Lindab WH45 Series, Installation Booklet

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1. Rock wool density up to 80 kg/m³ (optional)
2. Plasterboard arch infill, thickness 12,5 mm for rock wool sealing
3. Plasterboard thickness 12,5 mm
4. Sealing: see table above
5. Self-drilling screw Ø 3,5 X 45 mm
6. Metal frame
Lp Overlap length between fire damper and duct: see section Dimension
D Hole size: see table above
A Distance between vertical profiles: 625 mm see section Installation
within vertical light wall (plasterboard) or 312,5 mm see section Light
plasterboard vertical walls with steel reinforcement
„
Installation within vertical light wall (gypsum blocks wall)
Refer to the section Construction supports characteristics for further
information.
Comply with the minimum distances indicated on section Minimum
distances .
Before and after installation please perform a functional test. Refer to
section Mechanism type for further information .
†
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 table and in the drawing.
Close the blade before installing the fire damper.
†
Filling
Fill the space between the wall and the damper using plaster putty.
Sealing with concrete is not allowed.
Fire resistance classification
“D” hole size
[mm]
Damper protrusion from
the wall “E”
[mm]
Wall minimum thickness “S”
[mm]
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
(square hole)
230 + Lp 70 Plaster putty 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)
215 + Lp 100 Plaster putty sealing
1. Plaster putty
D Hole size: see table above
S Wall minimum thickness: see table above
E Damper protrusion from the wall: see table above
Lp Overlap length between fire damper and duct: see section Dimension
rev 20-10
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