This is where we regularly include articles that have an important bearing on our products and solutions. Protan has manufactured Ventiflex ventilation ducts for more than 50 years. This has been a period of both continuous technical development and expansion into new markets.
Ventiflex is exported world wide and main application areas comprise operation of mines and construction of tunnels. The Ventiflex construction is based on a strong and flexible polyester textile that is coated on both sides with flame retardant plasticised pvc.