descending sealing threshold door size 8M with air ventilation and soundproofing

DROP-DOWN THRESHOLD SEAL FOR HINGED DOORS

For doors with ventilation and sound insulation requirements, such as in low-energy and passive houses. Used, for example, in kitchens, bathrooms, and WC areas.

• Seal height adjustment with 3.0 mm hex key
• Can be shortened on the lock side by up to 125 mm
• Airflow 40 m³/h
• Ventilation module 1050 mm
• Airflow resistance 3.2 Pa