INSTALLATIoN
WH45P
25
/42
rev 20-10
3.14.
Installation within floor with Fire Batt (Weichschott) sealing
Refer to the section Construction supports characteristi-
cs p. 16 for further information.
Comply with the minimum distances indicated on section
Minimum distances p. 14.
before and after installation please perform a functional
test. Refer to section Mechanism type for further informa-
tion p. 7.
3.14.1.
Floor opening
A opening must be provided in the floor as indicated in the
table and in the drawing
3.14.2.
Damper positioning
Position the damper in the opening so that the side of the
closing mechanism extends as indicated in the table and
in the drawing.
Close the blade before installing the fire damper.
3.14.3.
Filling
Fill the space between the damper and the floor 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 (minimum thickness of 1 mm).
Fire resistance classi-
fication
“D” hole size
[mm]
Damper protrusion
from the floor “E”
[mm]
Floor minimum
thickness “S”
[mm]
Sealing
EI 90 S Installation within floor and Fire Batt (Weichschott) sealing
Floor minimum density 650 kg/m³
EI 90 S
(300 Pa)
(Ø + 800 max) x (Ø +
800 max)
215 + Lp
150
Rock wool 140 kg/m³
and endothermic varnish
sealing
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
D
Hole size: see table above
E
Damper protrusion from the wall: see table above
Lp
Overlap length between fire damper and duct: see section
Dimension p. 9
WH45P
25
We reserve the right to make changes without prior notice