OB1® HeatProtect
Fire Resistant
Hybrid Sealant

OB1® HeatProtect Fire Resistant Hybrid Sealant for Linear Joints is a durable  1-component fire retardant sealant that provides up to 4 hours fire resistance in linear joints.

OB1®  HeatProtect Fire Resistant Hybrid Sealant is tested to EN1366-4 and absorbs movements up to 25%. Our hybrid sealant can also be applied in horizontal joints and between walls, floors or ceilings to create a fire retardant seal. It can be used for joints up to 30mm wide and when used correctly, can help prevent the spreading of fire, smoke and toxic gases. OB1® HeatProtect Fire Resistant Hybrid Sealant is almost odourless, durable and can be used in interior and exterior applications due to high UV and weather resistance. Our hybrid sealant also resists fungal growth and vermin. OB1® HeatProtect Fire Resistant Hybrid Sealant can be overpainted with most water-based and oil based paints.

CHARACTERISTICS

  • Up to 4 hours of fire resistance 
  • Paintable with most water and oil based paints
  • Not corrosive towards metals
  • UV, weather and water resistant 
  • Prevents unwanted airflows
  • Odourless

Storage

Store between +5°C and +25°C and in shaded conditions.
Shelf life is 18 months when stored as recommended in
original unopened packaging.

LIMITATIONS

Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics,
neoprene and bituminous substrates.

DATA SHEETS

SAFETY DATA SHEET

TECHNICAL DATA SHEET