Among its product line, Metalec manufactures acoustic steel doors having 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.

Metalec offers you the complete set including the door, the frame, the acoustic perimeter seal, the bottom seal and the aluminium treshold.

For any technical specifications, please click on the following link: