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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 instruc-
tions and according to the following characteristics:
• minimum thickness 70 or 100 mm according to the type and re-
sistance 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.
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 .
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 drawing.
EI 120 S Installation within vertical rigid wall
Wall minimum density 550 kg/m³
Lp Overlap length between fire damper and duct: see section Dimension
D
Hole size: see table above
1.
Screw M6 X 45 mm (minimum)
2.
Steel washer
3.
Anchor M6 x 45 mm (minimum)
Installations within vertical light wall (plasterboard)
„
Refer to the section Construction supports characteristics for further
information.
Comply with the minimum distances indicated on section Minimum
distances .
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 drawing.
Be careful not to damage the external intumescent gasket.
Secure the fire damper to the construction support with:
• 4 self-drilling screws Ø 3,5 X 45 mm
• 4 steel washer
12/16
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.
Be careful not to damage the external intumescent gasket.
Secure the fire damper to the construction support with:
• 4 screws M6 X 45 mm (minimum)
• 4 steel washer
• 4 anchors M6 x 45 mm (minimum)
Filling
†
It is not necessary to insert any material between construction sup-
port and damper.
Fire resistance classification
EI 120 S
(500 Pa)
Filling
†
It is not necessary to insert any material between construction sup-
port and damper.
"D" hole size
[mm]
(Ø + 100) x (Ø + 100)
(square hole)
Wall minimum thickness "S"
[mm]
100
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