Premfire FR IM is a halogen-free, polymer emulsion based sealant that swells when subjected to temperatures in excess of 125°C and forms a char coat that restricts the passage of smoke and fire.
Color: White
Size: 310ml
Features
Excellent adhesion to a wide range of substrates
Will not harden or crack with age
Readily over-paintable
Typical Applications
Smoke and fire seal in joints up to 35mm deep without slumping