Fireproofing PVC pipe penetrations with PU foam and intumescent sealant

To guarantee the pipe penetration’s fire resistance, thermal and sound insulation, the opening around the pipe penetration must be filled with fireproof construction foam.

Fire Rated Gunfoam B1 187 – fire-rated one-component polyurethane gun foam for filling and sealing in places with heightened fire safety requirements. Adheres well to most materials, such as wood, concrete, stone, plaster, metal, PVC and polystyrene.

Alternative product: Fire Rated Foam B1 296 is a fire-resistant PU strawfoam for installing and sealing fire-proof doors, windows, walls and other sealing works in places with heightened fire safety requirements.