JPH07150697A - Metallic composite roofing material and constructing method by use thereof - Google Patents

Abstract

PURPOSE:To obtain a roofing material with functions of resisting fire, of insulat ing heat, of proofing it against dew, and of absorbing sound, by a method where in at least one face of mat-shaped or felt-shaped rock wool-made insulator is coated with a surface-coating sheet for reinforcement, and the insulator coated is stuck on a bent metallic plate, laying the indoor side thereof face up. CONSTITUTION:An insulator-made mat 2 is formed by coating one face of mat-shaped, rock wool-made insulator 3 with a surface-coating sheet 4 for reinforcement. The surface-coating sheet 4 is made of aluminum foil 5 reinforced with glasscloth. The insulator-made mat 2 is placed on a bent metallic plate 1, laying the surface-coating sheet 4 face up, and is stuck by pressing. The width of the surface-coating sheet 4 is made wider than that of the insulator 3 and the side face of the insulator 3 is coated with the surface-coating sheet 4. Furthermore, surplus parts left over by coating each are stuck to hook parts 1a of the bent metallic plate 1. In this way, functions of resisting fire, of insulating heat, of proofing roofing-material against dew, and of absorbing sound can be inexpensively and excellently displayed in a long period of time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal composite roofing material having a fireproof, heat-insulating, dew-proof and sound-absorbing function, which is made of a metal folded plate used for a roof of a building structure as a base material, and a construction method thereof. is there.

[0002]

2. Description of the Related Art Conventionally, when it is feared that dew condensation will occur on a metal folded plate roof, the most common method for preventing dew condensation is as follows.
Although there is a structure in which a sheet-shaped heat insulating material for preventing dew condensation is placed on the indoor side of the metal folding plate, there is a method of laying a heat insulating material under the metal folding plate on site to give more heat insulating function. As a material capable of exhibiting heat insulation and sound absorption performance over a long period of time, there is a structure disclosed in Japanese Patent Laid-Open No. 3-240, in which a glass fiber heat insulating material is arranged on the indoor side surface of a metal folded plate and the surface is covered with a reinforcing sheet. Further, as a higher performance than the above-mentioned prior art, a structure in which a metal folded plate is doubled and an airtight material is filled between them and a glass fiber heat insulating material is arranged is implemented.

[0003]

A structure in which a sheet-shaped heat insulating material for preventing dew condensation is simply arranged on the indoor side of a conventional metal folded plate is effective in preventing dew condensation, but the heat insulation performance is not sufficient. It cannot be said that the indoor thermal environment cannot be improved significantly.
Therefore, in order to improve the heat insulation performance, there is a method of laying a heat insulating material on the main building in advance and then installing a metal folded plate, but the work amount at high places for laying the heat insulating material increases, so the construction period also becomes longer and The performance is likely to vary depending on the quality. As a countermeasure, a structure in which a heat insulating material is sandwiched between double metal folding plates has been implemented. However, in this structure, the metal folding plates are arranged on the indoor side instead of greatly improving the heat insulating performance, so sound absorption performance is improved. There is a problem in that the weight of the metal folded plate is increased and the price is high because the metal folded plate is used twice as much as usual.

As a solution to these problems, there has been proposed a structure in which a glass fiber heat insulating material is arranged on the indoor side surface of a metal folded plate and the surface is covered with a reinforcing sheet as disclosed in Japanese Patent Laid-Open No. 3-240. When the density and thickness of the glass fiber heat insulating material are increased in order to improve heat insulation and sound absorption performance, the glass fiber heat insulating material is attached to the metal folded plate, and when the glass fiber heat insulating material is attached, the bent portion of the metal folded plate is Since it becomes difficult to attach the heat insulating material and there is a great risk that the heat insulating material will be peeled off by the spring back even after the application, it is necessary to cut the portion of the glass fiber heat insulating material into a V shape in advance. Since the reinforcing sheet that coats the inside is pre-rolled at the ends and then bonded, there is a new problem in that the time and effort for sticking the heat insulating material increase and the management of the bonded surface is not easy. It was.

The present invention has been made to solve the above-mentioned problems of the prior art. A metal composite roof having fire resistance, heat insulation, dew protection, and sound absorption functions can be easily and surely constructed. A composite roofing material and a construction method thereof are provided.

[0006]

A metal composite roofing material according to the present invention uses a metal folded plate for a roof of a building as a base material,
A heat insulating mat formed by covering at least one surface of a mat-like or felt-like rock wool heat insulating material with a reinforcing surface covering sheet is attached to the metal folded plate with the reinforcing surface covering sheet as the indoor surface. It will be.

Another metal composite roofing material according to the present invention uses a metal folded plate for a roof of a building as a base material, and at least one surface of a mat-like or felt-like heat insulating material is separated from the width of the heat insulating material. A heat insulating mat formed by coating with a reinforcing surface covering sheet having a long width is attached to the metal folding plate as the indoor surface of the reinforcing surface covering sheet, and from the heat insulating material of the reinforcing surface covering sheet. The side portion of the heat insulating material is covered with the protruding portion, and the surplus portion beyond the coating is attached to the seam portion of the metal folded plate. Yet another method of constructing a metal composite roofing material according to the present invention is to use at least one surface of a mat-like or felt-like heat insulating material as a base material with a metal folded plate to be used for a roof of a building as a width of the heat insulating material. A heat insulating mat formed by being coated with a reinforcing surface covering sheet having a width longer than that of the reinforcing surface covering sheet is attached to the metal folding plate as an indoor surface, and the heat insulating material of the reinforcing surface covering sheet. While covering the side surface of the heat insulating material with the protruding portion, the surplus portion beyond the coating is attached to the seam portion of the metal folded plate to pre-construct a metal composite roof material, and the metal composite roof material is constructed as a building. It was installed and installed in the main building of.

[0008]

In the present invention, the metal composite roofing material has a metal folded plate used for the roof of a building as a base material, and at least one surface of the rock wool heat insulating material in the form of a mat or felt is covered with a surface covering sheet for reinforcement. The heat insulating mat formed by the above is applied to the metal folding plate in advance by using the reinforcing surface covering sheet as the indoor side surface.Therefore, the dangerous work of laying the heat insulating material in advance on the purlin at the site is possible. It is not necessary, and the construction can be performed in the same procedure as the normal metal folding plate roof construction. Further, the rock wool heat insulating material of the heat insulating material mat in such a metal composite roofing material has a higher heat resistant temperature than the glass fiber heat insulating material, so that it is not only advantageous in fire resistance but also
When compared at the same density, it is more flexible than the glass fiber heat insulating material and has good followability to the metal folded plate that is the base material when sticking, so the sticking work is easy, and the spring back even after sticking makes the heat insulating material There is little danger of peeling. In addition, it is often unnecessary to cut the bent portion into a V shape, and in that case, the attaching operation is further simplified.

Further, a heat insulating mat formed by covering at least one surface of a mat-like or felt-like heat insulating material with a reinforcing surface covering sheet having a width larger than the width of the heat insulating material is used as the reinforcing surface. The cover sheet is attached to the metal folded plate as the surface on the indoor side, and the side surface of the heat insulating material is covered with the protruding portion of the reinforcing surface covering sheet from the heat insulating material, and the surplus portion beyond the coating is the metal folded plate. In the metal composite roofing material that is attached to the seam, the step of attaching the end portion of the reinforcing surface covering sheet can be performed very easily, and the management of the adhesive surface is easy, so the end portion of the reinforcing surface covering sheet is Adhesion of parts is also ensured, and if the pre-constructed metal composite roofing material is installed and installed on the purlin of the building, it is a dangerous work to pre-install heat insulating material on the purlin on site. Becomes unnecessary, ordinary metal folded plate roof construction and enables construction by exactly the same procedure is effective in preventing delamination and detachment of the heat insulating material even after construction.

[0010]

1 is a sectional view of a metal composite roofing material of an embodiment of the present invention, FIG. 2 is an enlarged sectional view of an end portion of the metal composite roofing material of the same embodiment, and FIG. 3 is a metal composite roofing material of the same embodiment. It is sectional drawing which shows the edge part combination state of material. In the figure, 1 is a metal folded plate which is a base material of the metal composite roofing material, and 1 a is a hook-shaped seam portion of the metal folded plate 1. Reference numeral 2 is a heat insulating material mat bonded to the indoor surface of the metal folded plate 1. The heat insulating mat 2 has a density of 40 to 8 in which one surface is bonded to the indoor surface of the metal folded plate 1.
It is composed of a matt rock wool heat insulating material 3 having a thickness of about 0 kg / m ³ and a thickness of 15 m / m to 100 m / m, and a reinforcing surface coating sheet 4 for covering the other surface of the rock wool heat insulating material 3. ing. The width of the reinforcing surface covering sheet 4 is formed to be larger than the width of the rock wool heat insulating material 3.

The reinforcing surface coating sheet 4 has a weight of 200 g / m ² and a glass cloth 6 having a thickness of 0.18 m / m.
It is made of an aluminum foil 5 having a thickness of 0.02 m / m reinforced by the above and is adhered to the rock wool heat insulating material 3 with the surface of the aluminum foil 3 facing up to cover the rock wool heat insulating material 3. In addition to the glass cloth 6, as the reinforcing material of the reinforcing surface covering sheet 4, a non-woven fabric, a gauze cloth, an aluminum glass cloth,
Aluminum kraft paper, aluminum glass kraft paper, polyethylene, vinyl chloride, etc. are applied.

Adhesion of the heat insulating mat 2 to the metal folded plate 1
First, about 140 g / m ² of a chloroprene rubber adhesive was sprayed on the indoor side surface of the metal folding plate 1, and then the surface covering sheet 4 for reinforcement of the heat insulating mat 2 was exposed to the surface, and the rock wool heat insulating material of the heat insulating mat 2 was used. 3 is installed on the indoor surface of the folded metal plate 1 and pressure-bonded. Next, since the width of the reinforcing surface covering sheet 4 is longer than the width of the rock wool heat insulating material 3, as shown in FIG. 1, the portion of the reinforcing surface covering sheet 4 protruding from the rock wool heat insulating material 3 is insulated with rock wool. The side surface of the material 3 is coated, and the excess portion beyond the coating is not caught in the rock wool heat insulating material 3 and the seam portion 1 of the metal folding plate 1
The heat-insulating material mat 2 is adhered to the metal folding plate 1 after being attached to a, and the metal composite roofing material is formed.

The rock wool heat insulating material 3 constituting the heat insulating material mat 2 for such a metal composite roofing material has a higher heat resistance temperature than the glass fiber heat insulating material, so that it is not only advantageous in fire resistance but also compared with the same density. In this case, since it is softer than the glass fiber heat insulating material and has good followability to the metal folded plate 1 serving as the base material when it is attached, the attachment work becomes easy, and even after attachment, the rock wool insulation material 3 is provided by spring back.
There is little danger of peeling. In many cases, it is not necessary to cut the bent portion into a V shape. In that case,
Further, the pasting work is simplified. Insulation mat 2
As shown in the correlation graph between the sound absorption coefficient and the frequency according to the difference of the surface material of the rock wool in FIG. 7, the reinforcing surface covering sheet 4 constituting the above does not significantly hinder the sound absorbing performance of the rock wool heat insulating material 3. .

Further, in the case where the widthwise end portion of the reinforcing surface covering sheet 4 is stuck to the seam portion 1a of the metal folding plate 1, the step of sticking the end portion of the reinforcing surface covering sheet 4 is extremely simple. It is possible and the management of the adhesive surface is easy. Therefore, the adhesion of the end portion of the reinforcing surface covering sheet 4 is also ensured, and it is effective for preventing the layered peeling and dropping of the rock wool heat insulating material 3 during and after the roof construction. This effect is the same for the glass fiber heat insulating material. Further, the reinforcing surface covering sheet 4 is made of the glass cloth 6
In the impermeable one made of aluminum foil 5 reinforced with,
Since sufficient airtightness can be obtained, the entry of water into the rockwool heat insulating material 3 is prevented, and the performance of the rockwool heat insulating material 3 can be maintained without degrading the heat insulating property due to dew condensation water.
This effect also applies to the glass fiber heat insulating material.

2 and 3, the reinforcing surface covering sheet 4 has a larger width than that shown in FIG.
The metal-like folded plate 1 is formed by adhering to the upper surface of the hook portion 1a. Then, when the metal composite roofing material configured by this method is applied, when the seam portion 1a to which the widthwise ends of the reinforcing surface covering sheet 4 are adhered is abutted as shown in FIG. Since the width-direction end portions of the surface covering sheet 4 for abutment are mechanically joined by the seam portions 1a, 1a and the suspenders 9 fastened thereto by the bolts 7 and the nuts 8, the heat insulating material mat A metal composite roof with higher reliability against peeling of 2 is constructed. Reference numeral 10 is a cap that covers the suspension 9. Since the roof construction is performed in the same manner as a normal metal folded sheet roof after the metal composite roof material is constructed in advance, the construction period of the roof using the metal composite roof material does not become long.

FIG. 4 is a sectional view of a metal composite roofing material of another embodiment of the present invention, FIG. 5 is an enlarged sectional view of an end portion of the metal composite roofing material of the same embodiment, and FIG. 6 is a metal composite of the same embodiment. It is sectional drawing which shows the edge part combination state of a roof material. This embodiment is different from the embodiment shown in FIG. 1 in the shape of the fitting portion of the metal folded plate 1, and the structure of the heat insulating material mat 2 bonded to the other metal folded plate 1 is the same as that shown in FIG. Since it is the same as the above, the description of the configuration and operation is omitted. Reference numeral 1b denotes one L-shaped seam portion of the metal folding plate 1, and 1c denotes another U-shaped seam portion of the metal folding plate 1. Then, when the metal composite roofing material configured by this method is applied, as shown in Fig. 6, the end portions in the width direction of the reinforcing surface covering sheet 4 are bonded to the upper surface thereof, and the seam portions 1b and 1c are projected. When the seams 1c are fitted together and the seams 1b and 1c are fitted together, the widthwise ends of the reinforcing surface covering sheet 4 are mated.
Since they are mechanically joined by c, a metal composite roof with higher reliability against peeling of the heat insulating material mat 2 is constructed.

[0017]

As described above, the present invention provides a metal composite roofing material, in which a metal folded plate used for the roof of a building is used as a base material.
A heat insulating mat formed by covering at least one surface of a mat-like or felt-like rock wool heat insulating material with a reinforcing surface covering sheet is attached to the metal folded plate with the reinforcing surface covering sheet as the indoor surface. Because it is a thing that can be easily attached to the insulation mat,
The dangerous work of laying the insulating material in advance on the purlin at the site is no longer necessary, and the procedure can be performed in exactly the same way as the normal metal folding plate roof construction, and the risk of the insulating material peeling off due to springback after construction is small. It has the effect of obtaining a roof that is inexpensive and has high fire resistance, heat insulation, dew protection, and sound absorption functions for a long time.

Further, a heat insulating mat formed by covering at least one surface of a mat-like or felt-like heat insulating material with a reinforcing surface covering sheet having a width longer than the width of the heat insulating material is used as the reinforcing surface. The cover sheet is attached to the metal folded plate as the surface on the indoor side, and the side surface of the heat insulating material is covered with the protruding portion of the reinforcing surface covering sheet from the heat insulating material, and the surplus portion beyond the coating is the metal folded plate. In the metal composite roofing material that is attached to the seam, the step of attaching the end portion of the reinforcing surface covering sheet can be performed very easily, and the management of the adhesive surface is easy, so the end portion of the reinforcing surface covering sheet is This has the effect of ensuring reliable adhesion of the parts. Also, if the pre-built metal composite roofing material is installed and installed on the purlin of the building, the dangerous work of laying the heat insulating material on the purlin on the spot beforehand becomes unnecessary,
Construction is possible in exactly the same way as normal metal folded plate roof construction, and it has the effect of obtaining a roof that exhibits low cost, high fire resistance, heat insulation, dew prevention, and sound absorption functions for a long period of time, as well as insulation It has the effect of effectively preventing delamination and falling off.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a metal composite roofing material according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of an end portion of the metal composite roofing material of the same example.

FIG. 3 is a cross-sectional view showing a combined end portion of the metal composite roofing material of the same embodiment.

FIG. 4 is a sectional view of a metal composite roofing material of another embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view of an end portion of the metal composite roofing material of the same example.

FIG. 6 is a cross-sectional view showing a combined end portion of the metal composite roofing material of the same embodiment.

FIG. 7 is a graph showing a correlation between sound absorption coefficient and frequency depending on the surface material of rock wool.

[Explanation of symbols]

 1 Metal Folding Plate 1a Wedge 2 Heat Insulation Mat 3 Rockwool Insulation 4 Reinforcing Surface Cover Sheet 5 Aluminum Foil 6 Glass Cloth

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takako Fukushima 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Nihon Steel Pipe Co., Ltd.

Claims (3)

[Claims] 1. A heat insulating mat formed by using a metal folded plate for a roof of a building as a base material, and at least one surface of a mat-like or felt-like rock wool heat insulating material is covered with a reinforcing surface coating sheet. A metal composite roofing material, characterized in that the reinforcing surface-coated sheet is used as the indoor surface to be attached to the metal folding plate. 2. At least one of a mat-like or felt-like heat insulating material, which uses a metal folded plate for a roof of a building as a base material.
A heat insulating mat formed by covering one surface with a reinforcing surface covering sheet having a width larger than that of the heat insulating material is attached to the metal folding plate as the indoor surface with the reinforcing surface covering sheet, and the reinforcement A metal composite roof characterized in that the side surface of the heat insulating material is covered with the protruding portion of the surface covering sheet for use in the heat insulating material, and the surplus portion beyond the covering is attached to the seam portion of the metal folded plate. Material. 3. A heat insulating mat formed by using a metal folded plate as a base material, and covering at least one surface of a mat-like heat insulating material with a reinforcing surface covering sheet having a width longer than the width of the heat insulating material. Affixing the reinforcing surface covering sheet as an indoor surface to the metal folding plate, covering the side surface of the heat insulating material with the protruding portion of the reinforcing surface covering sheet from the heat insulating material, and the surplus portion beyond the covering. The method for constructing a metal composite roofing material, wherein the metal composite roofing material is attached in advance to the seam of the metal folded plate to preliminarily construct a metal composite roofing material, and the metal composite roofing material is attached to a purlin of a building for construction.