FR ASF 300ml Foil 2Hr Intumescent Sealant

Description

FR ASF is designed to prevent the spread of fire, smoke and gases through openings in fire rated walls and floors, specifically linear joints and openings for building service penetrations. It should be applied over suitable backing materialsto ensure correct width to depth ratio and to reduce shrinkage of the joint during hardening. In areas with a high degree of humidity and/or in joints with excessive movement, use FR IPT. It as a 2 hour rated intumescent sealant formulatedwith fillers that provide noise reduction. FR ASF cures when it is subjected to atmosphericconditions, however it will retain a small degree of elasticity for joint movement. Under fire exposure, Protecta® FR ASF creates a robust fire seal by the formation of a durable intumescent char. The sealant has undergone tests to BS EN 1366-3 with additional guidelines from BS EN 1366-4 for fire protection joints and testing in accordance with BS EN ISO 140-3:1995 for acoustic performance.