Fireproof sealant and joint adhesive. It does not crack under extreme temperature variations and creates an unbreakable bond to porous or else surfaces made of fire (refractory) bricks, natural stones, concrete, cast iron, iron, brass, copper etc. Easy to work with, both on horizontal and vertical joints, without sagging. Ideal for sealing, without priming, detached and weathered joints in fireplaces, ovens and barbeques. Also suitable for chimneys and steam pipes, industrial ovens and wood stoves. It does not contain asbestos.