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| Round fire damper manual 02/2021
SOLID AIR ®
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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 ≥ 140 kg/m³, fire protection
coating.
Installations
1
1
6
2
5
3
INSTALLATION
1. Create an opening in the wall (Ø d + 200 mm) x
(Ø d + 200 mm). Bend the fixing bracket
(1)
90°.
Place the damper in the opening up to the wall
limit mark
(7)
on the damper.
Damper blade must be closed during the installation!
2. Close the space between casing and wall with
two layers of mineral wool
(5)
(density 140 kg/m³
ormore, 50 mm thick, coated on one side).
3. Seal the connections of mineral wool with
intumescent fire resistant sealant
(6)
. Mineral
wool and damper casing must be coated with 2
mm thick fire protection coating. Damper casing
should be coated up to profile protrusions.
* Multiple fire dampers can be installed next to each
other or ceiling/wall with the minimal distance of
30 mm between them. See page 42.
Test the operation of the damper blade!
7
