Dap Alex Plus 35 Year Acrylic Caulking: A paintable siliconized acrylic latex sealant guaranteed durable for 35 years. Good for indoor and outdoor applications. Highly flexible and mildew resistant. Adheres to wood, metal, brick, concrete, glass, plaster, drywall and painted surfaces. One 10 oz. tube covers 55 linear feet at 3/16"diameter bead.