Description of Product Intumescent acrylic sealant is a low smoke, halogen free, water based sealant, which does not contain solvents and uses a chemical mechanism which produces only steam to intumesce. The intumescent reaction forms an inorganic crust which is unaffected by fire, but allows the sealant to intumesce up to 100% to prevent the passage of smoke or flames. Fields of Application FIRE SEALANT is designed for: Sealing joints, voids and irregular holes in fire walls, partitions and other structures and for maintaining their integrity when sealing pipes and cables that penetrate them.Ideally suited for internal perimeter pointing of fire rated door and window frames.
Features and Benefits:
- Fire rated in both horizontal & vertical joints
- No priming required for most construction substrates
- Joint movement capability of ±20%
- For use in joints up to 25 mm wide
- Halogen free
- Non slump, easy to apply and tool off
- Fast cure - tack free in 15 minutes
- Can be overpainted
- Excellent adhesion to most common construction substrates 10.12 month shelf life