380ml. Intumescent acrylic sealant for internal applications. Maintains integrity of fire walls or partitions. Resists mildew and mould growth, 30-45 minutes tack free time. Good unprimed adhesion to most construction substrates. Up to 2 hour fire rating. BS 476 Part 22:1987. Specifications: Mean toxicity index 2.0 when tested to NES713:1985 Class 2 classification for surface spread of flame. BS 476 Part 22:1987.