JP3032233U - Roofing material - Google Patents

Abstract

(57) [Abstract] [Problem] When a roofing material is laid on a roof with its ends overlapped, prevent rainwater flowing from upstream from flowing back into the overlapping part and impregnating it. . SOLUTION: Rubber asphalt is coated on both sides of a rectangular base sheet 12 impregnated with asphalt to form rubber asphalt layers 14 and 16, and a resin coating layer 18 is formed on the rubber asphalt layer 14 on the upper surface. In a roof roofing material obtained by joining a non-woven fabric 20 to a rubber asphalt layer 16 on the lower surface, the non-woven fabric 20 has a width W2 wider than the width W1 of the base sheet 12 and is subjected to a water repellent treatment. The strip-shaped portion 22 of the water-repellent nonwoven fabric 20 is formed so as to project on at least one side in the longitudinal direction of the base material sheet 12.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to an improvement of a roof underlaying material laid between a roof and a tile.

[0002]

[Prior art]

 Conventionally, a rubber asphalt layer is provided on both sides of a rectangular paper sheet impregnated with asphalt, a resin coating layer is formed on the rubber asphalt layer on the upper surface, and a nonwoven fabric is bonded to the rubber asphalt layer on the lower surface. Underlaying materials are known. These underlaying materials are used in order from the bottom of the roof so that the ends overlap.

[0003]

[Problems to be solved by the device]

 In the conventional roofing material of the above-mentioned roof, there is a problem that rainwater flowing from above flows backward between the back surface of the lower roofing material and the surface of the lower roofing material, soaks in and wets the roof. The present invention has been made in view of the above points, and an object of the present invention is to allow rainwater flowing from above to be smoothly discharged downstream without being soaked back into the lower lumber. It is to provide thatching material.

[0004]

[Means for Solving the Problems]

 In order to achieve the above purpose, the roofing material of the present invention is a rectangular base sheet impregnated with asphalt, coated with rubber asphalt on both sides to form a rubber asphalt layer, and a rubber asphalt layer on the upper surface. In a roofing roofing material, in which a resin coating layer is formed on the lower surface and a non-woven fabric is bonded to the lower rubber asphalt layer, the nonwoven fabric has a width wider than that of the base sheet, It is a non-woven fabric that has been subjected to water repellent treatment, and is configured such that a strip-shaped portion of the non-woven fabric that has been subjected to a water repellent treatment is formed to project on at least one side in the longitudinal direction of the base material sheet (see FIGS. 1 and 2). . In the roofing material of the roof described above, it is preferable to use paper felt as the base sheet, and it is preferable to use polyester non-woven fabric as the lower nonwoven fabric.

The roofing material of the present invention is a rectangular non-woven fabric coated with rubber asphalt on both sides to form a rubber asphalt layer, and the non-woven fabric is impregnated with rubber asphalt to form a rubber asphalt-impregnated non-woven fabric. A lower roofing roofing material, in which a resin coating layer is formed on the rubber asphalt layer of the above, and a nonwoven fabric is bonded to the rubber asphalt layer on the lower surface, and the nonwoven fabric on the lower surface is wider than the width of the central nonwoven fabric. It is a non-woven fabric that has been made water-repellent with a certain width, and has a strip of water-repellent non-woven fabric that is formed on at least one side in the longitudinal direction of the non-woven fabric at the center. (See FIGS. 5 and 6). In the lower roofing material of this roof, it is preferable to use a polyester nonwoven fabric as the central nonwoven fabric, and it is also preferable to use a polyester nonwoven fabric as the lower nonwoven fabric.

Further, the roofing material of the roof of the present invention is formed by coating the lower surface of a rectangular non-woven fabric with rubber asphalt to form a rubber asphalt layer, and impregnating the non-woven fabric with rubber asphalt into a rubber asphalt-impregnated non-woven fabric. A roof underlaying material in which a resin coating layer is formed on the upper surface of this non-woven fabric, and the non-woven fabric is joined to the lower surface of the rubber asphalt layer, and the non-woven fabric on the lower surface is wider than the width of the non-woven fabric on the central portion. It is a non-woven fabric that has a width and is water-repellent treated.The feature is that a strip of water-repellent non-woven fabric is formed so as to protrude at least at one side in the longitudinal direction of the non-woven fabric at the center. (See FIGS. 7 and 8). In the lower roofing material of this roof, it is preferable to use a polyester nonwoven fabric as the central nonwoven fabric, and it is also preferable to use a polyester nonwoven fabric as the lower nonwoven fabric.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 shows an example of a roofing material for a roof of the present invention, and FIG. 2 shows an enlarged cross section of a part thereof. The roofing material 10 of the roof of this example is a rubber asphalt layer 14 or 16 in which both sides of a base sheet 12 made of a rectangular paper felt impregnated with asphalt for penetration such as straight asphalt are coated with rubber asphalt. To form a resin coating film layer 18 by applying acrylic resin or the like to the rubber asphalt layer 14 on the upper surface, and joining the nonwoven fabric 20 made of polyester to the rubber asphalt layer 16 on the lower surface. A water-repellent non-woven fabric having a width W2 that is wider than the width W1 of the base sheet 12, and the strip-shaped portion 22 of the non-woven fabric 20 subjected to the water-repellent process is projected on one side in the longitudinal direction of the base sheet 12. It was formed by. The resin coating layer 18 may be provided after the rubber asphalt layer 14 on the upper surface is dusted with sand to remove tackiness.

The roof underlaying material 10 configured as described above has, for example, a length of 21 m or 10 m and a width of 1 m, and as shown in FIGS. 3 and 4, on the upper surface of the roof 24, The end portions are laid from below the root so that the strip-shaped portion 22 is located below and overlaps. For this reason, the rainwater flowing from the upstream is repelled by the water-repellent band-shaped portion 22 and does not flow back into the overlapping portion and soak into it, but smoothly flow downward.

FIG. 5 shows another example of the roofing material of the roof of the present invention, and FIG. 6 shows an enlarged cross section of a part thereof. The lower roofing material 10a of the roof of this example is formed by coating rubber asphalt on both sides of a rectangular polyester non-woven fabric 26 to form rubber asphalt layers 14 and 16 and by infiltrating and impregnating the non-woven fabric with rubber asphalt. As the non-woven fabric 26 of the Alt impregnation, a resin coating layer 18 is formed by applying acrylic resin or the like on the rubber asphalt layer 14 on the upper surface, and the nonwoven fabric 20 made of polyester is bonded to the rubber asphalt layer 16 on the lower surface to form the non-woven fabric on the lower surface. Reference numeral 20 denotes a water-repellent non-woven fabric having a width W2 wider than the width W1 of the central non-woven fabric 26. One side of the central non-woven fabric 26 in the longitudinal direction is water-repellent treated. The belt-shaped portion 22 is formed by protruding. Other configurations and operations are similar to those in the case of FIGS.

FIG. 7 shows another example of the roofing material of the roof of the present invention, and FIG. 8 shows an enlarged cross section of a part thereof. The roofing material 10b of the roof of this example is formed by coating the lower surface of a rectangular polyester non-woven cloth 26 with rubber asphalt to form a rubber asphalt layer 16 and by infiltrating and impregnating the non-woven cloth with rubber asphalt. An impregnated non-woven fabric 26 is formed. An acrylic resin or the like is applied to the upper surface of the non-woven fabric 26 to form a resin coating layer 18, and a polyester non-woven fabric 20 is bonded to the lower face of the rubber asphalt layer 16 to form the non-woven fabric 20 on the lower face. Is a non-woven fabric having a water repellent treatment having a width W2 wider than the width W1 of the non-woven fabric 26 in the central portion, and the non-woven fabric 20 subjected to the water repellent treatment on one side in the longitudinal direction of the non-woven fabric 26 in the central portion. The belt-shaped portion 22 is formed to project. Other configurations and operations are similar to those in the case of FIGS.

[0011]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. (1) In the roofing material of the present invention, the nonwoven fabric on the lower surface is treated to be water-repellent, and the end in the longitudinal direction projects like a strip. When the edges of the roofing material were laid so that the strips were located below and overlapped, the rainwater flowing from the upstream was repelled by the strips that had been subjected to water repellent treatment and overlapped. It does not flow back into the part where it is present and soak into the downstream part smoothly. This prevents the roof from getting damp or wet.

[Submission date] July 5, 1996

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0005

[Correction method] Change

[Correction content]

The roofing material of the roof of the present invention is coated with rubber asphalt on both sides of a rectangular non-woven fabric to form a rubber asphalt layer, and the non-woven fabric is impregnated with the rubber asphalt to obtain a rubber asphalt-impregnated non-woven fabric. the resin coating layer is formed on the rubber asphalt layer surface, a underlaying roof formed by joining the non-woven fabric on the lower surface of the rubber asphalt layer, nonwoven fabric which engages against the rubber asphalt layer of said lower surface, medium A water-repellent non-woven fabric having a width wider than that of the rectangular non-woven fabric at the core, and a strip-shaped part of the non-woven fabric subjected to the water-repellent treatment is provided on at least one side in the longitudinal direction of the non-woven fabric at the center. It is characterized in that it is formed to project (see FIGS. 5 and 6). In the lower roofing material of this roof, it is preferable to use a polyester nonwoven fabric as the central nonwoven fabric, and it is also preferable to use a polyester nonwoven fabric as the lower nonwoven fabric.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

Further, the roofing material of the roof of the present invention is obtained by coating the lower surface of a rectangular non-woven fabric with rubber asphalt to form a rubber asphalt layer, and impregnating the non-woven fabric with rubber asphalt to obtain a rubber asphalt-impregnated non-woven fabric. , the upper surface of the nonwoven fabric to form a resin coating layer, an underlaying roof formed by joining a nonwoven fabric to the lower surface of the rubber asphalt layer, nonwoven fabric of the lower surface of the rubber asphalt layer, the rectangular centered portion The water-repellent non-woven fabric has a width wider than that of the non-woven fabric, and a strip of water-repellent non-woven fabric is formed on at least one side of the central non-woven fabric in the longitudinal direction. It is characterized by the fact that it is present (see FIGS. 7 and 8). In the lower roofing material of this roof, it is preferable to use a polyester nonwoven fabric as the central nonwoven fabric, and it is also preferable to use a polyester nonwoven fabric as the lower nonwoven fabric.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a roofing material of a roof of the present invention.

FIG. 2 is a partially enlarged cross-sectional view of the lower lumber shown in FIG.

FIG. 3 is a perspective view showing a state where the underlaying material of the present invention is laid on the roof.

FIG. 4 is an enlarged side view of the underlayment shown in FIG.

FIG. 5 is a perspective view showing another example of the roofing material of the roof of the present invention.

FIG. 6 is a partially enlarged cross-sectional view of the lower lumber shown in FIG.

FIG. 7 is a perspective view showing still another example of the roofing material of the roof of the present invention.

8 is a partially enlarged cross-sectional view of the underlayment shown in FIG.

[Explanation of symbols]

 10 Roof Lowering Material 10a Roof Lowering Material 10b Roof Lowering Material 12 Base Material Sheet 14 Rubber Asphalt Layer 16 Rubber Asphalt Layer 18 Resin Coating Layer 20 Water Repellent Nonwoven Fabric 22 Bands 24 Roof 26 Nonwoven Fabric

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[Procedure amendment]

[Submission date] July 5, 1996

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 4

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 7

[Correction method] Change

[Correction content]

Claims (9)

[Scope of utility model registration request] 1. A rectangular base sheet impregnated with asphalt is coated with rubber asphalt on both sides to form a rubber asphalt layer, a rubber coating layer is formed on the rubber asphalt layer on the upper surface, and a rubber asphalt on the lower surface is formed. In a roofing roofing material formed by joining non-woven fabrics to layers, the non-woven fabrics are water-repellent non-woven fabrics having a width wider than that of the base material sheet, and at least one side in the longitudinal direction of the base material sheet. The roofing material of the roof is characterized in that a band-shaped portion of a non-woven fabric subjected to a water-repellent treatment is formed to protrude. 2. The roof underlayment according to claim 1, wherein the base sheet is a felt made of paper. 3. The roof underlayment material according to claim 1, wherein the nonwoven fabric on the lower surface is a polyester nonwoven fabric. 4. A rectangular asphalt non-woven fabric is coated on both sides with rubber asphalt to form a rubber asphalt layer, and the non-woven fabric is impregnated with rubber asphalt to obtain a rubber asphalt impregnated non-woven fabric, and a resin coating layer is provided on the rubber asphalt layer on the upper surface. Which is a roof underlaying material formed by joining a non-woven fabric to a rubber asphalt layer on the lower face, wherein the non-woven fabric on the lower face has a width wider than the width of the non-woven fabric on the central portion, and subjected to a water repellent treatment. A roof underlaying material, which is a non-woven fabric, and in which a band-shaped portion of the non-woven fabric subjected to a water-repellent treatment is formed to project on at least one side in the longitudinal direction of the non-woven fabric. 5. The roof underlayment material according to claim 4, wherein the non-woven fabric at the center is a non-woven fabric made of polyester. 6. The roof underlayment material according to claim 4, wherein the lower surface non-woven fabric is a polyester non-woven fabric. 7. A rectangular non-woven fabric is coated with rubber asphalt on a lower surface to form a rubber asphalt layer, and the non-woven fabric is impregnated with rubber asphalt to obtain a rubber asphalt-impregnated non-woven fabric, and a resin coating layer is formed on the upper surface of the non-woven fabric. A roof underlaying material formed by joining a non-woven fabric to the lower face of a rubber asphalt layer, wherein the non-woven fabric on the lower face has a width wider than the width of the non-woven fabric at the central portion, and which is subjected to a water repellent treatment. The roof underlayment material is characterized in that a band-shaped portion of a nonwoven fabric subjected to a water-repellent treatment is formed so as to project on at least one side in the longitudinal direction of the nonwoven fabric at the center. 8. The roof underlayment material according to claim 7, wherein the non-woven fabric at the center is a non-woven fabric made of polyester. 9. The roof underlayment material according to claim 7, wherein the nonwoven fabric on the lower surface is a polyester nonwoven fabric.