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F-C2
Damper Minimum Distances
(mm)
≥2
00
≥200
≥75
≥7
5
Legend
Installation 3 - Soft:
F5
Mineral wool filling (min. 100 kg/m3)
F6
Layer of fire resistive coating (Promastop-CC/Promat) at least 2 mm thick for exposed surfaces.
1
Fire damper (F-C2)
2
Connected metal ductwork
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.