Fischer B1 Firestop Gunfoam Pink 750ml

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.

Advantages and 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
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).