System
Duct 9
Fire Protection
FR120
Building Elements
Wall, Rigid Wall, Duct
Standard
BS 476-22:1987
Report No
WFRC C121316 (OW5), WFRC 397901
Certifire
-
Thickness
-
Internal Ref
Duct 9
Products Tested
LVHC44 Intumescent Air Transfer Grille