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US 2012/0055108 A1Published application
Lightweight acoustical flooring underlayment
AssigneeUnited States Gypsum Company
InventorLance William Bierwirth
Life of this patent
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Abstract
An acoustical flooring underlayment for placement between a subfloor and a finished floor, includes a mat having an upper surface, an opposite lower surface and including a plurality of corrugations creating a plurality of depressions in the upper surface. A layer of foam is applied to the upper surface and constructed and arranged to fill the depressions for creating a generally planar top surface configured for accommodating the finished floor.
Claims16
An acoustical flooring underlayment for placement between a subfloor and a finished floor, comprising:
- a mat having an upper surface, an opposite lower surface and including a plurality of corrugations creating a plurality of depressions in said upper surface;
- and
- a layer of foam applied to said upper surface and constructed and arranged to fill said depressions for creating a generally planar top surface configured for accommodating the finished floor.
A floor system, comprising:
- a subfloor;
- a poured settable underlayment placed upon said subfloor;
- a mat placed upon said settable underlayment, said mat having a plurality of corrugations and defining an upper surface and a lower surface;
- a layer of foam placed upon said upper surface of said mat to fill corrugations in said upper surface for forming a planar top surface;
- a layer of adhesive enhancing composition placed upon said top surface;
- and
- a finished floor disposed upon said adhesive enhancing composition.
4 more elements
Dependencies are inferred from the claim text.