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F-C2
Legend
Installation 2 - Dry:
F2
Mineral wool filling (min. 50 kg/m3)
F3
Fire resistive coating, e.g. Promastop-CC/Promat
F4
Screw d=5.5; e.g. DIN7981
1
Fire damper (F-C2)
2
Connected metal ductwork
A1
Cover boards CBR-C2 (accessory) obligatory
A2
Flexible duct coupling FCR-C2 / return plastic or metal valve (e.g. BALANCE-E)
3
Concrete/masonry/cellular concrete wall or ceiling
4
Flexible (plasterboard) wall
4a
2 layers of plasterboard fireproof plate type F, EN 520
4b
Vertical CW – profiles
4c
Horizontal UW – profiles
4d
Mineral wool; thickness/cubic density see picture.