JP3218338U - Roofing board material - Google Patents

Abstract

[Problem] To provide a roof sheet material that exhibits good rainwater drainage even on a gently-sloped roof and prevents rainwater from entering the roof base.
An overlapping plate portion 3 is provided at one end portion of the roof plate material 2 in the lateral direction, and a joining plate portion 4 on which the overlapping plate portion 3 is overlapped from above is provided at the other end portion of the roof plate material 2. Then, a plurality of overlapping plate portions 3 of other roof plate materials 2 laid and fixed next to the roof plate material 2 are stacked on the joint plate portion 4 of the roof plate material 2 laid and fixed on the roof base 1 from above. The roof plate materials 2 of the two can be arranged side by side in the lateral direction, and the drainage groove 5 having a groove length along the roof gradient direction is formed in the lateral direction perpendicular to the roof gradient. Two or more are installed side by side.
[Selection] Figure 1

Description

  The present invention relates to a roofing board material for a building.

  A horizontal roof type metal roofing board material is generally a substantially rectangular shape, and a laminated board part is provided at one end of the roofing board in the horizontal direction, and this laminated board part is laminated from above. Is provided at the other end portion of the roof plate material, and the other roof plate material laid and fixed next to the roof plate material on the joint plate portion of the roof plate material laid and fixed on the roof base (field plate) A plurality of roof plate members are joined in the lateral direction by overlapping the overlapping plate portions from above. And, on the upper surface of the slope upper side laying part of the roof plate material laid and fixed on the slope lower side of the roof base, the lower surface of the slope lower side laying part of the other roof plate material laid and fixed on the upper slope side of the roof base The upper and lower roof sheet materials are joined together so that a large number of roof sheet materials can be installed in the roof gradient direction (see, for example, Patent Document 1).

  In addition, the joint plate portion is provided with a single drainage groove having a groove length along the roof gradient direction (see FIG. 4 of Patent Document 1), and at the joint portion between the joint plate portion and the overlapping plate portion. Even if rainwater flows in, the drainage from the drainage groove toward the roof eaves prevents rainwater from entering the roof base.

Japanese Patent No. 5480353

  In recent years, there is a demand for roofs with a gentler slope than usual.

  However, when building a gently-sloped roof using conventional roofing sheet materials, especially in the case of heavy rains that have been frequently occurring in recent years, or when a wind blowing up from the lower slope of the roof to the upper slope during the rain, There was a concern that the rainwater flowing through the drainage channel could not flow down to the lower side of the roof slope, overflowing in the lateral direction and entering the roof base.

  The present invention finds such problems and tries to solve them, and proposes a roof plate material with excellent practicality that can exhibit good rainwater drainage performance even when a gentle slope roof is constructed. To do.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A roof plate 2 that is laid and fixed in a plurality in a lateral direction perpendicular to the roof gradient on the roof base 1, and a laminated plate 3 is provided at one end of the roof plate 2 in the horizontal direction. The joining plate portion 4 on which the overlapping plate portion 3 is overlapped from above is provided at the other end portion of the roof plate material 2, and the joining plate portion 4 of the roof plate material 2 laid and fixed on the roof base 1 is A plurality of roof plate members 2 can be juxtaposed in the horizontal direction by overlapping the overlapping plate portions 3 of other roof plate members 2 laid and fixed next to the roof plate member 2 from above. In the roof plate 2 in which the drainage groove 5 having a groove length along the roof gradient direction is provided in the joining plate portion 4, the lateral direction in which the drainage groove 5 is orthogonal to the roof gradient in the joining plate portion 4. It is related to the roofing board material characterized by two or more installed in parallel That.

  Further, the joining plate portion 4 is bent into a corrugated shape in which irregularities are continuous in a lateral direction orthogonal to the roof gradient, and at least two concave portions 5 are arranged in parallel in the lateral direction orthogonal to the roof gradient. The roof plate material according to claim 1, wherein the two or more concave portions 5 are formed as the drainage grooves 5 by being bent into a corrugated plate shape.

  Moreover, the said laminated board part 3 is formed in the shape overlap | superposed on the joining board part 4 in the state which adjoined or contacted the convex part 6 which exists in the both ends of the horizontal direction of the said joining board part 4 of a corrugated sheet shape. The roof plate material according to claim 2, wherein

  Further, the overlapping plate portion 3 is bent into a cross-sectional shape with the lower surface convex upward, and the hanging surface 7 existing on both lateral ends of the overlapping plate portion 3 is corrugated. The joint plate portion 4 is formed in a shape that is overlapped with the joint plate portion 4 in a state of being close to or in contact with each of the rising surfaces 8 on the outer sides of the convex portions 6 existing at both ends in the lateral direction. It concerns on the roofing board material of any one of Claims 2 and 3.

  Since the present invention is configured as described above, even when a moderately sloped roof is constructed, or when a wind blows from the lower slope side of the roof to the upper slope side during heavy rain or during rainfall, Rainwater smoothly flows down to the lower side of the roof slope through two or more drainage grooves, and the roof plate material is extremely practical in that rainwater is prevented from entering the roof base.

  Further, in the invention according to claim 2, the structure in which two or more drainage grooves are juxtaposed in the lateral direction perpendicular to the roof gradient in the joining plate part is simplified and can be easily realized by designing. It becomes a roofing board material with an excellent structure.

  According to the third and fourth aspects of the invention, the roof plate material having a more excellent practicality in which the joining property between the overlapping plate portion and the joining plate portion is improved and the waterproof property of the joining portion is also improved.

It is a description perspective view which shows a mode that the overlapping board part of another roofing board material is going to be piled up on the joining board part of the roofing board material laid and fixed on the roof base | substrate of a present Example. It is a partial expanded front sectional view which shows the joining structure of the laminated board part of this example, and a joining board part.

  The preferred embodiment of the present invention will be briefly described with reference to the drawings showing the operation of the present invention.

  By overlapping the overlapping plate portion 3 of another roof plate material 2 laid and fixed next to the roof plate material 2 on the joint plate portion 4 of the roof plate material 2 laid and fixed on the roof base 1 from above. A plurality of roof plate members 2 are joined together in the horizontal direction and placed and fixed on the roof base 1 in parallel. Similarly, a roof is formed by laying and fixing a large number of roof plate members 2 while being joined in the horizontal direction.

  When rainwater flows into the joint portion between the joining plate portion 4 and the overlapping plate portion 3 during rainfall, the rainwater is drained downward (toward the roof eaves direction) via the drainage groove 5 provided in the joining plate portion 4. Therefore, the intrusion of rainwater into the roof base 1 is prevented.

  In addition, when a gently sloping roof is constructed using the roof plate material 2 of the present invention, or when a wind blows from the lower slope side of the roof to the upper slope side during heavy rain or during rainfall, the drain groove 5 is formed. In the present invention in which the flowing rainwater does not smoothly flow down to the lower side of the roof slope but overflows in the lateral direction, two or more drainage grooves 5 are juxtaposed in the lateral direction perpendicular to the roof slope. The rainwater overflowing from the drainage groove 5 existing on the most overlapped plate portion 3 side of the roof plate material 2 flows into the drainage groove 5 arranged side by side, and below the roof gradient through the two or more drainage grooves 5. Since the water is drained to the side, intrusion of rainwater into the roof base 1 is prevented.

  Specific embodiments of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the roof plate material 2 of the present embodiment is a horizontally long rectangular plate having a length in a horizontal direction orthogonal to the gradient direction of the roof base 1 (field plate 1), and is laid on the upper side of the gradient. The portion 9 has a rising receiving portion 10 bent in a shape rising upward, and the lower surface of the lower gradient side laying portion 11 is provided with the lower surface of the lower gradient side laying portion 11 on the upper gradient side. When overlapped on the upper surface of the portion 9 from above, the hanging portion 12 has a drooping overlapping portion 12 that can be overlapped with the rising receiving portion 10 and bent in a shape that droops downward.

  Specifically, a recumbent roof that is used for a Galvalume steel plate (registered trademark) roofing material or the like that has been sprayed with natural stone, and that does not have a entanglement portion between the upper slope portion 9 and the lower slope portion 11. The plate material 2, the superposed drooping portion 12 and the rising receiving portion 10 are joined together by a screw (not shown) such as a screw, and the roof plate material 2 laid and fixed on the gradient upper side of the roof base 1 The roof plate material 2 laid and fixed on the lower side of the gradient is joined.

  Further, in the present embodiment, the overlapping plate portion 3 is provided at one end portion of the roof plate material 2 in the lateral direction, and the joining plate portion 4 on which the overlapping plate portion 3 is overlapped from above is the other end portion of the roof plate material 2. The overlapping plate portion 3 of the other roof plate material 2 laid and fixed next to the roof plate material 2 to the joint plate portion 4 of the roof plate material 2 laid and fixed on the roof base 1. Are stacked from above, so that a plurality of roof plate members 2 can be juxtaposed in a lateral direction.

  That is, it is configured such that a roof is constructed by laying a large number of roof plate materials 2 vertically and horizontally on the roof base 1 (horizontal wall).

  In this embodiment, two or more drain grooves 5 having a groove length along the roof gradient direction are juxtaposed in the lateral direction perpendicular to the roof gradient.

  Specifically, the joining plate portion 4 is bent into a corrugated shape in which unevenness is continuous in the lateral direction perpendicular to the roof gradient, and the concave portion 5 of the uneven portion is at least a roof gradient. Are bent into a corrugated plate shape in which two or more strips are juxtaposed in the transverse direction, and the two or more recesses 5 are configured as the drainage grooves 5.

  More specifically, the joining plate portion 4 has a shape in which five strips of concavities and convexities are continuous in the lateral direction as shown in FIG. 2, and the convex portions 6 at both ends and the center of the joining plate portion 4 in the direction orthogonal to the roof gradient direction. Is disposed, and is bent into a shape in which the concave portion 5 (drainage groove 5) is disposed between the three convex portions 6.

  That is, in this embodiment, the two drainage grooves 5 are arranged in parallel (via the central convex part 6) at the joint plate part 4 at intervals, and the convex part 6 is provided outside each of the two drainage grooves 5. Are arranged.

  As described above, according to the present embodiment in which the two drainage grooves 5 are arranged side by side in a direction perpendicular to the roof gradient, the roof is blown from the lower slope side to the upper slope side during heavy rain or during rainfall. When the wind blows, the rainwater overflowing from the drainage groove 5 existing on the most overlapped plate part 3 side of the roofing sheet material 2 flows over the convex part 6 and into the drainage groove 5 juxtaposed next to each other. Thus, the water is smoothly drained to the lower side of the roof slope through the drainage grooves 5.

  In addition, according to the applicant's prototype experiment, even when a 2-slope (2 / 10-slope) roof that is gentler than the standard 2.5-slope (2.5 / 10-slope) is constructed, it is smooth. It has been confirmed that drainage can be obtained. That is, the roof sheet material 2 of the present embodiment can also be used for forming a gentle slope roof.

  In addition, the overlapping plate portion 3 of the present embodiment is overlapped on the bonding plate portion 4 in a state where the corrugated plate-shaped bonding plate portion 4 is close to or in contact with the convex portions 6 existing at both ends in the lateral direction of the roof plate 2. It is formed into a shape.

  Specifically, as shown in FIG. 2, the overlapped plate portion 3 is bent into a convex cross-sectional shape with the lower surface protruding upward, and the overlapped plate portion 3 of the stacked plate portion 2 sideways. Joint plate in a state in which the drooping surface 7 existing at both ends in the direction is close to or in contact with the respective outer rising surfaces 8 of the projections 6 existing at both ends in the lateral direction of the roof plate 2 of the corrugated plate-shaped joint plate portion 4 It is formed in a shape that is overlapped with the portion 4, and the overlapping plate portion 3 is overlapped with the joining plate portion 4 in a fitted state, thereby improving the joining property of the adjacent roof plate members 2 and the overlapping plate portion 3. In addition, rainwater or the like is less likely to enter the joint portion of the joint plate portion 4 so that waterproofness is improved.

  In the figure, reference numeral 13 is asphalt roofing, and 14 is a rafter.

  The present invention is not limited to the present embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Roof base 2 Roof board | plate material 3 Stacking board part 4 Joining board part 5 Drainage groove, recessed part 6 Convex part 7 Drooping surface 8 Rise surface

Claims (4)

  A roof plate material that is laid and fixed in a plurality in a lateral direction perpendicular to the roof gradient on the roof base, and a laminated plate portion is provided at one end portion in the lateral direction of the roof plate material. A joint plate portion is provided at the other end portion of the roof plate material, and is laid and fixed next to the roof plate material on the joint plate portion of the roof plate material that is laid and fixed on the roof base. It is configured so that a plurality of roof plate members can be juxtaposed in a lateral direction by overlapping the overlapping plate portions of other roof plate members from above, and a groove along the roof gradient direction is formed in the joint plate portion. The roof board | plate material in which the drainage groove | channel which has length is provided, The said drainage groove | channel is arranged in parallel by two or more in the horizontal direction orthogonal to a roof gradient in the said junction board part, The roof board | plate material characterized by the above-mentioned.   The joining plate portion is bent into a corrugated shape in which irregularities are continuous in a lateral direction orthogonal to the roof gradient, and at least a concave portion is formed into a corrugated shape in parallel with two or more in the lateral direction orthogonal to the roof gradient. The roof sheet material according to claim 1, wherein the roof plate material is bent and the two or more concave portions are configured as the drainage grooves.   The said laminated board part is formed in the shape overlapped on the joining board part in the state which adjoined or contacted the convex part which exists in the both ends of the horizontal direction of the said joining board part of a corrugated sheet shape, It is characterized by the above-mentioned. Item 2. The roofing board material according to item 2.   The overlapping plate portion is bent into a cross-sectional shape with the lower surface convex upward, and the hanging lower surface existing at both ends in the lateral direction of the overlapping plate portion is the corrugated plate-like joining plate portion. 4. The shape according to claim 2, wherein the protrusion is formed in a shape that overlaps with the joining plate portion in a state of being close to or in contact with a rising surface on the outer side of each of the convex portions existing at both ends in the lateral direction. The roof board | plate material of 1 item | term.

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