NEW LOT OF (2) IMPERIAL KK0067-A GREY STOVE & FIREPLACE MORTAR CAULK 5385430
IMPERIAL MORTAR CAULK. (2) 10.3OZ CAULK TUBES. Non-asbestos, superior bonding strength. Durable as firebrick when heat cured. Resists temperatures up to 1093°C (2000°F). Color=Grey.