Premium unsanded acrylic caulk by Mapei. This interior caulk is easy to use, easy to clean and formulated to match all of Mapei's grout colours and textures. It is washable, paintable and mildew resistant. Ideal to fill voids up to 6 mm (1/4 '') and redo the joints cracked or faded grout. Also serves as a sealant around sinks, tubs, showers, countertops and ceramic tiles. Let dry at least 4 to 6 hours before painting and protect from water exposure until fully cured for at least 72 hours. This sealant comes in a 311 mL gun's cartridge for easy application and it is VOC compliant.