Pur 7 Pro B1 Expanding Foam 750ml s a Fire-Retardant Class B1, low expansion Gun grade Expanding Foam that uniquely stops expanding when it meets resistance. Tec7 Pur Pro is ideal for filling, sealing, insulation and prevention of thermal bridges and is soundproof. Tec7 Pur Pro adheres to most building materials and can be sand-ed, painted and plastered after 60 mins.
Very Low Expansion – Max Expansion of 20%
Fire Resistant: Class B1
Fast Curing (60 Minutes) and Permanent Flexibility
Can be used at Freezing Temperatures as low as -10⁰C
Minimum Expansion Pressure