Firex 321 One part acrylic intumescent & acoustic sealant
Firex 321 is a one part acrylic intumescent & acoustic sealant. The sealant is formulated to intumesce on exposure to high temperatures to form a fire and smoke resistant seal.
Firex 321 is designed for internal perimeter pointing of fire rated door and window frames where the integrity of fire walls or partitions needs to be maintained.
- Swells at high temperature to give a fire & smoke resistant seal
- Four hour fire rating
- Environmentally friendly
- Good unprimed adhesion to most common construction substrates
Pack Size - 380ml ‘e’ cartridges