Nullifire FS721 Trowel Grade Acrylic Sealant
FS721 Trowel Grade Acrylic Sealant is a single part waterborne fire resistant acrylic sealant. FS721 sealant can provide up to 4 hours fire resistance when used in conjunction with Nullifire FB747 Coated Board System. FS721 is designed to be brush or trowel applied to seal the uncoated edges of FB747, or provide coat back of cables to provide insulation in accordance with EN 1366-3.
What the experts have to say
Up to 4 hours fire resistance
Suitable for use in conjunction with Nullifire FB747 Coated Board System
Accommodates movement of up to 20%
Resistant to mould fungus and vermin attack