Window and Door Siliconized Acrylic Caulk provides extra tight seals around windows, doors and other areas. This multi-purpose, paintable sealant can be used indoors or outdoors and helps increase energy efficiency by reducing drafts and cold spots. It also provides a barrier to the entry of dirt, insects and other pests. Adheres To: Painted and Unpainted Wood, Brick, Plaster, Drywall, Aluminum, Masonry, Cement, Metal, and Glass. Use On: Window and Door Frames, Siding, trim, Baseboards, Crown Molding, Corner Joints, Ceiling and Wall Joints, Ducts, Vents, Eaves, Air Conditioners. Features: Easy Application and Tooling. Excellent Adhesion to many surfaces. Mildew Resistant. Paintable. Interior/Exterior Use. Water Clean Up. 35 Year Durability.