Fischer B1 Firestop Gunfoam Pink 750ml Can each - Code 43712

• Hardly flammable, one-component polyurethane foam.


• The foam hardens as a reaction to atmospheric humidity.


• Hardly flammable B1 as per DIN 4102 Part 1.


• Warrington Fire Research tested to BS476 Part 20


• Up to 4 hours fire rating


• Can be extruded using Fischer professional metal gun

Advantages/benefits

• Hardly flammable - B1


• High foam yield


• Rapid-hardening foam reduces processing time.


• Suitable for filling cavities between solid building components made of metal or of mineral building materials.


• CFC Free


• Can be rendered, cut, painted and sanded


• Weather resistant

Installation examples

• High-efficiency thermal insulation on facades


• Sealing window frame gaps and around window sills


• Filling of cavities in walls and ceilings

Installation information

• General test certificate from building authorities: P-NDS 04-620.


• Pink coloured to differentiate from standard foam.


• Wet base surface if atmospheric humidity is low.


• Shake cartridge before use.


• Foam yield of extruded foam: up to 45 litres.


• Resistance to temperature of hardened foam: -30° C to +80° C.


• Non-tacky after approx. 10 minutes, can be cut after approx. 25 minutes, load-bearing after approx. 3 hours, completely hardened after approx 5 - 8 hours (all details based on temperature of +20° C).