EVERBUILD GUN GRADE EXPANDING FOAM are quick setting one part polyurethane foams in aerosol form. GUN GRADE is supplied for use with our range of applicator guns. The foam expands on application to up to 50 times its original volume and expands on application by 150%. Once cured, the foam can be cut, sawn or plastered over after only one hour providing the working temperatures (can and surfaces) are between +5 to +25oC, ideally 20oC.


Filling: Gaps around pipe entries through walls, Gaps around window frames, door frames, Electrical wire chasing prior to plastering, Deep joints prior to applying sealant or plaster, Irregular gaps in stone, brick, concrete or plaster.

Fixing: Door frames, Timber structures, Window sills and thresholds, Window frames.

Insulating: Behind cladding to exterior walls, Behind soffit and barge boards, In automotive applications.

  • Quick setting – can be cut, sawn or plastered in 1 hour.
  • Economical in use – expands up to 50 times its original volume.
  • Fills irregular and broad gaps where most conventional fillers would fail.
  • Possesses insulating and sound deadening properties.