JPH0571190A - Roof material joint and roof structure using the joint - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to reliably prevent the rising of flat roofing materials such as natural slate or tiles due to the action of negative pressure caused by strong winds during storms, and to reduce the overlapping margin of roofing materials. The main feature is that the material cost can be saved. [Structure] A joint 10 for laying and supporting a roof member 4 on a base member 1 such as a purlin is formed of a support substrate 11. The ridge-side end 11a of this support substrate is fixed on the base member, and the abutting ends of the respective roof materials that are laterally adjacent to each other are placed on the upper surface thereof, and the eaves side of each of these roof materials is placed. The engaging portion 1 whose end 4a is formed on the eave side end 11b of the support substrate
3 and 13 are engaged and supported, the abutting portions 14 and 14 formed in the lower part of the engaging portions are provided in the longitudinal direction with respect to the eaves side end portion of the roof material placed on the support substrate. The ridge-side end portions 4b of the eave-side roofing materials that overlap each other are brought into contact and supported.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint used for roofing a flat roof material such as natural slate or tile, and a roof structure using the joint.

[0002]

2. Description of the Related Art Conventionally, in this type of roof structure, for example, Japanese Utility Model Publication No. 64-57318 or Japanese Utility Model Publication No.
There is a structure having a structure using a natural slate roofing material as disclosed in Japanese Patent Publication No. 57320.

In such a conventional roof structure, the ridge-side end of the roofing material that is roofed on the base member is fixed by nailing, or the eaves-side end of the roofing material is supported by hooking. is doing.

[0004]

However, in the above-mentioned conventional structure, when the roofing material is roofed on the base member by nailing, the roofing material is easily broken by the impact of nailing, Since the sides are not fixed, if the roof material is subjected to negative pressure due to strong wind such as during a storm, it will easily float up.

Also, in the case of a supporting structure by hooking, the bending moment is large because the hook is cantilevered and has a long length, and when a negative pressure acts on the roofing material, as in the nailing method described above, Not only is it easily lifted up, but since the roofing material is supported at one point, it is easy to fall if the roofing material is broken.

Further, in order to prevent the intrusion of water from the vertical joints, it is necessary to increase the length of the roofing material in the vertical direction so that two or three sheets are stacked, which increases the material cost. There was such a problem.

An object of the present invention is to reliably prevent the roof material from being lifted up by the action of a negative pressure which is exerted by a strong wind such as during a storm, and to reduce the overlapping cost of the roof material to save the material cost. It is an object of the present invention to provide a joint for a roof material made possible and a roof structure using the joint.

[0008]

In order to solve the above problems, the first invention of the present application is a joint for laying and supporting a flat roof material such as natural slate or tile on a base member such as a purlin. In this joint, a ridge-side end is fixed on the base member, and a supporting substrate on which the abutting ends of roofing members that are laterally adjacent to each other are placed on the upper surface thereof, and the eaves of the supporting substrate. An engaging portion formed on a side end portion of the roof material for engaging and supporting the eaves side end portion, and a roof material formed under the engaging portion and placed on the support substrate. An abutting portion on which the ridge-side end portions of the eave-side roofing materials vertically overlapping each other with respect to the eaves-side end portion are abutted and supported, and the eaves-side end portion of the support substrate corresponding to the lower end portion of the abutting portion And a fixing piece that can be fixed on the base member that is formed on the side of the base material. It is a joint of the roofing material to be.

The second invention of the present application is that when a flat roof material such as a natural slate or tile is laid on a base member such as a main house via a joint for roofing, this joint has a ridge side end portion. Is fixed on the base member, and a supporting substrate on which the abutting ends of the roofing materials that are laterally adjacent to each other are placed on the upper surface thereof, and the above-mentioned each of the supporting substrates formed on the eaves side end of the supporting substrate. An engaging portion with which the eaves-side end portion of the roofing material is engaged and supported, and a longitudinal direction with respect to the eaves-side end portion of the roofing material formed under the engaging portion and placed on the supporting substrate. An abutment portion on which the ridge-side end portion of the eaves-side roof material that overlaps with the abutment portion is abutted and supported, and the base material that is formed to extend to the side portion of the eaves-side end portion of the support substrate that corresponds to the lower end portion of the abutment portion A fixing piece that can be fixed on a member, and supports a joint fixed on the base member. On the plate, the butt ends of the roof materials that are laterally adjacent to each other are placed, and the eaves-side ends of these roof materials are engaged and supported by the engaging portions of the support substrate, and The roof structure is characterized in that the abutment portion of the support substrate is fitted and supported with the ridge-side end portions of the eaves-side roof material that vertically overlap with the eaves-side end portions of the ridge-side roof material.

[0010]

That is, according to the present invention, a joint for laying and supporting a flat roof material such as a natural slate or a tile on a base member such as a purlin is formed by a support substrate, and the ridge side end of the support substrate is used as the base substrate. Fix it on the member with screws, nails, etc.
And, the abutting ends of the respective roofing materials that are laterally adjacent to each other are placed on the upper surface thereof, and the eaves-side ends of these respective roofing materials are engaged with the eaves-side ends of the supporting substrates. The eaves-side roof that vertically engages with the eaves-side end of the roofing material placed on the support substrate while the eaves-side roof is engaged with and supported by the roof part. Since the ridge side end of the timber is configured to abut and support, water that infiltrates from the vertical joints of the upper roof material that is laterally adjacent to each other is received on the joint and from the lower roof material It is discharged, and it is not necessary to extend the roof material of the lower tier, which is stacked under the roof material of the upper tier, to the ridge side over the entire length of the vertical joint, and it is possible to reduce the stacking margin of the roof material. Become.

Further, since the roof material is supported through the joint fixed on the base member with screws, nails, etc., the roof material is not directly fixed with screws, nails, etc. As a result, the roof material will not be cracked by the impact of nailing as in the past.

Further, since the eave side end and the ridge side end of each roofing material are supported at four points by the engaging portion and the abutting portion, the roofing material is dropped due to cracking as in the conventional case. And, it is possible to prevent lifting due to the action of negative pressure that is exerted by strong wind such as during heavy rain.

Further, a locking tool projecting upward from between the abutting ends of the roof materials laterally adjacent to each other is provided near the central ridge side on the support substrate forming the joint, and the locking tool is provided. Since the eaves side end of the ridge side roof can be locked with, in addition to the four-point support by the engaging part and the abutting part, the eaves side end of the roofing material and the ridge side There are five points of support with the ends, and it is possible to more reliably prevent the roofing material from being lifted up by the action of negative pressure exerted by strong wind such as during a storm.

Further, since the ridge-side end of the support substrate forming the joint is provided with a water-stop piece with which the ridge-side ends of the roof materials adjacent to each other in the lateral direction are brought into contact, In addition to enhancing the water blocking effect on the ridge side of the water that intrudes from the vertical joints of the roof material, it is possible to prevent the roof material from slipping up.

Further, since the waterproof sheet is laid on the base member, even if the water intruding from the vertical joints of the roof material cannot be received on the joint during abnormal weather such as storm, it can be received on the waterproof sheet. In addition to being able to reliably discharge to the eaves side, the watertightness is enhanced even if the rain is not sufficiently protected due to design reasons, which increases the degree of freedom in design.

[0016]

Embodiments of the present invention will now be described in detail with reference to the drawings. First Embodiment FIG. 1 to FIG. 3 show a joint for a roofing material according to the present invention and a first embodiment of a roof structure using the joint. It is shown.

That is, the first invention of the present application relates to the structure of a joint for roofing material, and as shown in FIGS.
In the figure, 1 is a purlin which is a base member.

An inner layer material 2 is laid on the main building 1,
A sheet-like waterproof sheet 3 is laid on the upper surface of the inner layer material 2.

On the purlin 1, a flat roof material 4 such as a natural slate or a tile is roofed through an inner layer material 2 and a waterproof sheet 3, and each roof material 4 is a screw. The purlin 1 by means of fasteners 5, such as nails
Joint 1 fixed to inner layer material 2 through upper waterproof sheet 3
Supported through 0.

As shown in FIG. 3, this joint 10 is formed of a supporting substrate 11 made of a vertically long rectangular thin sheet metal that is at least longer than the vertically long length of the roofing material 4.
Is a fixture 5 such as a screw or a nail at the center of the ridge side end 11a.
Has a through hole 12 into which is inserted.

The eave-side end portion 11b of the support substrate 11
Includes a pair of left and right engaging parts 13, 13 and abutting parts 14, 14
Each of these engaging portions 13 is formed with a supporting piece 13a that extends horizontally to the eaves and a rising piece 1 that rises upward from this supporting piece 13a by approximately the thickness a of the roofing material 4.
3b and a holding piece 13 extending from the rising piece 13b to the ridge side
The eave side end portion 4a of the roofing member 4 can be engaged and supported by being bent in an inverted U shape with c.

On the other hand, the abutting portion 14 is a hanging piece that hangs downward from the position separated from the engaging portion 13 by the overlap width W of the roofing material 4 toward the ridge side by approximately the thickness a of the roofing material 4. 14a
And a fixed piece 14b formed by laterally projecting outward from a position corresponding to the lower end of the hanging piece 14a, and the ridge-side end of the roofing material 4 is formed on the eave-side end surface of the hanging piece 14a. The fixing piece 14b is provided with a through hole 14c into which the fixing tool 6 such as a screw or a nail is inserted.

That is, the second invention of the present application relates to a roof structure using the above-described joint 10. The roofing construction will be described below.

First, the inner layer material 2 is laid on the purlin 1, the waterproof sheet 3 is laid on the inner layer material 2, and the joints 10 are screwed laterally from the eaves side at a predetermined interval according to the width of the roof material 4. , Fix with fixing tools 5 and 6 such as nails.

Next, on the upper surface of the support substrate 11 of each of the lower joints 10, the abutting ends of the roof members 4 and 4 that are laterally adjacent to each other are placed at intervals of the vertical joint b. The eaves-side end portions 4a and 4a of the abutting ends of the respective roofing members 4 and 4 are inserted into the left and right engaging portions 13 and 13 from the ridge side toward the eaves side so that they are engaged and supported. ..

After the roofing of the lower tier corresponding to the eaves side is performed in this manner, the joints 10 are formed on the eaves side of the ridge side end 4b of the lower roofing material 4 in the lateral center. While abutting and positioning the pair of left and right abutting portions 14 and 14, respectively, the ridge-side end 11a and the fixing piece 14b of each joint 10 are passed through the through holes 12 and 14c by the fixing tools 5 and 6 such as screws and nails. Fix it.

Then, similarly to the above, the abutting ends of the roofing members 4, 4 laterally adjacent to each other are provided on the upper surface of the supporting substrate 11 of each of the upper joints 10 at intervals of the vertical joint b. The roof-side end portions 4a and 4a of the abutting end portions of the respective roofing members 4 and 4 are placed on the left and right engaging portions 13 and 13
The eaves side end 4a of the upper roofing material 4 is placed on the ridge side end 4b of the lower roofing material 4 by inserting the eaves side 4a of the upper roofing material 4 toward the eaves side from the ridge side toward the eaves side. Therefore, they are vertically overlapped with each other, and such construction is repeated stepwise.

FIG. 4 is a joint 1 according to the first invention of the present application.
In the second embodiment of No. 0, a thin rod-shaped locking tool 15 is provided at the center of the support substrate 11 by the length of the length of a thatched foot H toward the ridge side. It is formed of a pillar portion 15a that has a length twice that of the material 4 and stands up, and a holding portion 15b that extends from the pillar portion 15a toward the ridge, and as shown in FIG. The eaves-side end 4a of the ridge-side roofing material 4 is made to protrude upward from the vertical joint b between the abutting ends of the respective roofing materials 4 and 4 that are adjacent in the lateral direction upward by the thickness a of the roofing material 4. Is configured to be able to be locked.

Further, FIG. 6 shows a third embodiment of the joint 10 according to the first invention of the present application, which is located at the ridge side by the overlap margin W from the position of the engaging member 15 in the second embodiment. A water blocking piece 16 is erected on the entire width of the supporting substrate 11 in the lateral direction, and this water blocking piece 16 is raised to the eaves side from the rising piece 16a that rises by the thickness a of the roofing material 4. It is formed with an extending holding portion 16b, and has a structure in which the ridge-side end portions 4b and 4b of the roofing members 4 and 4 that are laterally adjacent to each other can be held in contact with each other.

In the above embodiment, the first of the present application
It is also possible to previously join the joint 10 of the invention integrally with one roof member 4 that is butted laterally adjacent to each other.

Further, when the water blocking piece 16 is provided in the joint 10, the water blocking piece 16 is formed separately from the supporting substrate 11 and integrated by welding or the like, and the supporting substrate as shown in FIG. It is not necessary to arrange the entire width of 11.

[0032]

As is apparent from the above description, the joint which is the first invention of the present application is formed of a support substrate for laying and supporting a flat roof material such as natural slate or tile on a base member such as a purlin. Then, the ridge-side end of this support substrate is fixed to the base member with screws, nails, etc., and the abutting ends of the respective roof materials laterally adjacent to each other are placed on the upper surface thereof, and The eaves side end of each roofing member is engaged with and supported by an engaging part formed at the eaves side end of the supporting substrate, and the supporting substrate is attached to an abutting part formed under the engaging part. The eaves side end of the eaves side roof material placed vertically on the eaves side end part of the roof eaves placed on the ridge side is abutted and supported by the eaves side end part. Since the roofing material is supported through the joints, Directly to wood screws, in order to fixing by nails or the like is not performed, is never broken roofing by impact at the time of nailing as before.

In addition, in the roof structure of the second invention using such a joint, water intruding from the vertical joints of the upper roof material laterally adjacent to each other is received on the joint and the water enters from the lower roof material. Since it is discharged, it is not necessary to extend the roof material of the lower tier, which is overlapped under the roof material of the upper tier, to the ridge side over the entire length of the vertical joint, and it is possible to reduce the overlapping margin of the roof material, This saves material costs.

Further, since the eaves side end and the ridge side end of each roofing material are supported at four points by the engaging portion and the abutting portion, the roofing material is dropped due to cracking as in the past. Also, it is possible to prevent lifting due to the action of negative pressure that is exerted by strong wind such as during heavy rain.

Furthermore, in claim 2 or 4,
On the side of the central ridge on the support substrate that forms the joint, a locking tool that protrudes upward from between the abutting ends of the roof materials that are laterally adjacent to each other is provided. Since the eaves side end can be locked, in addition to the four-point support by the engaging part and the abutting part, the eaves side end and the ridge side end of the roofing material per sheet can be supported. Since there are five points, it is possible to more reliably prevent the floating due to the action of the negative pressure that is exerted by the strong wind such as during a storm.

The water blocking piece according to claim 3 or 5, wherein the ridge-side end portions of the roof materials that are laterally adjacent to each other are in contact with the ridge-side end portion side on the support substrate forming the joint. By providing the roof member, it is possible to enhance the effect of stopping the water intruding from the vertical joints of the roof member toward the ridge side and prevent the roof member from rising.

Further, according to claim 4 or 6, since the waterproof sheet is laid on the base member, even if water intruding from the vertical joints of the roof material cannot be received on the joint during abnormal weather such as storm. It can be received on the tarpaulin and discharged to the eaves side securely, and even if rain is not enough for design reasons, it can increase watertightness, thereby increasing design freedom. can do.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of essential parts showing a roof structure using a first embodiment of a joint for roofing material, which is the first invention of the present application.

FIG. 2 is an enlarged sectional view of a main part taken along the line II-II of FIG.

FIG. 3 is a perspective view showing a first embodiment of a joint for roofing material according to the first invention of the present application.

FIG. 4 is a perspective view showing a second embodiment of the roof joint according to the first invention of the present application.

FIG. 5 is a schematic perspective view of essential parts showing a roof structure using a second embodiment of a joint for roofing material.

FIG. 6 is a perspective view showing a third embodiment of the joint for roofing material according to the first invention of the present application.

[Explanation of symbols]

1 ... Base member (purlin), 2 ... Inner layer material, 3 ...
Tarpaulin, 4 ... Roofing material, 4a ... Eave side end, 4
b ... ridge side end parts 5, 6 ... fixtures (screws, nails, etc.), 10 ... joints, 11 ... support substrate, 11a.
..Ends on ridge side, 11b ... ends on eaves side, 12 ... through holes, 13,13 ... engaging portions, 14,14 ... abutting portions, 14b, 14b ... fixing Piece, 14c, 14c ...
・ Through hole, 15 ・ ・ ・ Locking tool, 16 ・ ・ ・ Water blocking piece, a ・
..Roof material thickness, b ... longitudinal joint, W ... overlap margin,
H: Thatch length.

Claims (7)

[Claims] 1. A joint for laying and supporting a flat roof material such as natural slate or tile on a base member such as a purlin, the ridge-side end of which is fixed on the base member. A support substrate on which the abutting ends of the roof materials that are laterally adjacent to each other on the upper surface are placed, and the eave-side ends of the roof materials formed at the eave-side ends of the support substrate engage with each other. An engaging portion to be supported, and a ridge-side end of the eave-side roof material that is vertically formed on the supporting substrate and vertically overlaps with an eave-side end portion of the roof material placed on the support substrate. An abutting portion on which the portion abuts and is supported, and a fixing piece that can be fixed on the base member formed on the side portion of the eaves side end portion of the supporting substrate corresponding to the lower end portion of the abutting portion. A joint for roofing material characterized by being provided. 2. A locking tool projecting upward from between the abutting ends of the roof materials laterally adjacent to each other is provided near the central ridge side on the support substrate, and the locking tool is used for the ridge side roof material. The roof material joint according to claim 1, wherein the eaves side end of the roof member is lockable. 3. The joint for roofing material according to claim 1, wherein a water blocking piece is provided upright on the ridge side end portion side on the support substrate. 4. When laying a flat roof material such as a natural slate or tile on a base member such as a purlin via a joint and roofing the roof, the joint side end of the joint is fixed on the base member. And a supporting substrate on which the abutting ends of the roofing members that are laterally adjacent to each other are placed, and the eaves-side end of each roofing member formed at the eaves-side end of the supporting substrate. Of the eaves-side roof material that is vertically supported on the eaves-side end portion of the roof material that is formed below the engagement portion and is mounted on the support substrate. An abutting portion with which the ridge-side end portion is abutted and supported, and a fixing that can be fixed on the base member that is formed to overhang on the side portion of the eaves-side end portion of the supporting substrate corresponding to the lower end portion of the abutting portion. On a supporting substrate of a joint fixed on the base member, and laterally with respect to each other. The abutting ends of the respective roofing materials that are in contact with each other are placed, and the eaves-side ends of the respective roofing materials are engaged and supported by the engaging portions of the supporting substrate, and the ridge side is provided at the abutting portion of the supporting substrate. A roof structure characterized in that ridge-side ends of eave-side roofing materials that vertically overlap each other are inserted into and supported by eaves-side ends of the roofing material. 5. A locking member is provided near the center ridge side on the support substrate so as to project upward from between adjacent side portions of respective roof members laterally adjacent to each other, and the locking member is provided on the ridge side roof member. The roof structure according to claim 4, wherein the eaves side end portion of the roof is locked. 6. The roof structure according to claim 4, wherein a water blocking piece is provided upright on the ridge side end portion side on the support substrate. 7. The roof structure according to claim 4, 5 or 6, wherein a waterproof sheet is previously laid on the base member.