ALU Ventilation duct
Flexible, expanding ventilation duct with a layer of corrugated aluminium with inner locking for optimal flexibility. With high mechanical strength for a fast and flexible application in ventilation systems. For use in natural draught, mechanical and air conditioning systems. For expulsion of vapour and air. Suitable as a general ventilation duct within fire cells up to 200 m2. Suitable as a general ventilation duct within fire cells up to 200 m2. Manufactured in compliance with EN-13180 and EN-13501-1 and complies with Sweden's National Board of Housing, Building & Planning, Boverkets, requirements in respect of the BBR building regulations .