21
FIRE DAMPER - FD
Possible damper orientations
Rigid wall
installation
(Fire Batt/
Weichschott)
The wall is composed of concrete blocks
(minimum density of 550 kg/m³) or
reinforced concrete (minimum density of 2200 kg/m³)
and with a minimum thickness of 100 mm.
Installation material: mineral wool
(C)
(minimum density of 140 kg/m³),
fire protection coating
(D)
.
1.
Recommended wall opening for fire
damper installation is B(H) +
100
mm,
but
openings from B(H) + 80…
300
mm
can
also be used.
2.
Bend the fixing bracket
(A)
90°
(bracket screw hole is 6 mm in diameter).
Place the damper in the opening up to
the
wall limit mark
(B)
on the damper.
Damper blade must be closed
during installation!
3.
Close space between casing and
wall with two layers of mineral wool
(C)
(50 mm thick, coated on one side).
Seal the connections of mineral wool
with wall and damper with intumescent
fire resistant sealant
(D)
. Mineral wool
and damper casing must be coated
with 2 mm thick fire protection coating.
*Multiple fire dampers can be installed next to each
other or ceiling/wall with the minimal distance of
30 mm between them,
.
**Fire Batt/ Weichschott installations adjacent to ceiling
or wall require a suspension for the fire damper. For
more details,
see page 30
.
Test the operation of the damper blade!
2
1
3
A
C
D
B
INSTALLATION
Always e
nsure the damper is sufficiently supported
