Double steel skins over acoustic and insulating cores, giving fire resistance plus 30–40 dB sound reduction for plant rooms, cinemas and meeting spaces.
Key features
Fire + acoustic30–40 dBDouble skin
Common specifications
Sound reduction
30–40 dB, higher on request
Leaf build
Double steel skin + acoustic core
Fire rating
Class A 1.5 h / B 1.0 h
Seals
Intumescent seals + automatic drop seal
Standard
GB 12955-2008
The above are common specifications; final details are confirmed per project. Drawings accepted.