Window and Door Siliconized Acrylic Caulk creates extra-tight seals around windows, doors, and other locations. This multi-purpose, paintable sealer can be used indoors or out and improves energy efficiency by decreasing drafts and cold spots. It also serves as a barrier against the ingress of dirt, insects, and other pests. Cured caulk is mildew-resistant. Adheres to: Painted and unpainted wood, brick, plaster, drywall, aluminum, masonry, cement, metal, and glass. Apply to: 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 • Cured caulk is mildew resistant • Paintable • Interior/exterior use • Water cleanup.