Acrylic latex caulk with silicone. Permanently flexible to form a tough, rubbery gasket that will not crack, split, dry out, or become brittle. Remains brilliant white or can be painted when dry. Contains rust inhibitors and mildewcide. Finger smoothable. 40-year life.
Caulk, Foam, Adhesive
White Lightning 10 oz All Purpose Caulk