EternaPrime is an adhesive and surface conditioner intended to aid adhesion of EternaBond MicroSealant tapes, or other non-MicroSealant tapes such as butyl tapes and other self adhesive seaming tapes. EternaPrime is also an excellent primer for use with self-adhered modified bitumen membranes. Use EternaPrime when surfaces to be bonded are very dirty (oxidized and cannot be easily cleaned), or dusty (like on a tar and gravel roof). EternaPrime will prepare the surface by coalescing all loose particles into a solid platform for the EternaBond tape to adhere to. EternaPrime allows EternaBond MicroSealant tapes to be installed in temperatures as low as -20°F (-29°C). EternaPrime also prepares most contaminated surfaces for tape application.

14 oz. Spary