JPH0138183Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a soundproof insulation board for inner walls that has excellent heat insulation and sound insulation effects.

Traditionally, interior walls of housing complexes made of reinforced concrete, buildings made of precast concrete boards, ALC boards, etc. have been painted using a simpler method than painting with mortar or plaster, as shown in Figures 3 and 4. As shown, a method has been used in which a hard surface material 1 such as a gypsum board is attached to a wall 8 using a gypsum bond 5 or an adhesive 6. Furthermore, in order to improve the heat insulation properties, heat insulating composite boards in which these hard face materials are lined with a hard synthetic resin foam such as a hard urethane foam have also been used.

However, such hard surface materials and heat-insulating composite boards do not have a soundproofing effect that blocks the propagation of sound caused by vibrations from the outside or inside of the wall.

In other words, since the hard surface material, heat insulating composite board, plaster bond or adhesive, and wall are all made of hard materials and have an integral structure, sound will propagate through each hard material. . In addition, in the GL method, as shown in Fig. 3, in which the gypsum bond 5 is raised in a dumpling shape and bonded,
Since an air layer 7 is formed between the wall and the hard surface material (or the heat insulating composite board), the air layer has a spring-like action that tends to cause sound amplification due to resonance.

The present invention aims to eliminate such conventional drawbacks and provide a soundproof and heat-insulating board for inner walls that has not only heat insulation properties but also excellent sound insulation properties.

In other words, the present invention is a soundproof and heat-insulating board for interior walls that is made by sequentially laminating and integrating a hard surface material, a sound-absorbing material with a load of 30 g/cm ² or more at 10% strain, a hard synthetic resin foam, and a moisture-proof material. Involved.

As the hard surface material 1 in the present invention, gypsum board, calcium silicate board, asbestos slate board, perlite board, plywood board, lauan board, etc. can be used. The cushioning material 2 in this invention is soft polyurethane foam, polyethylene foam, soft PVC.
Foam, felt, glass wool mat, rock wool mat, etc. can be used, but these must have a load of 30 g/cm ² or more at 10% strain than the surface pressure resistance of the wall, and the thickness must be 3 mm or more. Preferably. As the hard synthetic resin foam 3 in the present invention, hard urethane foam, urethane-modified isocyanurate foam, isocyanurate foam, hard epoxy foam, styrene foam, phenol foam, etc. can be used. As the moisture-proof material 4 in the present invention, aluminum foil, polyethylene film, polypropylene film, polyester film, etc. can be used. This moisture proof material 4
In addition, non-woven fabric, kraft paper, etc. are laminated to improve adhesion with gypsum bond or adhesive, to improve adhesion to concrete during concrete pouring, and to reinforce the moisture-proof material 4. Also good. Hard surface materials, cushioning materials, hard synthetic resin foams,
In order to integrate the moisture-proof material, it is possible to integrate the layers by using an adhesive between each material, or in particular, if the material is a hard synthetic resin foam that has self-adhesive properties and can be integrally molded, its self-adhesive properties may be used. Using this method, a moisture-proof material and a cushioning material (a hard surface material may be bonded to the cushioning material in advance) may be laminated and integrated at the same time. In addition, in order to integrally install the heat insulating board of the present invention on a concrete wall surface, in addition to the above-mentioned method of attaching adhesive or plaster bond to the concrete wall surface, the heat insulating board can be used as a formwork and concrete can be poured into it to laminate it at the same time as the concrete hardens. A known method of integration may also be used.

The soundproof insulation board for inner walls of the present invention has excellent heat insulation properties and can absorb and damp sound vibrations propagating from the wall side or the hard surface material side with the buffer material, so it exhibits an excellent soundproofing effect.

Furthermore, when the GL method is used for bonding to the wall, the amplification of sound due to resonance, which conventionally tends to occur, can be absorbed and reduced by layering cushioning materials.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing an example of the sound-insulating board for internal walls of the present invention, FIG. 2 is a cross-sectional view showing the sound-insulating board for internal walls shown in FIG. 1 adhered to a wall, and FIG.
FIG. 4 is a sectional view showing a conventional example. 1... Hard surface material, 2... Cushioning material, 3... Hard synthetic resin foam, 4... Moisture proof material.

Claims (1)

[Scope of utility model registration request] A soundproof and heat-insulating board for interior walls that is made by sequentially laminating and integrating a hard surface material, a shock absorbing material with a sound absorbing property of 30 g/cm ² or more at a load of 10% strain, a hard synthetic resin foam, and a moisture-proof material.