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 Gap Filler Expanding Foam Gun Grade 750ml
    Soudal

    Soudal Gap Filler Expanding Foam Gun Grade 750ml

    A self expanding polyurethane foam, suitable for all general purpose gap filling. Soudal's Gap Filler Expanding Foam Gun Grade adhere's to most common building surfaces whilst offering excellent acoustic, insulating and thermal properties.  Can be cut, sanded, plastered and painted once fully cured Excellent...
    £3.63
    £3.63
  • Soudal Handheld Expanding Foam Champagne 750ml
    Soudal

    Soudal Handheld Expanding Foam Champagne 750ml

    A self expanding polyurethane foam, suitable for all general purpose gap filling. Soudal's Gap Filler Expanding Foam adhere's to most common building surfaces whilst offering excellent acoustic, insulating and thermal properties.  Can be cut, sanded, plastered and painted once fully cured Excellent sound and...
    £3.63
    £3.63
  • Soudal B2 Fire Class Expanding Foam Gun Grade 750ml
    Soudal

    Soudal B2 Fire Class Expanding Foam Gun Grade 750ml

    A one-component, expanding polyurethane foam filler, suitable for use in passive fire protection systems as a large gap filler. It is also suitable for the sealing of expansion joints. Thermal acoustic insulation around door and window frames Fire rated polyurethane foam filler High insulation...
    £4.79
    £4.79
  • 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
    £4.79
    £4.79
  • Soudal Trade Expanding Foam Mini 150ml
    Soudal

    Soudal Trade Expanding Foam Mini 150ml

    A ready to use, one-component, self expanding PU foam with an excellent adhesion to most common surfaces.  Excellent stability, no shrinkage or post expansion High insulation value, thermal and acoustic Good bonding properties High filling capacity
    £2.23
    £2.23
  • Soudal Gap Filler Expanding Foam 750ml
    Soudal

    Soudal Gap Filler Expanding Foam 750ml

    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
    £10.99
    £10.99
  • Soudafoam Window & Door Hand Held 750ml
    Silicone Direct

    Soudafoam Window & Door Hand Held 750ml

    An easy to use, one-component handheld polyurethane expanding foam filler, suitable for the professional filling around PVCu, aluminium and wooden window and doors. Rapid curing Primerless adhesion on most construction materials External thermal and acoustic insulation properties
    £4.93
    £4.93
  • Bond It B3 Fill & Fix Expanding Foam Gun Grade Beige 750ml
    Bond It

    Bond It B3 Fill & Fix Expanding Foam Gun Grade 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
    £5.88
    £5.88
  • 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
    £7.55
    £7.55
  • Everbuild Fix & Fill Expanding Foam Filler 750mlEverbuild Fix & Fill Expanding Foam Filler 750ml
    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
    £5.74
  • Soudal Roof & Insulation Expanding Foam 600ml
    Soudal

    Soudal Roof & Insulation Expanding Foam 600ml

    A ready to use, self expanding one-component PU foam suitable for the filling and insulating of gaps around roofing and insulation materials. Adheres to most roofing and insulating materials Suitable for gap filling High thermal acoustic insulation Designed for easy, single handed operation
    £4.13
    £4.13
  • Soudal Genius Gun Gap Filling Foam 750ml
    Soudal

    Soudal Genius Gun Gap Filling Foam 750ml

    A ready to use, one-component, self expanding PU foam, Soudal's Gap Filling & Expanding Foam is ideal for the insulation of doors and windows, sound proof sealing or the sealing of pipe penetrations.  Low emission value once fully cured Single handed use High filling...
    £5.17
    £5.17
  • 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...
    £6.12
    £6.12
  • 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
    £4.40
  • Soudal Soudafoam Gap Filler Hand Held 750ml
    Soudal

    Soudal Soudafoam Gap Filler Hand Held 750ml

    A polyurethane expanding foam filler, suitable for general purpose gap filling such as pipe penetrations, insulation and roofing materials as well as general construction.  Excellent thermal acoustic insulation properties Primerless adhesion on most construction materials Rapid curing Easy to use
    £3.25
    £3.25
  • Soudal Soudafoam Hand Held One Shot 150ml
    Soudal

    Soudal Soudafoam Hand Held One Shot 150ml

    An easy to use, one component polyurethane expanding foam filler, suitable for general purpose gap filling, pipe penetrations, insulation and roofing materials as well as general construction.  One Shot expanding foam filler Rapid curing Excellent thermal and acoustic insulation properties Primerless adhesion on most...
    £2.55
    £2.55
  • 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
    £6.55
    £6.55
  • 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
    £4.57
    £4.57
  • Bond It B1 Fire Resistant Expanding Foam Pink 750ml
    Bond It

    Bond It B1 Fire Resistant Expanding Foam 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
    £7.08
    £7.08
  • 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...
    £6.73
    £6.73

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