CT Fire-1 fire rated ductwork coated with 0.05 mm Fire-1 paint can provide up to 120 minutes fire protection in accordance with BS 476 Part24 standard.

Quality Assurance

• BS476 Part24 / ISO 6944 fireproof duct test
• Warringtonfire certificate (CF5522)
• National fire agency certificate (1080822417)
• CPA certificate for wall penetration seal
• Design as per DW144 standard

Full Range Certified

• CT FIRE-1 fire rated ducts
• FIRE-1 fireproof paint
• FS703 fireproof sealant  
• Superwool fireproof gasket

Application

CT FIRE-1 Fireproof Ductwork

Fire characteristics

• Building structure is not strong: When the temperature reaches to 600°C, the steel will lose its strength about 50%. Non-fire rated ducts can be responsible for the spread of fire because of deformation and collapse under the impact of the fire.

• The fire grows rapidly

• There are no fire compartments or be damaged

• More than 60% of the death rate is due to smoke inhalation..

Fire resistant ductwork

• Prevent flame entering or leaving the ductwork;
• Limit the spread of flame;
• Maintain the integrity of the fire compartment

Fire Department Regulations and Construction Code:All fire resistant ductwork shall be tested to BS476 part24:1987.

Chan Tzu CT Fire-1 Fireproof ductwork complies with BS476 Part24/ISO 1944  for 120 minutes of Stability and Integrity. 

BS 476 Part 24 Standard: 

• Duct A (Fire Outside) – 120 min.
• Duct B (Fire Inside)- 120 min.
• Smoke Outlet Duct (Fire Outside/Inside)-120 min.

BS476 Part24測試標準

• Stability: Stability failure shall be deemed to have occurred in duct A within the furnace and in ducts A and B outside the furnace while the duct collapses.
• Integrity: The formation on the unexposed side of holes, cracks or openings that allow flames or hot gases to escape.
• Smoke Outlet Duct: shall retain at least 75% of its cross sectional area to be functional