Fischer Expanding Gun Foam

Save £4.50

Sale price£3.49 Regular price£7.99


Fischer general purpose foam B3 is ideal for the filling of all general construction applications such as sealing cavities around windows, doors, masonry/blockwork, timber frame and cladding whilst enhancing acoustic insulation. The foam can be easily extruded either by hand or gun and it hardens via chemical reaction when exposed to atmospheric humidity.


  • Can be used on general building materials internally and externally (External applications must be protected from exposure to sunlight)
  • B3 foam is suitable for straightforward applications, perfect for all types of filling and sealing tasks from filling cavities to areas around pipes
  • Easy to apply
  • Strong cell structure for durability
  • Thermal insulation
  • CFC-free propellant
  • Long storage life
  • Resistant to rotting and ageing

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