Expanding Foam

Also known as spray foam, expanding foam can be used for a variety of applications, including soundproofing, strengthening structures, fixing loose objects, sealing cracks and gaps, and, most popularly, insulating walls in homes. 

At Silicone Direct, we stock the best expanding foam from brands such as Soudal, Bond It, and Everbuild. We offer free delivery on orders over £50.

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  • Soudal B2 Fire & Acoustic Expanding Foam 750ml
    Soudal

    Soudal B2 Fire & Acoustic Expanding Foam 750ml

    A one-component, fire rated, expanding polyurethane foam filler. Soudal's Trade Expanding Foam B2 offers excellent stability, no shrinkage or post expansion and adheres to most common surfaces.  High insulation value High filling capacity Good adhesion on all surfaces Fire rated polyurethane foam filler
    £5.49
    incl. VAT
    £5.49
  • Ronseal Expanding Foam Filler White 500ml
    ronseal

    Ronseal Expanding Foam Filler White 500ml

    Specially designed for filling any size hole in hard to reach areas. Suitable for both internal and external applications for use on wood, metal, glass and masonry. Insulates against heat, sound and moisture Can be cut, sanded, plastered or painted one hour after curing...
    £6.13
    incl. VAT
    £6.13
  • Ronseal Expanding Foam Filler White 300ml
    ronseal

    Ronseal Expanding Foam Filler White 300ml

    Specially designed for filling any size hole in hard to reach areas. Suitable for both internal and external applications for use on wood, metal, glass and masonry. Insulates against heat, sound and moisture Can be cut, sanded, plastered or painted one hour after curing...
    £4.40
    incl. VAT
    £4.40
  • Bond It B1 Fire Resistant Expanding Foam Gun Grade Pink 750ml
    Bond It

    Bond It B1 Fire Resistant Expanding Foam Gun Grade Pink 750ml

    A high quality, one component, moisture curing polyurethane foam. Suitable for filling, sealing and insulating most common building materials. Excellent adhesion to most construction materials Low curing pressure High thermal and acoustic insulation value Good volume expansion for effective filling
    £6.38
    incl. VAT
    £6.38
  • Bond It B2 Expanding PU Gun Grade Foam Beige 750ml
    Bond It

    Bond It B2 Expanding PU Gun Grade Foam Beige 750ml

    A multi-purpose, fast setting polyurethane foam ideal for bonding, filling, sealing and insulating of most construction materials such as wood, plaster, stone, concrete, PVC, metal and polystyrene.  Has a reaction to fire rating of class B2 Low curing pressure High thermal and acoustic insulation...
    £5.74
    incl. VAT
    £5.74
  • Soudal Gap Filler Genius Gun Champagne 600ml
    Soudal

    Soudal Gap Filler Genius Gun Champagne 600ml

    A one-component, self expanding PU foam, suitable for all general purpose gap filling. Soudal's Gap Filler Expanding Foam will adhere to most common building materials due to it's resistance to water, heat and ageing.  Excellent thermal and acoustic insulation values Can be cut, sanded,...
    £4.72
    incl. VAT
    £4.72
  • Soudal Gap Filler Expanding Foam 500ml
    Soudal

    Soudal Gap Filler Expanding Foam 500ml

    A self expanding, moisture curing polyurethane foam, suitable for all general purpose gap filling.  Can be cut, sanded, plastered and painted once fully cured Excellent sound and heat insulation value For internal and external use
    £3.27
    incl. VAT
    £3.27
  • Bond It B3 Fill & Fix Expanding Foam Aerosol Beige 500ml
    Bond It

    Bond It B3 Fill & Fix Expanding Foam Aerosol Beige 500ml

    A one-component, quick setting, multi-purpose polyurethane foam suitable for bonding, sealing, filling and insulating most construction materials.  B3 rating Won't shrink after curing Good volume expansion for effective filling Low curing pressure High thermal and acoustic insulation value
    £4.10
    incl. VAT
    £4.10
  • Everbuild Firefoam B2 Gun Grade Pink 750ml
    Everbuild

    Everbuild Firefoam B2 Gun Grade Pink 750ml

    A fast setting, fire rated polyurethane foam that is capable of expanding 1.5 - 2 times it's original volume upon application. Contains fixing, filling and insulating properties Can be cut, sawn or plastered over after 1 hour Fills irregular and broad gaps Economical in...
    £6.70
    incl. VAT
    £6.70
  • Soudal Gap Filler Genius Gun Champagne 300ml
    Soudal

    Soudal Gap Filler Genius Gun Champagne 300ml

    A one-component, self expanding PU foam, suitable for all general purpose gap filling. Soudal's Gap Filler Expanding Foam will adhere to most common building materials due to it's resistance to water, heat and ageing.  Excellent thermal and acoustic insulation values Can be cut, sanded,...
    £3.85
    incl. VAT
    £3.85
  • Siroflex Hand Held PU Expanding Foam - 500mlSiroflex Hand Held PU Expanding Foam - 500ml
    Siroflex

    Siroflex Hand Held PU Expanding Foam - 500ml

    The Siroflex Hand Held PU Expanding Foam is a one-shot, polyurethane-based expanding foam for general construction and home improvement use. It can be used for filling large, irregular gaps, fixing window frames, loose tiles, and boards, insulating between brickwork and cladding, and for backing...
    £12.59
    incl. VAT
    £12.59
  • Bond It B3 Fill & Fix Expanding Foam Handheld Beige 750ml
    Bond It

    Bond It B3 Fill & Fix Expanding Foam Handheld Beige 750ml

    A one-component, quick setting, multi-purpose polyurethane foam suitable for bonding, sealing, filling and insulating most construction materials.  B3 rating Won't shrink after curing Good volume expansion for effective filling Low curing pressure High thermal and acoustic insulation value
    £5.10
    incl. VAT
    £5.10
  • Bond It B2 Expanding PU Foam Beige 750ml
    Bond It

    Bond It B2 Expanding PU Foam Beige 750ml

    A multi-purpose, fast setting polyurethane foam ideal for bonding, filling, sealing and insulating of most construction materials such as wood, plaster, stone, concrete, PVC, metal and polystyrene.  Has a reaction to fire rating of class B2 Low curing pressure High thermal and acoustic insulation...
    £5.74
    incl. VAT
    £5.74
  • Bond It Mega Foam Beige 500ml
    Bond It

    Bond It Mega Foam Beige 500ml

    A quick setting, multi-purpose polyurethane foam designed for the bonding, sealing, filling and insulating of most construction materials.  Suitable for use as a gun grade or aerosol Non shrinking High yield Low curing pressure and moderate post expansion
    £4.37
    incl. VAT
    £4.37
  • Everbuild B1 Hand Held Fire Rated Foam Pink 750 mlEverbuild B1 Hand Held Fire Rated Foam Pink 750 ml
    Everbuild

    Everbuild B1 Hand Held Fire Rated Foam Pink 750 ml

    A quick setting, fire rated polyurethane foam, supplied in a ready to use hand held canister. Capable of expanding up to 50 times it's original volume upon application.  Can be cut, sawn, sanded or plastered 1 hour after use Economical in use Fills irregular...
    £7.86
    incl. VAT
    £7.86
  • Everbuild Firefoam B1 Gun Grade Pink 750ml
    Everbuild

    Everbuild Firefoam B1 Gun Grade Pink 750ml

    A one part, fast setting, polyurethane fire rated foam that expands up to 50 times it's original volume upon application.  Contains filling, fixing and insulating properties Fast setting Can be cut, sawn and plastered over in 1 hour
    £7.78
    incl. VAT
    £7.78
  • Everbuild B2 Fire Foam Hand Held 750ml
    Notify me
    Everbuild

    Everbuild B2 Fire Foam Hand Held 750ml

    A fast drying, fire rated polyurethane foam supplied in a ready to use hand held canister. Capable of expanding up to 1.5 to 2 times its original volume upon application.  Can be cut, sawn, sanded or plastered after 1 hour High degree of fire...
    £6.88
    incl. VAT
    £6.88
    Notify me
  • Everbuild Exact Gap Foam 500mlEverbuild Exact Gap Foam 500ml
    Notify me
    Everbuild

    Everbuild Exact Gap Foam 500ml

    Specifically designed to provide a more accurate foam that expands between 5 and 10% from the bead extruded on application. Suitable for both filling and insulating, it can also be cut, sawn or plastered after two hours.  Fills gaps and insulates Quick curing Re-usability...
    £7.52
    incl. VAT
    £7.52
    Notify me
  • Everbuild Fix & Fill Expanding Foam Filler 500mlEverbuild Fix & Fill Expanding Foam Filler 500ml
    Notify me
    Everbuild

    Everbuild Fix & Fill Expanding Foam Filler 500ml

    A quick curing, polyurethane based foam suitable for filling around pipe entries through walls, filling around doors and window frames or irregular gaps in brick, stone, plaster or concrete. It is also suitable for the fixing of timber structures and insulating behind cladding to...
    £4.45
    incl. VAT
    £4.45
    Notify me
  • Everbuild Fix & Fill Expanding Foam Filler 750mlEverbuild Fix & Fill Expanding Foam Filler 750ml
    Notify me
    Everbuild

    Everbuild Fix & Fill Expanding Foam Filler 750ml

    A quick curing, polyurethane based foam suitable for filling around pipe entries through walls, filling around doors and window frames or irregular gaps in brick, stone, plaster or concrete. It is also suitable for the fixing of timber structures and insulating behind cladding to...
    £5.74
    incl. VAT
    £5.74
    Notify me

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