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FBC
FBC
InSTAllATIon
1 - 4 - 7
1 - 4 - 7
3.12.
Installations within vertical wall with Fire Batt (Weichschott) sealing
See section Construction supports characteristics for more details, observe the minimum distances indicated in section
Minimum distances , carry out a functional test before and after installation. See section for more details.
3.12.1.
Wall opening
A opening must be provided in the wall as indicated in the drawing.
3.12.2.
Damper positioning
Install the fire damper in the ventilation duct as shown in the drawing. Close the blade before installing the fire damper
3.12.3.
Filling
Fill the space between the damper and the wall using Fire Batt (weichschott) sealing made from two rock wool panels with
minimum thickness of 50 mm and minimum density of 140 kg/m³.
The panels must be covered on both faces of the wall with endothermic varnish type PRoMASToP E PASTE or HIlTI CFS-CT
(minimum thickness of 1 mm) and with an internal perimeter sealant type PRoMASToP E PASTE or HIlTI CFS-S ACR (mini-
mum thickness of 1 mm).
3.12.4.
Insulation
The wall must be of the same or higher strength class than the damper.
Weichschott wall, ducted on both sides
1.
Rock wool panel 50 mm thick with 140 kg/m³ density.
2.
PROMASTOP E PASTE or HILTI CFS-S ACR type sealant
3.
PROMASTOP E PASTE or HILTI CFS-CT endothermic varnish
4.
Ventilation duct
5.
Fire damper
6.
Vertical rigid wall density ≥550 kg/m³ or vertical light wall
(plasterboard) type A (FBC1) ; type F: FBC4 and FBC7 (EN 520)
D
nominal diameter + 600 max
We reserve the right to make changes without prior notice
rev 24-01
63
63/78
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