JPS61266762A - Reroofing of roof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides an existing corrugated roof sheet in which an existing corrugated roof sheet is covered on a long support member, with the existing corrugated roof sheet remaining as it is. The present invention relates to a roof re-roofing method in which new corrugated roof sheets are installed to cover these roofs.

[Conventional technology]

Conventionally, as a method for replacing roof shingles as mentioned above,
One disclosed in Japanese Patent No. 7-15950 is known.

This roof replacement method is the 6th r! ! As shown in i, it is constructed on an existing roof in which an existing corrugated roof board (2) made of slate or the like is covered on a long support member (1) such as a rafter or a main house, and the cross section is Attach both leg pieces (3a) of the inverted groove type fixture (3) to the trough (2b) of the existing corrugated roof board (2).
The top plate (3b) that is supported above and connects both leg pieces (3a) of the fixture (3) is connected to the peak part (2a) between the valley parts (2b).
A large number of fixtures (3) are positioned above and installed along the wave direction of the existing corrugated roof board (2), and a long mounting member (4) is supported on the fixtures (3); Attach the mounting member (0) and the fixture (3) to the support member (1) using the fasteners (5) and (6).
and then a new roof board (7) is installed on the mounting member (4).

[Problem that the invention seeks to solve]

Traditional roofing methods such as those described above require a large number of fixing devices (
3) and a long mounting member (4), which increases the number of parts, the manufacturing cost of the fixing tools and mounting members is high, the workability is poor and the construction period is long, and the existing corrugated ffi roof panels ( 2) and the new roof shingle (7), so it is necessary to narrow the support interval of the new roof shingle (7) or increase the thickness of the new roof shingle (7). ,
This also resulted in the problem of increased costs.

The present invention solves the above-mentioned problems and eliminates the need for fixing tools and mounting members to construct new roof panels on existing roofs with ease and cost using only new corrugated roof panels and fasteners. To provide a method for reroofing a roof, which can be done in a short time, and even if there is a dimensional error in the corrugation of an existing roof board at the time of reroofing, it can be absorbed as it is.

[Means for solving problems]

The method for reroofing a roof according to the present invention is to replace the troughs of a new corrugated roof sheet covering an existing corrugated roof sheet covered on a long support member by W.
I: Support directly on the trough of the corrugated bottom plate, and
The crests of the new corrugated roof sheets are placed over the crests of the existing corrugated roof sheets with a gap, and one of the adjacent new corrugated roof sheets is placed on top of the crests of the existing corrugated roof sheets. Only one side edge of the root plate is directly supported on the peak of the existing corrugated roof sheet, and adjacent to the protruding ridge along the wave direction that is protruded from the side edge of one of the new corrugated roof sheets. The side edge ridges along the wave direction of the other newly installed corrugated roof sheet are supported, and the protrusions and side edge ridges are fastened with fasteners that pass through these and the ridges of the existing corrugated roof sheet. It is characterized by being fixed to a support member.

[Effect]

Since the roof re-roofing method of the present invention is configured as described above, as a newly installed corrugated roof sheet, the troughs are formed at a pitch corresponding to the troughs of the existing corrugated roof sheet, and the troughs are formed on one side edge. By using a relatively easily manufactured material that has protrusions such as an inverted groove cross-section and side edge peaks formed on the other side edge, it is possible to achieve a number of roof replacement methods similar to the conventional roof replacement method described above. The side edges and side edge peaks of an adjacent new corrugated roof sheet can be overlapped on top of the peaks of an existing corrugated roof sheet on a support member such as a main building without using fixing devices or long mounting members. Since these are directly supported by the support member and fixed to the support member using fasteners, the number of parts can be significantly reduced compared to conventional ones.
It can be constructed in a short construction period with good workability, and the newly installed corrugated roof sheets are only supported by the valleys of the existing corrugated roof sheets between the edges, and the peaks are supported by the valleys of the existing corrugated roof sheets. Since there is a gap, only the support members need to be supported on the support members on both sides, and there is no need to increase the thickness. Therefore, the roof can be replaced at low cost, and the roof can be replaced even if there are some dimensional errors in the existing roof panels. It is also possible to provide a roof re-roofing method that allows absorption treatment to be performed without deforming newly installed corrugated roof panels.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 1 to 3.

In FIGS. 1 to 3, (1) is a long support member like a purlin, and the support member (1) is made of Cff1 steel. An existing corrugated roof sheet (2) made of slate is supported on the support member (1) with the longitudinal direction of the support member (1) perpendicular to the wave direction. ) is fixed to the support member (1) with a fastener (8) consisting of a bolt (9a) and a nut (9b), and the support member (
Together with 1), it constitutes the existing roof.

(8) is a newly installed corrugated roof sheet made of an integrally molded product such as a painted steel plate. Arc-shaped valley (
8b) and convex peaks (8a) with linear tops are formed alternately through linear slopes, and one edge (8c) along the wave direction is a peak with a low height. There is a protrusion (8d) in the widthwise center of the part! It is formed at a height slightly lower than (8a), that is, about the thickness of the newly installed corrugated roof sheet (8),
Both sides of the protrusion (8d) are cut out, and a side edge ridge (8e) having the same height as the ridge (8a) is formed on the other side edge. ) are formed with downwardly inclined parts (8D, (8g)).

The new corrugated roof sheet (8) is replaced by the existing corrugated roof sheet (2).
) are covered so that the wave directions match each other, and the troughs (8b) are supported directly on the troughs (2b) of the existing corrugated roof board (2), and the peaks (8a) are supported directly on the troughs (2b) of the existing corrugated roof board (2). The existing corrugated roof board (2) is placed on the supporting member (1) with a gap provided on the crest (2a) of (2), and one of the new corrugations adjacent to the G ridge (2a) is placed on the supporting member (1). Only the lower corner of the protrusion (8d) protruding from one side edge (8G) of the molded roof board (8) is directly supported, and the other new corrugation adjacent to this protrusion (8d) is supported directly. Support the side edge peaks (8e) of the roof board (8), and attach new fasteners (l) to the overlapping protrusions (8d) and side edge peaks (8e).
Penetrate the test (10a) of O).

Tesku (10a) is attached to the existing corrugated roof board (2) and supporting members (
1) to connect the two adjacent new corrugated roof panels (8) and (8), and fasten them to the support member (1).

At this time, in the overlapping state of the protruding part (8d) of the newly installed corrugated roof sheet and the side edge peak part (8e) of the newly installed corrugated roof sheet, spaces (11 ), (11
) is formed to form the protrusion (8d).

In this example, the newly installed corrugated roof panels (8) adjacent in the direction of the eave ridge are overlapped with the edge of the ridge side on the edge of the eave side, using the conventional roofing method. The eaves, ridge end, and both side edges in the frontage direction are treated in the same way as for conventional re-thatched roofs.

The roof obtained by the roof re-roofing method according to the above example has a side edge (8C) of one of the adjacent new corrugated roof sheets (8)
) The sloped part (8F) of the side edge peak part (8e) of the other newly installed corrugated roof board (8) adjacent to both sides of the protruding part (8d) provided in )
Since a space (11) is created between , (8g),
Even if water intrudes into the interior due to capillary action between the lower part of the outer sloped part (8g) and the sloped part (8h) of the side edge (8C) with which it is in contact, this water will be removed from both new corrugated parts. Roof board (8
), (8) will not seep inside due to capillary action, and since the ridges (8d) constitute reinforcing parts, the strength of the overlapping parts can be maintained large, and the new corrugation Even when it is difficult to overlap the roof panels (8) evenly during assembly due to errors such as deviations in the assembly dimensions of the existing corrugated roof panels (2), the space (11) is formed and the new corrugated roof panels The above-mentioned error can be absorbed by providing a gap between the peak part (8a) of the roof board (8) and the peak part (2a) of the existing corrugated roof board (2).

In addition, in this embodiment, the protrusion (8d) was formed on one side edge (8C) of the newly installed corrugated roof board (8).
d) This roof plate (8C) and the side edge peak (8e) supported by the protrusion (8d) is reinforced, and the roof plate (8C) protrudes above the existing corrugated roof plate (2). 2) Fastener (9)
) also serves as a relief groove for the upper end of the fastener (9), eliminating the need to cut out the upper end of the fastener (9).

FIG. 4 shows another embodiment of the present invention, and in this embodiment, the outer step ( 81) Above the outer sloped part (8
g) The lower end is brought into contact with a bent part (15) bent inward, and this embodiment also provides the same effect as the re-thatched roof of the embodiment shown in FIGS. 1 to 3.

The configuration of the embodiment shown in FIG. 4 other than those described above is the same as that shown in FIGS. 1 to 3, and the same symbols in FIG. 4 as in FIGS. 1 to 3 correspond. Indicates the part to be used.

FIG. 5 shows yet another embodiment of the present invention, in which one of the two waves of the existing corrugated roof sheet (2) is replaced by a ridge on the new corrugated roof sheet (8). The protrusion (8d) is formed so as to straddle the tip (
Multi-stage bent portions (14), (14) are formed so as to be located above the bent portion (13) of 12). Then, the tips of the side edge peaks (8e) of the newly installed corrugated roof board (8) are bent inward as shown in FIG.
) is formed and brought into contact with the multi-stage bent part (14) to prevent rusting at the tip and to ensure worker safety by bending the sharp point, as well as to improve the aesthetic appearance of the case.

In addition, the present invention is applicable to an existing roof in which existing corrugated roof sheets are installed on a supporting member such as a main building through a shedding board, and an existing corrugated roof sheet is installed on a supporting member consisting of rafters with the longitudinal direction and wave direction parallel to each other. Existing roof covered with molded roof boards and existing waves 41! ! It can also be applied to existing roofs whose roof plates are made of metal plates such as galvanized iron, and can also be applied to existing corrugated roof plates that have waves with a rectangular cross section. In addition, in the present invention, the newly installed corrugated roof sheet can be formed on the existing corrugated roof sheet by directly supporting every other corrugated roof sheet, without necessarily forming the troughs so as to be supported by all of the troughs of the existing corrugated roof sheet. The trough may be formed so that only a part of the trough of the plate is supported.

〔Effect of the invention〕

As explained above, according to the roof re-roofing method of the present invention, the troughs of the newly installed corrugated roof shingles are directly supported by the troughs of the existing corrugated roof shingles, and the peaks of the new corrugated roof shingles are supported directly on the troughs of the existing corrugated roof shingles. A gap is created above the ridges of the corrugated roof sheets, and the side edge of the adjacent new corrugated roof sheet is specially supported on the crest of the existing corrugated roof sheet, so that the side edge Support the side edge peaks of the other newly installed corrugated roof board adjacent to the protrusions formed in the section, and fix the protrusions and side edge peaks to support members such as the purlin and rafters using fasteners. As a result, the number of parts is extremely small, the workability of reroofing work is good, the construction period is short, the existing roof can be reroofed while the existing corrugated roof sheets are still covered, and the reroofing can be done at a low cost. It can be used to replace roofs of large buildings such as factories, warehouses, gymnasiums, etc. to great effect.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional front view showing one embodiment of the present invention, and FIG.
FIG. 3 is an enlarged vertical cross-sectional side view of the same main part; FIG. 4 is an enlarged vertical cross-sectional front view of the main part showing another embodiment of the present invention; FIG. 5 is an enlarged vertical cross-sectional front view of the main part. FIG. 6 is an enlarged perspective view of essential parts showing yet another embodiment, and FIG. 6 is a vertical sectional front view showing a conventional example. (1) Support member, (2) Existing corrugated roof board, (2a) Peak, (2b) Valley, (8)
...Newly installed corrugated roof board, (8a) - = peak, (8b
)-...Trough, (8c)...Side edge, (8d)...
・Protrusion portion, (8e)...Side edge mountain portion, (8D,
(8g), (8h)...slanted part, (10)
...Tightening tool.

Claims (4)

[Claims] (1) The troughs of the new corrugated roof sheet covering the existing corrugated roof sheet covered on a long support member are directly supported on the troughs of the existing corrugated roof sheet, and the new corrugated roof sheet is The ridges are placed above the crests of the existing corrugated roof sheets with a gap, and only one side edge of the adjacent new corrugated roof sheet is directly supported on the ridges of the existing corrugated roof sheet. , supporting the adjacent side edge peak portion along the wave direction of the other newly installed corrugated roof sheet on the protruding strip along the wave direction protruding from the side edge portion of one of the newly installed corrugated roof sheets; A method for reroofing a roof, comprising fixing the ridges and the side edge peaks to the support member using fasteners that pass through these and the peaks of the existing corrugated roof board. (2) The roof re-roofing method according to claim 1, wherein every other valley of the newly installed corrugated roof sheet is directly supported by the troughs of the existing corrugated roof sheet. (3) One of the new corrugated roof sheets has an integrally formed protrusion on one side edge that protrudes upward slightly lower than the height of the peak, and the lower corner of the protrusion is connected to the existing corrugated roof sheet. The method for re-roofing a roof according to claim 1 or 2, wherein the roof is supported by a mountain portion. (4) The newly installed corrugated roof board has side edge peaks that are slightly higher than the height of the ridges and the same height as the other ridges, and both sides of the ridges and side edge ridges. A method for reroofing a roof according to claim 1, 2 or 3, wherein left and right spaces are formed between them.