Wall Opening - Lindab WH45P Installation Booklet

1. Rock wool density up to 100 kg/m³ (optional)
2. Plasterboard arch infill, thickness 12,5 mm for rock wool sealing
3. Plasterboard thickness 12,5 mm
4. Sealing indicated in the table
5. Self-drilling screw Ø 3,5 X 45 mm
6. Metal frame
D Hole size: see table above
E Damper protrusion from the wall: see table above
Lp Overlap length between fire damper and duct: see section Dimension
Installations 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

Wall opening

†
A opening must be provided in the wall as indicated in the table and
in the drawing
EI 90 S Installation within vertical light wall (gypsum blocks wall)
Wall minimum thickness 70 mm
Wall minimum density 995 kg/m³
Plaster putty sealing
ve (i↔o)
EI 120 S Installation within vertical light wall (gypsum blocks wall)
Wall minimum thickness 100 mm
Wall minimum density 995 kg/m³
Plaster putty sealing
ve (i↔o)
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
"D" hole size
Fire resistance classification
From Ø + 25
EI 90 S
(500 Pa)
(circular hole)
From Ø + 25
EI 120 S
(500 Pa)
(circular hole)
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.
Filling
†
Fill the space between the wall and the damper as indicated in the
table and in the drawing.
Damper protrusion from
the wall "E"
[mm]
[mm]
to Ø+35 230 + Lp
to Ø+35 215 + Lp
Wall minimum thickness "S"
[mm]
70 Plaster putty sealing
100 Plaster putty sealing
Sealing
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