Unsmoke Unsoot 1 MSDS SHEETS _CLICK HERE_Forms a clear, encapsulating film to contain particulates and dust Unsoot #1?s long-lasting barrier helps prevent the release of particulates, thereby helping to improve indoor air quality and occupant comfort after restoration. Use on structural wood, or for sealing duct work and ceiling plenums after fires, smoke damage, or oil burner puff-backs.