Intumescent Butyl Tape
Intumescent Butyl Tape is a polymer-based extruded strip sealant, which in the event of fire will intumesce and prevent the passage of fire and smoke through the joints in which it has been used.
Intumescent Butyl Tape can be used between the flanges of Fire Rated Ductwork for sealing up to high pressure/velocity classification to DW143.
Advantages of using Intumescent Butyl Tape
- Easy to use pre-form
- Halogen free
- 15% joint movement capability
- Life expectancy in excess of 20 years
- Resistant to detergents and dilute acids and alkalis
- Remains permanently flexible
Health, Safety and Environment
There are no known hazards associated with this type of products. Normal hygiene precautions should be exercised.
One year from the date of purchase if stored in dry, frost free conditions between +5°C and +30°C.
12 months if stored below 30°C in dry, clean, frost-free conditions
12mm x 3mm x 15 metres.
Tested with Flamebar Fire Duct to ISO 6944 (1987) for up to 4 hours.