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PENOSIL Window & Door Elastic straw foam


PENOSIL Window & Door Elastic straw foam is a easily compressable elastic insulation foam for window and door installation and sealing. Suitable for pressure sensitive and movable joints.


  • Elastic, easily compressible, restores its original shape after being compressed.
  • Due to low expansion pressure is suitable for using in fragile constructions.
  • Fast curing.
  • Allows accurate dosage and economic usage.
  • Withstands vibration well.
  • Adheres well to various construction materials.


  • Installation and sealing of windows and doors.
  • Filling of joints and openings of considerable movability.
  • Thermal and sound insulation.
  • Filling of pressure sensitive and narrow joints.
  • Insulation of ventilation devices and pipes.
  • Wood
  • Concrete
  • All metals
  • PVC
  • Bricks
  • Gypsum boards
  • EPS
  • Roof tiles

Aerosol can 1000 ml,
content 750 ml.
12 cans in a box.



Hold the foam can in upright position.

Screw the applicator (straw) to the foam can valve.

Shake the can at least 20 times before use.

For application, turn the applicator upside down and press the applicator trigger.

The foam output can be adjusted by applicator trigger.


  • A previously moistened surface ensures faster curing of the foam and a better result.
  • At low temperatures the foam can must be warmed before work. The temperature of the warming room or water must not exceed 30°C.
  • Air temperature during application -5°C to +30°C, best results at +20°C.
  • Can temperature during application +10°C to +25°C, best results at +20°C.
  • The surfaces must be clean from dust, loose particles and oil.
  • Cured foam is sensitive to UV radiation and needs to be covered.
  • Do not use on surfaces that are in constant contact with water.
  • Insulation foam does not adhere to polyethylene (PE), PTFE (Teflon®) or silicone surfaces.