This sealant is a one-part, polyurethane sealant, good to use in expansion joints for swimming pools, decks and sidewalks, and is suitable for continuous immersion. Select Type and Color: 1570W - Vulkem® 116, 10.5 oz. cartridge, white 1570G - Vulkem® 116, 10.5 oz. cartridge, grey 1572W - Vulkem® 45, 30 oz. cartridge, white 1572G - Vulkem® 45, 30 oz. cartridge, grey