LRA
Product and applications
Sandwich panel with a mineral wool core and pre-lacquered galvanized steel surfaces, featuring one perforated metal face. Designed for applications requiring sound insulation and/or sound absorption. Typical uses include soundproofing for commercial spaces, offices, industrial facilities, acoustic booths, and more. LRA panels are suitable for use in both partition walls and ceilings.
Technical details
Useful width : 1,150 mm
Minimum length : 2.0 m
Insulating core density : 120 kg/m3
Maximum manufacturing length : 12.5 m
Thickness (A) : 80 | 100 | 150 mm
Acoustic properties
Acoustic insulation : Global weighted sound reduction index A,R : 32.1 dBA | Weighted index of sound reduction (Rw) : 33 dB
Acoustic absorption : Sabine weighted sound absorption coefficient (α w) : 0.95 Acoustic absorption class : A