The ACCELERATOR is a premium (proprietary) modified acrylic based sealant that offers unmatched paintability. The ACCELERATOR allows you to spray paint immediately or brush/roll in only 30 minutes. Can be used on a wide variety of interior / exterior surfaces, delivering good adhesion and durability. The ACCELERATOR forms a flexible, durable airtight water resistant seal. Once cured the bead is mildew resistant. It is low odor, easy to apply and is soap and water clean up.