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Fire Rated Ducts
2 hours of fire rating tested as BS 476 Part24:1987 for coated & non-coated ducts.
Comply with Ventilation, Pressurisation, Smoke Extraction and Basement Car Park exhaust applications.
Manufactured in accordance with DW14/SMACNA standards.
Coated ducts – Intumescent Coating of minimum thickness is sprayed over duct surface for sustaining high temperature of fire.
Non Coated ducts – the material, special flange design, duct stiffening & special construction support the duct to uphold the stability for up to 2 hours in an event of fire, tested as per BS476 Part 24.