Dap 18670 Painter Caulking Compound An all purpose acrylic latex. It is a durable indoor and outdoor caulking product It ensures a durable seal to prevent air and moisture from passing through cracks and joints Paintable with latex and oil based paints and can be used for both interior and exterior application Ideal for caulking and sealing windows & door frames, baseboards, moldings, siding and trim Adheres to wood, brick, metal, drywall, vinyl, most common building materials and painted surfaces