27
FIRE DAMPER - FD
Possible damper orientations
Rigid floor/ceiling
installation
(Fire Batt/
Weichschott)
The floor/ceiling 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 floor/ceiling opening
for fire damper installation is
B(H)+
100
mm, but openings from
B(H)+ 80…
300
mm can also be used.
Damper blade must be closed
during installation!
2.
Bend the fixing bracket
(A)
90°
(bracket screw hole is 6 mm in
diameter). Insert fire damper into wall to
the wall limit mark
(B)
on the damper.
Fill the space between casing and
ceiling with two layers of mineral wool
(C)
(50 mm thick, coated on one side).
3/3*. Connections of mineral wool should
be sealed with intumescent fire resistant
sealant
(D)
. Mineral wool and damper
casing must be coated with 2 mm thick
fire protection coating.
*Fire Batt floor/ceiling installations require
a suspension for the fire damper. For
more details, see
page 28 rigid floor
/
2
1
Test the operation of the damper blade!
C
A
D
B
*Installation in floor
*Installation in ceiling
3
*
3
INSTALLATION
Always e
nsure the damper is sufficiently supported
