Asico manufactures acoustic steel doors meet all of the ASTM acoustic requirements:
·E336 Standard Test Method for Measurement of Airborne Sound Insulation in Building.
·E413 Standard Classification for Determination of Sound Transmission Class (STC).
·C423 Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method.
In addition to the door leaf filler core is a special sound insulation material, we usually equip the door with the following hardware to ensure sufficient sound transmission.
1. Electromagnetic sealing soundproof strip installed on the door stop
2. The retractable soundproof sealing strip installed between the door frame and the door leaf
3. Surface mounted automatic door bottom
4. Aluminum alloy threshold