member), 1a ... Opening part, 2 ... Sash wooden frame (projecting member), 3 ... Skylight body,
4 …… Corner waterproofing material, 5 …… Base material, 5a ……
Cut line, 5b ... Cut-off part, 5c ... Fold-up part, 5d ... Flat part, 6 ... Square distribution material, 7 ... Additional tape (addition material),
8 …… Rubberized asphalt impregnated non-woven fabric (asphalt waterproof paper), 9 …… Rubberized asphalt adhesive layer (asphalt waterproof paper), 10 …… Release paper, 11 …… Roofing, 11a
...... Cutting edge, 12 …… Waterproof sheet, 13 …… Skylight screw, 14
…… Waterproof tape material (flash band), 15 …… Cutter.

Claims (1)

[Claims] 1. A waterproof member for mounting a flat member and a corner portion of a projecting member, which is provided in a projecting shape from the flat member, and has a substantially rectangular shape in plan view, is mounted from the outside to the corner portion and has a predetermined shape. By folding up two opposing parts across a score line that extends from the central portion of the asphalt waterproof paper to the outer edge, a folded-up portion that is attached to two surfaces of the protruding member that constitutes the corner portion is formed. And a base material having a portion other than the folded-up portion as a flat portion to be attached to the planar member side, and the protrusion that is attached to the folded-up portion of the base material from the outside and constitutes the corner portion. A corner material made of asphalt waterproof paper that can cover two sides of the member, and an add-on material that is affixed from the inside to the base material and the corner material, centering around the intersection of the folded parts of the base material. Corners waterproofing member, characterized in that it is composed of a.