EnviroShield Odor & Smoke Blocker permanently coats and seals-in tough deeply embedded odors from fire damage, animals, nicotine and musty mildew.  This clear coating is designed for restoration professionals and certified applicators and is formulated to perform like an oil based coating but is water based providing no harsh fumes and easy soap and water clean up. EnviroShield Odor & Smoke blocker can be used as a primer or as a finish coat on a wide variety of interior surfaces.