Titebond® WeatherMaster™ X-TREME Multi-Purpose Cleaner is designed to clean up WeatherMaster X-TREME foam sealants. This product is an acetone cleaner and is not meant to be used on surfaces that are not solvent or acetone resistant. The Cleaner is a spray solvent used to dissolve uncured foam. X-TREME Cleaner can also be attached to the WeatherMaster X-TREME Dispensing Unit, allowing it to be flushed and kept clean and operable.