Tremco Illbruck FM330 Pro Foam Air Seal

15.95 (inc. VAT)

  • A high performance PU foam with excellent acoustic and airtight performance
  • Airtight formulation – tested to EN 12114
  • Acoustic dampening – up to 63 dB joint insulation index
  • Elastic performance – up to 50% movement capability ensures integrity of the seal in the event of movement
  • Sub-zero formulation – can still be used at temperatures as low as -3°C
  • Low post-expansion facilitates more accurate application depth
  • Gun Grade expanding foam


One part, rapid, moisture-curing expanding polyurethane foam which is gun applied and has excellent elasticity, air tightness and acoustic properties. Excellent adhesion to brick, block, stone, plaster and cementitious materials as well as wood, metal and a variety of plastics. The low post-expansion facilitates greater control during application.

FM330 is ideal for use as an air tight gap filler for general construction joints including where movement is expected to occur.
It is suitable for applications such as airtight window and door perimeter joint seals, sealing floor to wall and wall to ceiling joints and pipe & service penetrations.

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