Since 1992

Siroflex Gun Grade Expanding Foam 700ml


£5.62 inc. VAT


1 review


High yield expanding foam for filling, fixing, insulating and backingA high quality, polyurethane based expanding foam for professional use in general construction and home improvement applications. It expands up to 30 times its original volume and is quick drying.


  • High quality professional PU foam
  • B3 class

Areas of Application

  • Filling - large, irregular or awkward gaps where the foam will expand to completely fill the cavity.
  • Fixing - window frames, loose tiles and boards.
  • Insulating - between brickwork and cladding, around ductwork and through cavities carrying pipes and cables.
  • Backing - in low expanding joints; can be used as a backing material in all types of sealant applications.

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