Selleys No More Big Gaps is an expanding foam, which cures into a semi rigid closed cell foam, making it ideal for filling large and irregular holes or cavities such as around pipes.


  • Fast curing. Surface will be tack free within 15 minutes after application. A 3cm to 5cm deep application will be fully cured in approximately 4 hours.
  • Expands up to 2.5 times to fill those irregular and large holes around the home. Expansion will vary depending on the conditions and confinement of the space.
  • Excellent insulator, and also blocks pests, noise and birds.
  • Convenient aerosol can, no mixing required simply spray into the gaps.
  • Cured product can be cut, trimmed, sanded and painted.
  • Temperature resistance - approximately -40oC +90oC.
  • Suitable for interior and exterior use.
  • Superior adhesion to a broad range of surfaces, resulting in a lasting finish.
  • CFC-free ozone friendly hydrocarbon propellant.

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