Since ducting with metal or galvanized ducts is associated with difficulties and in some cases ducts have to withstand relatively high temperatures are needed. Hence, Havakaran Tehran Noavar Company has launched the production of the flexible fireproof tarpaulin duct with Flexirun brand.

Among the advantages of flexible fireproof tarpaulin compared to galvanized ducts high flexibility, lightness and easy installation in corners and false ceilings, relatively high temperature tolerance, reduction of noise caused by air blowing etc. can be mentioned. Flexirun fireproof tarpaulin product has ISO 9001, 14001 and 18001 from Switzerland and is produced in sizes 4, 6, 8, 10, 12, 14, 16, 18 and 20 inches.