Rutland Seal It Right Black Flexible Latex Sealant (10.3oz)

A non-permanent seal that expands and contracts with heat variations. For use with metal, wood, plastic, masonry, and aluminum. Use to install and maintain direct vent appliances, gas-burning systems, pellet stoves, and metal flues on wood and coal stoves. Easily removed for cleaning and inspection. Not an adhesive. 800°F continuous temperature rating. Black. 10.3 fl oz cartridge.

Use for fireplaces, wood stoves, pellet stoves, or gas fireplaces.