Sound control flooring systems and methods therefor

Abstract

A sound control flooring system adapted to reduce the transmission of airborne sound in a building structure. The system generally includes a subfloor assembly; a first layer of sound absorbing material disposed atop at least a portion of the subfloor assembly, a second layer of sound absorbing material disposed atop at least a portion of the first layer of material, and a cementitious overlay, adapted to receive finished flooring thereon, disposed atop at least a portion of the second layer of material. In an example embodiment, the second layer of sound absorbing material is disposed atop a portion of the first layer of material that generally corresponds to an area of the flooring system adapted to receive a high volume of foot traffic thereon.

1 . A sound control flooring system adapted to reduce the transmission of airborne sound in a building structure, wherein the system comprises: 
 a subfloor assembly;    a first layer of material disposed atop at least a portion of the subfloor assembly, wherein the first layer of material is constructed of a sound absorbing material;    a second layer of material disposed atop at least a portion of the first layer of material, wherein the second layer of material is constructed of a sound absorbing material; and    a cementitious overlay disposed atop at least a portion of the second layer of material, wherein the overlay is adapted to receive finished flooring thereon.    
   
   
       2 . The sound control flooring system of  claim 1 , wherein the first layer of material is a three dimensional matrix filamentous mat manufactured from a thermoplastic material.  
   
   
       3 . The sound control flooring system of  claim 2 , wherein the second layer of material is thermoplastic mat having a plurality of projections extending from a surface thereof.  
   
   
       4 . The sound control flooring system of  claim 3 , wherein the projections are at least one of a conical projection, a pyramidal projection, a frustro-conical projection, and a cuspated projection.  
   
   
       5 . The sound control flooring system of  3 , wherein the first layer of material is disposed atop substantially all of the subfloor assembly.  
   
   
       6 . The sound control flooring system of  claim 5 , wherein the second layer of material is disposed atop a portion of the first layer of material.  
   
   
       7 . The sound control flooring system of  claim 6 , wherein the portion of the first layer of material corresponds to an area of the flooring system adapted to receive a high volume of foot traffic thereon.  
   
   
       8 . The sound control flooring system of  claim 6 , wherein the portion is defined by a first edge, a second edge spaced apart and parallel to the first edge, a third edge perpendicular to the first and second edges, and a fourth edge spaced apart and parallel to the third edge, and wherein the second layer of material is disposed between the first, second, third and fourth edges.  
   
   
       9 . The sound control flooring system of  claim 8 , wherein the first edge is disposed parallel to a first wall of a building structure and is separated therefrom by a first distance, wherein the second edge is disposed parallel to a second wall of the building structure and is separated therefrom by a second distance, wherein the third edge is disposed parallel to a third wall of the building structure and is separated therefrom by a third distance, and wherein the fourth edge is disposed parallel to a fourth wall of the building structure and is separated therefrom by a fourth distance.  
   
   
       10 . The sound control flooring system of  claim 9 , wherein the first distance, the second distance, the third distance, and the fourth distance are a substantially identical distance.  
   
   
       11 . The sound control flooring system of  claim 9 , wherein the first distance, the second distance, the third distance, and the fourth distance are each a distance of eighteen inches.  
   
   
       12 . The sound control flooring system of  claim 10 , wherein the cementitious overlay is disposed atop at least a portion of the first layer of material.  
   
   
       13 . A sound control flooring system adapted to reduce the transmission of airborne sound in a building structure, wherein the system comprises: 
 a subfloor assembly;    a first layer of material disposed atop substantially all of the subfloor assembly, wherein the first layer of material is constructed of a sound absorbing material;    a second layer of material disposed atop a portion of the first layer of material, wherein the second layer of material is constructed of a sound absorbing material; and wherein the portion of the first layer of material corresponds to an area of the flooring system adapted to receive a high volume of foot traffic thereon; and    a cementitious overlay disposed atop at least a portion of the second layer of material and the first layer of material, and wherein the overlay is adapted to receive finished flooring thereon.    
   
   
       14 . The sound control flooring system of  claim 13 , wherein the first layer of material is a three dimensional matrix filamentous mat manufactured from a thermoplastic material.  
   
   
       15 . The sound control flooring system of  claim 14 , wherein the second layer of material is thermoplastic mat having a plurality of projections extending from a surface thereof, and wherein the projections are at least one of a conical projection, a pyramidal projection, a frustro-conical projection, and a cuspated projection.  
   
   
       16 . The sound control flooring system of  claim 15 , wherein the portion of the first layer of material is defined by a first edge, a second edge spaced apart and parallel to the first edge, a third edge perpendicular to the first and second edges, and a fourth edge spaced apart and parallel to the third edge, and wherein the second layer of material is disposed between the first, second, third and fourth edges.  
   
   
       17 . The sound control flooring system of  claim 16 , wherein the first edge is disposed parallel to a first wall of a building structure and is separated therefrom by a first distance, wherein the second edge is disposed parallel to a second wall of the building structure and is separated therefrom by a second distance, wherein the third edge is disposed parallel to a third wall of the building structure and is separated therefrom by a third distance, and wherein the fourth edge is disposed parallel to a fourth wall of the building structure and is separated therefrom by a fourth distance, and wherein the first distance, the second distance, the third distance, and the fourth distance are a substantially identical distance.  
   
   
       18 . The sound control flooring system of  claim 17 , wherein the first distance, the second distance, the third distance, and the fourth distance are each a distance of eighteen inches.  
   
   
       19 . A method for installing a sound control flooring system adapted to reduce the transmission of airborne sound in a building structure, wherein the method comprises the steps of: 
 disposing a first layer of material atop at least a portion of a subfloor assembly, wherein the first layer of material is constructed of a sound absorbing material;    disposing a second layer of material atop at least a portion of the first layer of material, wherein the second layer of material is constructed of a sound absorbing material; and    disposing a cementitious overlay atop at least a portion of the second layer of material, and wherein the overlay is adapted to receive finished flooring thereon.    
   
   
       20 . The method of  claim 19 , wherein the first layer of material is a three dimensional matrix filamentous mat manufactured from a thermoplastic material.  
   
   
       21 . The method of  claim 20 , wherein the second layer of material is thermoplastic mat having a plurality of projections extending from a surface thereof.  
   
   
       22 . The method of  claim 21 , wherein the projections are at least one of a conical projection, a pyramidal projection, a frustro-conical projection, and a cuspated projection.  
   
   
       23 . The method of  3  further comprising the step of disposing the first layer of material atop substantially all of the subfloor assembly.  
   
   
       24 . The method of  claim 23 , wherein the second layer of material is disposed atop a portion of the first layer of material corresponding to an area of the flooring system adapted to receive a high volume of foot traffic thereon.  
   
   
       25 . The method of  claim 24 , wherein the portion is defined by a first edge, a second edge spaced apart and parallel to the first edge, a third edge perpendicular to the first and second edges, and a fourth edge spaced apart and parallel to the third edge, and wherein the second layer of material is disposed between the first, second, third and fourth edges.  
   
   
       26 . The method of  claim 25 , wherein the first edge is disposed parallel to a first wall of a building structure and is separated therefrom by a first distance, wherein the second edge is disposed parallel to a second wall of the building structure and is separated therefrom by a second distance, wherein the third edge is disposed parallel to a third wall of the building structure and is separated therefrom by a third distance, and wherein the fourth edge is disposed parallel to a fourth wall of the building structure and is separated therefrom by a fourth distance.  
   
   
       27 . The method of  claim 26 , wherein the first distance, the second distance, the third distance, and the fourth distance are a substantially identical distance.  
   
   
       28 . The method of  claim 27 , wherein the first distance, the second distance, the third distance, and the fourth distance are each a distance of eighteen inches.  
   
   
       29 . The method of  claim 27  further comprising the step of disposing the cementitious overlay atop at least a portion of the first layer of material.