This Grip Rite XL50 White Silicone Acrylic 10.1 ounce 10.1 ounce is a general purpose Polyurethane Foam caulk that can be used for interior and exterior applications. Protects from moisture for at least 24 hours for proper cure. Don’t forget your moulding and installation supplies, for the best prices in the area. They are in stock at Builders Surplus in Louisville and Newport, KY which also serves Cincinnati, OH. *Price May Vary By Store Location..