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fire-resistant mounting foams are used for joints and openings that need to be filled with foam carrying a declared fire-resistance class. This subcategory contains B1 professional polyurethane foam for an applicator gun, used around fire barriers, building structures, door and window blocks, gaps and cavities.

What fire-resistant foam helps with
  • filling installation openings in fire barriers and building structures;
  • sealing and installing door and window blocks;
  • filling cracks, gaps, cavities and areas around pipes in voids;
  • additional water, sound and thermal insulation of joints within the material’s intended use;
  • jobs where B1 fire resistance and application according to the manufacturer’s instructions matter.
When to choose this subcategory
  • when regular mounting foam is not suitable because the joint has fire-resistance requirements;
  • when applicator-gun use is needed for more controlled dispensing;
  • when the joint is around door, window, utility or construction connections;
  • when the cured layer will need later protection from UV exposure;
  • when the project or instructions call for a material with confirmed fire resistance rather than a universal foam.
What to check before application
  • application temperature, can temperature and ambient humidity;
  • surface preparation: removal of dust, dirt, grease and poorly bonded particles;
  • joint filling with allowance for secondary foam expansion;
  • tack-free time, curing time and full polymerization before further work;
  • UV protection for cured foam and cleaning of fresh residues before curing.