ASTM E1042-02(2014) - 1.3.2014
 
Significance and Use

4.1 Acoustically absorptive materials are used for the control of reverberation and echoes in rooms. This standard provides a classification method for acoustically absorptive materials applied directly to surfaces by trowel or by spray.

 
1. Scope

1.1 This classification covers materials applied by trowel or spray to surfaces for the purpose of increasing their acoustical absorption.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

 
2. Referenced Documents

C423-23e1

Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method (Includes all amendments and changes 8/9/2024).

E859-93(2000)

Standard Test Method for Air Erosion of Sprayed Fire-Resistive Materials (SFRMs) Applied to Structural Members

E795-23

Standard Practices for Mounting Test Specimens During Sound Absorption Tests

E84-26a

Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 4/15/2026).

C634-22

Standard Terminology Relating to Building and Environmental Acoustics