Supply air elements

The outer wall air vents serve as passive air supply for living rooms and bedrooms. For a high level of living comfort, it is essential to integrate well thought-out sound insulation measures in wall construction, windows and fresh air supply.

Our ALD can achieve up to 75 dB standard sound level difference!

Supply air


Outer wall air vent for all applications
Supply air


Outer wall air vent for maximum sound insulation
Supply air


Outer wall air vent for high volume flows and high sound insulation