SERPI-MASTIC HIGH TEMPERATURE ASBESTOS ENCASEMENT COATING is a water-based, high solids, high performance protection for asbestos or other friable thermal/insulations on boilers, pipes and ducts. It dries to an ultra-durable, weather resistant protective coating that provides high impact protection for asbestos, cement asbestos board and thermal/ insulations on boilers, pipes and ducts. Impact resistance of over 160 psi, which is practically indestructible by U.S. Testing Co. standards. Non-toxic and can be used indoors or out. Trowelable version also available. Call Inline to order.