FireMastic Sealant

Flexible fire and acoustic rated acrylic intumescent sealant. Suitable for sealing mints, linear gaps and service penetrations. Our 5-hour fire rated sealant offers the best fire rating of all acrylic and PU sealants on the market, offering maximum protection from fire and smoke in both integrity and insulation. With an FRL of up to -/300/300, FireMastic-300r is unrivalled. Mastic acrylic emulsion, FireMastic-300R is simple to use and cleans up easily in water.

Sizes: 300ml, 600ml