Fire Mate Intumescent Sealant White 295ml is a high-performance, 4-hour fire-rated acrylic sealant designed to prevent the spread of fire and smoke through internal joints and service penetrations. Expanding to over 150% of its original size when exposed to temperatures above 125°C, it forms a protective insulating char while also providing reliable acoustic sealing and long-term flexibility.
- Up to 4 hours fire resistance with intumescent expansion over 150%
- Suitable for sealing joints, voids, pipe and cable penetrations
- Acoustic performance – average 24dB sound reduction
- Permanently flexible (±7.5% movement), for joints up to 50mm wide
- Non-slump, easy to apply, tack free in 15 minutes
- Over-paintable, no priming required on most substrates
- Certified to EN15651-1 F-INT and tested to relevant BS EN standards










