Marc-Ok plus
Resilient window curtain
Fire resistance:
EI 60 EI 90 EI 120
Shell thickness:
9 mm - 6 kg/m2 EI60 / EW120
18 mm - 9 kg/m2 EI90 / EW120, EI120 / EW120
Minimum shaft box dimensions:
250 x 275 (EI60), 325 x 350 (EI120)
Door size:
Designed per custom specifications
