Tetra acoustic ceiling panel

ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room ISO 11654:1997 Acoustics — Sound absorbers for use in buildings — Assessment of sound absorption ISO 20189:2018 Acoustics — Screens, furniture and loose objects intended for indoor use — Assessment of sound absorption and noise reduction of elements based on laboratory measurements ASTM C423-17 standard test method for sound absorption and sound absorption coefficients using the reverb chamber method ASTM E795-16 Standard Practices for Assembling Test Samples During Sound Absorption Tests

For daily cleaning, we recommend an alcohol solution (75%), e.g. Pantasept. If soiled by dust or fluff, use a feather duster or a regular feather duster vacuum cleaner. In case of heavy contamination, treat the material with hydrogen peroxide.

(60% certified post-consumer content)

DIN EN 13501-1: B-s1, d0 | ASTM E84 Class A

Declare label, Cradle to Cradle, UL Environmental Product Declaration, Member of the U.S. Green Building Council, Ecobau 1st Priority, Climmate-KIC, VOC emissions in LEED EQ credit (low-emitting products), SCS Recycled Contents