Designed as a thick, rubberized patching compound, the Flex Paste 16 oz. Interior & Exterior Multipurpose Sealant spreads easily, fills gaps fast, and cures into a durable flexible seal. It adheres to many materials to help block water, air, and moisture, and it can be applied on dry or wet surfaces, including underwater.
Comes in Black and White
Thick, spreadable paste
Dries to flexible rubber
Seals air and moisture
Fills cracks and holes
Works on many surfaces
Applies wet or underwater
Paintable once cured
