Bostik Intucrylic Sealant is a high quality water-borne acrylic intumescent building sealant. It cures to form a tough, tack-free seal with excellent adhesion to a wide variety of building surfaces. In the event of a fire it will resist the passage of smoke and flames. Used to seal expansion, contraction and construction joints; as a bedding/sealing compound for locating fire resistant board systems; to seal gaps which occur between fire-rated building components and the surrounding structures i.e.window and door frames; and as a service penetration seal system for both cables and pipes.