Extractors Casals. Approved 400 º C. 2 hours. Galvanized rectangular ducts certified fire to AFIT in UNE.EN LICOF-13501-4: 2007 manufacturer reference "Clima Oliva E600/120 º".
Elaborated approved duct and then assembling them on site to the specifications of each project. Preparation of technical documentation for the legalization of parking: Approvals from the fans to 400 degrees, certificate extraction ducts at 600 º; certificate gates firewall installation certificate Clima-Oliva made by full warranty