INSTALLATION
WH25
LINDAB SAFE
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Installations within vertical light wall (gypsum blocks wall)
Refer to the section Construction supports characteris-
tics p.17 for further information.
Comply with the minimum distances indicated on section
Minimum distances p.15.
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.
Filling
Fill the space between the wall and the damper as indicat-
ed in the table and in the drawing.
Fire resistance classi-
cation
“D” hole size
[mm]
Wall minimum thickness
“S”
[mm]
Sealing
EI 120 S Installation within vertical light wall (gypsum blocks wall)
Wall minimum density 995 kg/m³
EI 120 S
(500 Pa)
From Ø + 25
to Ø + 35
(circular hole)
70 Plaster putty sealing
EI 90 S Installation within vertical light wall (gypsum blocks wall)
Wall minimum density 995 kg/m³
EI 90 S
(500 Pa)
From Ø + 25
to Ø + 35
(circular hole)
100 Plaster putty sealing
1. Plaster putty
D Hole size: see table above
S Wall minimum thickness: see table above
Lp Overlap length between re damper and duct: see section
Dimension p.11
WH25
LINDAB SAFE
22/50
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