Impact sound insulation

Abstract

A substrate for use in a flooring system which has a subfloor and a decorative upper layer. The substrate is made in a continuous sheet which has a bottom surface, a top surface, side surfaces and end surfaces. The top surface and the oppositely facing bottom surface are essentially parallel to each other and are spaced apart by the thickness of the substrate. Voids are provided in the substrate, the voids are provided between particles of rubber or other similar material. When the substrate is positioned between the subfloor and the decorative top layer, the particles of rubber provide the strength required to prevent deformation of the substrate in the direction of the thickness and the voids contribute to the sound dampening characteristics required to provide decibel reduction across the thickness of the substrate.

Description

FIELD OF THE INVENTION[0001]The invention is directed to sound insulating material for use in flooring. In particular, a sound insulating material which exhibits the strength characteristics required to properly support the decorative top layer of the flooring.BACKGROUND OF THE INVENTION[0002]Ceramic, masonry, and wood tiles have been used for many years in the construction industry. These materials are used for many reasons including strength, durability, and appearance. However, despite their numerous desirable qualities, these materials typically exhibit poor acoustic properties. Poor sound or acoustic properties are extremely undesirable in all structure, but in particular in high-rise buildings which are used as office buildings, hotels, apartments, and the like. As the occupants of one floor do not want to be disturbed from the occupants of the floor above, it is typical to add insulating material between the subfloor and the decorative tiles. In fact, standards have been deve...

AI Technical Summary

Benefits of technology

"The present invention provides an insulating material for use with decorative flooring tiles and the like which minimizes the height required. The insulating material has the acoustic properties and strength characteristics required for a flooring system. The invention also provides a substrate for use in a flooring system which has the strength characteristics to support the decorative layer and prevent damage thereto and the sound dampening characteristics to provide decibel reduction through the substrate."

Problems solved by technology

However, despite their numerous desirable qualities, these materials typically exhibit poor acoustic properties.

Poor sound or acoustic properties are extremely undesirable in all structure, but in particular in high-rise buildings which are used as office buildings, hotels, apartments, and the like.

While the insulating material of the prior art dampens the impact sound transmission, several disadvantages have been associated with the use of the insulating material.

All of these have problems associated therewith.

Increased thickness associated with these materials is a significant problem.

Moreover, the increased thickness of the floor increases the overall height required for the building, thereby significantly increasing the cost of materials and construction.

Additionally, as many of the materials are designed to reduce impact sound, the structural stability of the material is weak.

Without the support, the tiles would crack and deform as pressure is applied.

The introduction of the support layer further adds to the height requirements, resulting in greater expense.

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