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 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
    incl. VAT
    £4.79
  • Soudal Insulating Foam Genius Gun Champagne 750ml
    Soudal

    Soudal Insulating Foam Genius Gun Champagne 750ml

    A moisture curing, polyurethane insulation foam that provides excellent filling, acoustic and stability properties, suitable for applications with high and repetitive movements or where vibration resistance is required.  Excellent thermal and acoustic insulation Re-usable for up to 6 weeks No shrinkage or post expansion...
    £5.93
    incl. VAT
    £5.93
  • 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
    incl. VAT
    £4.79
  • 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
    incl. VAT
    £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
    incl. VAT
    £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
    incl. VAT
    £6.12
  • 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
    incl. VAT
    £3.25
  • 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 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
    incl. VAT
    £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
    incl. VAT
    £7.55
  • Soudal Genius Gun Gap Filling Foam 500ml
    Notify me
    Soudal

    Soudal Genius Gun Gap Filling Foam 500ml

    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...
    £3.44
    incl. VAT
    £3.44
    Notify me
  • Bond It Mega Foam Beige 750ml
    Bond It

    Bond It Mega Foam Beige 750ml

    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
    £6.34
    incl. VAT
    £6.34
  • 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
    incl. VAT
    £4.93
  • 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
    incl. VAT
    £6.73
  • 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,...
    £4.13
    incl. VAT
    £4.13
  • Soudal Genius Gun Building Adhesive Champagne 750ml
    Soudal

    Soudal Genius Gun Building Adhesive Champagne 750ml

    A handheld, fast curing, polyurethane adhesive suitable for bonding all types of insulation materials and boards onto walls and roofs.  Removes the need for an additional gun Single handed use Re-usable up to 6 weeks after first use Easy to use Can be cut,...
    £7.64
    incl. VAT
    £7.64
  • 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
    incl. VAT
    £10.99
  • 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
    incl. VAT
    £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
    incl. VAT
    £7.08
  • 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...
    £7.66
    incl. VAT
    £7.66

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