Tested for driving rain tightness according to EN 1027 and EN 12208.
Tested for smoke tightness according to DIN EN 1634-3.

Tested for air permeability according to DIN EN 1026 and DIN EN 12207.
Test results in the best classification level (window class 4).

Tested for airborne-sound insulation according to DIN EN ISO 10140-2.
The measured sound reduction is 34.8 dB (2 x 12.5 mm) and 30.5 dB (1 x 12.5 mm).

Integrated gypsum plaster board H2/GKBI 12.5 mm or 2 x 12.5 mm, flap lid is detachable, with installation kit and suitable for wet rooms.
Mounting frame and flap lid (with EPDM hollow section sealing) made from a torsion-resistant Eloxal quality extruded aluminium profile.

Special sizes upon request.
With special designs, please state the dimension that is to be allocated to the closing side.
Available as a special design with a cylinder lock.