Type V370
Valve installation before assembly of
ventilation ducts.
Fig. 7a
Valve installation with simultaneous assembly of
ventilation ducts.
Fig. 7b
Metal profile of
plaster wall
Steel profile of plaster
wall
Plaster boards
Plaster boards
Plaster board 12.5mm
4 layers
Plaster board
12.5mm
2 warstwy
Screws for plaster
Cut-off partition
Suspended
ventilation duct
Suspended
ventilation duct
Mineral wool with
thickness of min.
100kg/m
3
or fire-safety
foam e.g. PROMAFOAM
Fire-safety foam e.g.
PROMAFOAM
Mineral wool min.
100kg/m
3
Mineral wool min.
100kg/m
3
Angle bar metal strip
50x25x1
Bilateral sealing of the valve and
wall with fire-safety mass e.g.
PROMASEAL-Mastic
drive
drive
