Why use Nullifire Intumescent Acrylic Sealant M701?
- Up to 5 hours fire resistance
- Suitable for gaps up to 50mm wide
- No insulative backing material required for fire performance, PE backing rod for depth gauge only
- Maintains substrate acoustic rating
- Reduces air leakage
- Excellent tool ability and low slump characteristics, can be smoothed
- Width to depth ratio of 2:1
- Accommodates movement of up to 20%
- Over paintable with most water based and oil based top seals
- Low shrinkage
- Resistant to mould fungus and vermin attack