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• the front plasterboards layers are fixed using long enough screws
to pass through the lower plasterboard and attach to the steel pro-
file underneath.
1. Plasterboard thickness 12,5 mm
2. Rock wool density up to 100 kg/m³ (optional)
3. Reinforcement sheet
4. Horizontal U-shaped profile
5. Vertical C-shaped profile
6. Self-drilling screw Ø 3,5 X 25 mm
7. Self-drilling screw Ø 3,5 X 35 mm
Gypsum blocks light walls
Gypsum blocks wall can be built with special solid gypsum blocks
with interlocking shaped edges as indicated in the supplier's in-
structions and according to the following characteristics:
• minimum thickness 70 or 100 mm according to the type and resi-
stance class required;
• minimum density 995 kg/m³.
It is generally advisable to first build the wall and then provide the
opening for the fire damper.
Aerated concrete floors
Aerated concrete floors can be built during installation or with pre-
formed slabs with interlocking shaped edges according to the fol-
lowing characteristics:
• minimum thickness 100 or 150 mm according to the type and re-
sistance class required;
• minimum density 650 kg/m³
Poured concrete floors
Poured concrete floors can be built during installation or with pre-
formed slabs with interlocking shaped edges according to the fol-
lowing characteristics:
• minimum thickness 100 or 150 mm according to the resistance
class required;
• minimum density 2200 kg/m³.
Installations within vertical rigid wall
Refer to the section Construction supports characteristics for further
information.
Comply with the minimum distances indicated on section Minimum
distances .
Before and after installation please perform a functional test. Refer to
section Mechanism type for further information .
Wall opening
A opening must be provided in the wall as indicated in the table and
in the drawing
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.
Filling
Fill the space between the wall and the damper as indicated in the
table and in the drawing.
Sealing with concrete is not allowed.
Fire resistance classification
“D” hole size
[mm]
Damper protrusion from
the wall “E”
[mm]
Wall minimum thickness “S”
[mm]
Sealing
EI 90 S Installation within vertical rigid wall
Wall minimum density 500 kg/m³
EI 90 S
(500 Pa)
Da (Ø + 35) x (Ø + 35)
to (B + 50) x (H + 50)
(square hole)
215 + Lp
100
Rock wool 100 kg/m³
with infill plasterboard
(thickness 12.5 mm)
EI 120 S Installation within vertical rigid wall
Wall minimum density 500 kg/m³
EI 120 S
(500 Pa)
From Ø + 25
to Ø + 580
(square or circular hole)
215 + Lp
100
Mortar or plaster putty
sealing
rev 20-10
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We reserve the right to make changes without prior notice
