ASTM International - ASTM E1042-92(1997)e1
Standard Classification for Acoustically Absorptive Materials Applied by Trowel or Spray
|Publication Date:||10 March 1997|
|ICS Code (Acoustics in building. Sound insulation):||91.120.20|
1.1 This classification covers materials applied by trowel or spray to surfaces for the purpose of increasing their acoustical absorption.