23
1. Plasterboard thickness 20 mm
2. Plasterboard infill panel, thickness 20 mm
3. Mortar M-10, EN998-2 or plaster putty
4. Metal frame
5. Self-drilling screw Ø 3,5 X 70 mm
D1 Hole base: see table above
D2 Hole height: see table above
E Damper protrusion from the wall: see table above