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Installation opening has to be
reinforced by profile (UW, CW).
Profil is fixed by screws ≥3,5 mm
with corresponding length. Distance
between screws ≤200 mm.
POSITION:
1
Fire damper FDMA PM-S
2
Mortar or gypsum
3
Fire resistant board
4
Profile 50 UW or 50 CW
5
Screw
6
Additional fire resistant board
≥ 100
≥ 50
≤ 250
50
110
50
20
20
Used materials - example*:
3 - Glasroc F Ridurit tl. 20 mm
4 - R-CW
5 - Screw Ridurit
6 - Glasroc F Ridurit tl. 20 mm
* It is alternatively possible to use Knauf or Promat solution.
81
≤ 250
50
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