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Megafoam low expansion

MEGAFOAM LOW EXPANSION is high quality, self-expanding, one – component, ready to use polyurethane foam for professional use. It has a minimal expansion after application (less than 50%) and is therefore very economical to use. It contains CFC-free propellants, which are completely harmless to the ozone layer.

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  • Low post-expansion
  • Excellent adhesion on most substrates
  • High thermal and sound insulation
  • Higher yield - Excellent filling capacities
  • Excellent mounting capacities
  • Excellent stability
  • User and environment friendly


  • Fixing and sealing of window and doorframes
  • Filling of cavities around pipes or other
  • Sealing of all openings in roof constructions
  • Fixing of insulation materials and roof constructions
  • Thermal and sound insulation
  • Sealing and filling around pipes and conduits
  • Application of a soundproofing layer on motors
  • Improving thermal insulation in cooling systems
  • Not recommended for applications on Teflon, ΡΕ & ΡΡ

Surface preparation:

  • Moistening of the surfaces and the uncured foam with a water sprayer improves adhesion and curing speed.


  1. Surfaces must be clean, free of dust and grease.
  2. Wear suitable protective gloves.
  3. Shake the can well for at least 30 seconds.
  4. Fit the tube onto the valve
  5. Hold the can upside-down and extrude the foam by pressing the valve
  6. Gaps have to be filled partially up to 65% as the foam will expand
  7. Repeat shaking regularly during application.
  8. If you have to work in layers repeat moistening after each layer.

A suitability test is recommended.


  • Avoid contact with uncured foam after application especially at low temperatures.
  • Cured PU foam must be protected from UV radiation by applying a top layer of PU or acrylic paint or sealant (silicone, acrylic, MS Polymer).
Product Details

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