This expanding foam has excellent adhesion as well as acoustic and thermal insulation properties.
 
A one component polyurethane foam filler that is high yield fire rated. Compared to it's initial volume, it expands to 35-40 times, rapidly cures whilst conforming to all international standards.
 
Ideal for use for using in door and window frames as a fire retardant, plus being suitable for use as a large gap filler in passive fire protection systems. 
 
Features & benefits
Excellent acoustic properties
EN13501-2 – Reaction to fire, class E
EN1366-4 – Up to 4 hours fire resistance depending on joint configuration
More than 25% linear yield than Soudafoam FR
Fire rated polyurethane expanding foam filler