Utility Wonder 30-1030 One (1) Gallon Of DO-ALL+PLUS Furnace Cement

Utility Wonder 30-1030 One (1) Gallon Of DO-ALL+PLUS Furnace Cement DO-ALL+PLUS Is Regarded As The Best Quality Furnace Cement In The HVAC Industry A high temperature, non-asbestos, air-drying cement for setting and cementing furnaces, stoves, boilers and chimney collars. Use it for bedding and cementing firebrick and specially shaped combustion chambers. Use it for topping the backfill of oil burner chambers and sealing flue pipes. It's good to 3000ºF and it won't shrink, pull away, crack, sag or lose its sealing properties. Creates a durable, dependable airtight seal. Ready to use right out of the container. Not harmed by freezing and thawing. Trowels with ease. Air sets and heat cures. Light steel grey color. No stains on hands. Non-water soluble after complete curing and setting. Meets ASTM E 136-79. Ideal for NFPA 211 use.