CRL Premium Grade White Acrylic Latex Caulk is designed for the Pro and the Joe when tackling a number of projects. This superior quality acrylic latex caulk applies easily with a caulking gun and remains very flexible after it cures. CRL 15W adheres to most construction materials and is ideal for use when caulking interior door and window perimeters, baseboards and ceilings to provide years of protection. It adheres to plaster, drywall, painted and bare wood, concrete and aluminum. It can be applied at outdoor temperatures as low as 40°F +90°F, and withstands extreme temperatures after full cure from 0°F to +200°F. CRL Premium Grade White Acrylic Latex Caulk may be painted when a skin has formed usually after 2 hours of application for latex paint or 24 hours after using an oil-based paint.