JPH0833057B2 - Skylight waterproof structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a structure for waterproofing (raining) a skylight provided so as to project from a roof base plate.

[Prior Art] When a skylight is provided on the roof of a house or the like, a frame body of the skylight is provided so as to protrude from the roof roof plate, and rainwater or the like enters between the frame body and the roof plate. In order not to do so, it is necessary to ensure the waterproofness of the frame projecting portion.

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 having a substantially L-shaped cross section is projected to the upper part of the side surface of the skylight frame body protruding from the roof over the entire width of this side surface, and the waterside surface of the skylight frame body is also formed. In the roof board in, a draining board is laid, and the upper end of the draining piece raised from the water upper end of the draining board along the side surface of the window frame has a groove (L
Character 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 skylight waterproof structure,
On the water side, a water repelling part is provided, or a convex strip is provided on the draining part, and rainwater or the like flowing from the water side is only warped from the skylight frame body part, and reliable waterproofness cannot be obtained. In particular, it is difficult to obtain a reliable waterproof property at the joint between the roof plate and the skylight window frame projecting from the plate.

The present invention is intended to solve such a problem, and an object thereof is to provide a waterproof structure of a skylight capable of ensuring waterproofness.

[Means for Solving the Problems] In order to achieve the above object, in the waterproof structure for a skylight of the present invention, the roofing laid on the base plate is cut according to the position of the opening, and the cut edge is cut. Arranged along each side of the frame, at the joint between the base plate and the frame, a waterproof member for a joint made of asphalt waterproof paper that covers the joint,
Affixed from the outside of the roofing, the joint waterproof member and the roofing, while covering the entire side surface of the frame body from above from the outside with a waterproof sheet for attaching the skylight main body, from the outside of the waterproof sheet. The feature is that a waterproof tape material is wrapped around and pasted around the entire side surface of the frame.

[Operation] In the above-described skylight waterproof structure of the present invention, the joint between the base plate and the frame is covered with the joint waterproof member made of asphalt waterproof paper via the roofing, and the joint waterproof member and the roofing. Is covered with a waterproof sheet attached to the main body of the skylight from the outside above to the entire side surface of the frame, and the waterproof tape material is wrapped and attached from the outside of the waterproof sheet to the entire side surface of the frame. Therefore, extremely high waterproofness is secured.

[Embodiment of the Invention] A waterproof structure of a skylight as an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view thereof.
FIG. 2 is a perspective view showing a mounting state of the waterproof member in the structure, and FIG. 3 is a winding of the waterproof tape material in the structure.
It is an important section sectional view for explaining a pasting position.

The skylight to which the waterproof structure of this embodiment is applied has a sash wooden frame (frame body) 2 projecting from an opening 1a of a roof plate 1 as shown in FIGS. Skylight body 3 in 2
It is configured by attaching. 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.

Here, before describing the specific structure of the waterproof structure of the present embodiment, the structure of the waterproof member 4 for the joint portion used in the waterproof structure will be described with reference to FIGS. As shown in FIGS. 4 to 9, the waterproof member 4 for the joint portion of this embodiment is composed of a base material 5, a corner material 6, and an additional tape 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.

As shown in FIG. 9, the base material 5 is made of square asphalt waterproof paper. In other words, insert score line 5a from the center of this asphalt waterproof paper,
By folding up the two opposing parts across 5a along the dotted lines in Fig. 9, folding-up parts 5c and 5c are formed which are attached to the two faces of the sash crate 2 which constitutes the joint. 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 this embodiment, the tip of each folded-up portion 5c is cut off by an appropriate length depending on the height of the sash crate 2 to be attached.
Has been rounded down.

Further, the corner distribution material 6 is formed of rectangular asphalt waterproof paper having the height of the folded portion 5c of the base member 5 and the folded length (dotted line length in FIG. 9) as the length of each side. 5-
As shown in FIG. 7, the folded parts 5c, 5c of the base member 5 are affixed from the outside so as to cover the two surfaces of the sash crate 2 which constitutes the joint.

Further, the additional tape 7 is attached to the base material 5 and the corner distribution material 6 from the inside (adhesive layer 9 side) centering on the vicinity of the cut start portion of the cut line 5a, for example, rubberized asphalt containing knitted fabric. Some are made.

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.

Now, the waterproof structure for the skylight of the present embodiment is configured as follows using the waterproof member 4 for the joint portion configured as described above.

In the waterproof structure of this embodiment, first, as shown in FIG. 1, 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.

After that, as shown in FIGS. 1 and 2, the above-mentioned joint waterproof member 4 is attached to the joints (4 places in this embodiment) between the base plate 1 and the sash crate 2 from the outside of the roofing 11. Then, the joint is covered. At this time, the rubberized asphalt adhesive layer 9 is brought into close contact with each surface of the corner portion in a state where the release paper 10 of the waterproof member 4 for the joining portion is peeled off. After crimping the edges of the corner waterproofing member 4 in this order, part B, part C and part D, the entire part is crimped. In order to ensure waterproofness, crimping of the A portion, B portion and C portion is particularly important.

After attaching the waterproof member 4 to the joint portion, as shown in FIG. 3, the waterproof member 4 for the joint portion and the roofing 11 are attached to the skylight main body 3 from the upper outside thereof over the entire side surface of the sash wooden frame 2. After covering with the waterproof sheet 12 of
Wrap a waterproof tape material (flash band; adhesive material is attached to the back surface of the waterproof sheet) 14 so as to cover the waterproof sheet 12 and the skylight screw 13 from the outside of the sash all around the side surface of the sash crate 2. Attach / Attach. This waterproof tape material 14
As shown in Fig. 1, when the ground plate 1 has a slope, the underwater side is the starting point and the appropriate length d (eg 100 mm
Only about).

With the above configuration, the waterproof property between the sash crate 2 and the base plate 1 in the skylight is secured.

Particularly, in this embodiment, at the joint portion with 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 corner distribution material 6 of the base material 5 are attached.
Is attached to the two surfaces of the sash wooden frame 2 forming the joint, the joint is closely covered with the waterproof member 4 for the joint, and extremely high waterproofness is secured. At this time, in the waterproof member 4 of the present embodiment, since the vicinity of the cut start portion of the cut line 5a, which is structurally weak and is most likely to cause water leakage, is covered from the inside by the additional tape 7, so that the waterproof portion Sex is also secured. Further, if a member having the same structure as the joint waterproof member 4 is attached to the side surface of the sash wooden frame 2 other than each corner portion, further waterproofness can be ensured.

[Effects of the Invention] As described in detail above, according to the waterproof structure for a skylight of the present invention, the joint between the base plate and the frame is covered with the joint waterproof member made of asphalt waterproof paper via the roofing. ,
The waterproof member for the joint portion and the roofing are covered with a waterproof sheet attached to the main body of the skylight from the upper side of the outer side over the entire circumference of the side surface of the frame body, and a waterproof tape material is provided from the outer side of the waterproof sheet over the entire side surface circumference of the frame body. The simple structure of wrapping and pasting has the effect of ensuring extremely high waterproofness for the skylight.

[Brief description of drawings]

1 to 3 show a waterproof structure of a skylight as an embodiment of the present invention, FIG. 1 is an exploded perspective view thereof, and FIG. 2 is a perspective view showing a mounting state of a waterproof member in the structure, FIG. 3 is a cross-sectional view of a main part for explaining the winding and sticking positions of the waterproof tape material in the structure, and FIGS. 4 to 9 show the waterproof member for the joint part used in the waterproof structure of the above embodiment. Fig. 4 is its perspective view, Fig. 5 is its plan view,
6 is a view taken in the direction of arrow VI in FIG. 5, FIG. 7 is a view taken in the direction of arrow VII in FIG. 5, FIG. 8 is an enlarged view of part VIII in FIG. 7, and FIG. 9 shows the procedure for forming the base material. It is a top view for explaining. In the figure, 1 ... Base plate, 1a ... Opening part, 2 ... Sash wooden frame (frame body), 3 ... Skylight body, 4 ... Waterproof member for joint part, 5 ... Base material, 5a ... Cut line, 5b ... Cut-off part, 5c ... Fold-up part, 5d ... Flat part, 6 ... Corner distribution material, 7
…… Additional tape, 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 ... tarpaulin, 1
3 …… Skylight screw, 14 …… Waterproof tape material (flash band), 15 …… Cutter.

Claims (1)

[Claims] 1. In a waterproof structure of a skylight provided with a frame protruding from an opening of a roof plate of a roof, a roofing laid on the roof plate is cut in accordance with the position of the opening, and A cutting edge portion is arranged along each side surface of the frame body, and at the joint portion between the base plate and the frame body, a waterproof member for a joint portion made of asphalt waterproof paper that covers the joint portion is provided on the roofing. Affixed from the outside, and the waterproof member for the joint portion and the roofing are covered with a waterproof sheet attached to the main body of the skylight over the entire circumference of the side surface of the frame from above the outside thereof, and from the outside of the waterproof sheet to the frame body. A waterproof structure for skylights, in which waterproof tape material is wrapped around and pasted on the entire circumference of the side.