23
FIRE DAMPER - FD
Possible damper orientations
625
625
> 440
625
625
> 440
2
1
3
625
625
> 440
B
C
D
A
INSTALLATION
E
Flexible wall
installation
(mortar sealing)
The wall is composed of 2x2 plasterboard boards,
12,5 mm thick, installed on a steel frame construction.
Installation material: gypsum plaster or mortar
(C)
covered with type F(
EI 120
) or type A(
EI 60
) cover
boards
(D)
. The minimum thickness of the wall is 100
mm.
EI 120 (ve i
↔
o)S
The wall is made out of type F (EN520) gypsum
plaster boards. To fulfill the classification it is
NOT
mandatory to use the mineral wool inside the wall
(mineral wool
(E)
with density up to 100 kg/m³ can
be used).
EI 60 (ve i
↔
o)S
The wall is made out of type A (EN520) gypsum
plaster boards. To fulfill the classification it is
NOT
mandatory to use the mineral wool inside the wall
1.
Recommended wall opening for the fire damper
installation is B (H) + 80 mm or more (up to 50%
more). Build the subframe according to the drawing,
. Bend the fixing bracket
(A)
90°.
Place the damper in the opening up to the
wall limit
mark
(B)
on the damper.
Damper blade must be closed during the
installation!
2. Fix the damper to the wall using self-tapping
screws Ø3,5x45 mm
(bracket screw hole is 6 mm in diameter).
3. Fill the space between the damper and the wall
with mortar sealing
(C)
.
Cover the mortar with
(D)
GKF gypsum boards
(12,5 mm thick, FD-A-CSP-BxH).
*Multiple fire dampers can be installed next to each
other or ceiling/wall with the minimal distance of
30 mm between them,
.
*Build the support for mortar installation according
to the drawing,
.
Test the operation of the damper blade!
(mineral wool
(E)
with density
up to 60 kg/m³ can be used).
Always e
nsure the damper is sufficiently supported