? Nickel Gap for a clean modern look ? Durable Solid - 9/16 inch thick Stylish and durable white Shiplap offers a modern take on country rustic design with the addition of the nickel gap. Boards are made from solid wood and primed ready to be painted. Ship lap can be used inside for wall paneling and ceiling or outside for siding. Primed and ready for paint (must apply top coat) Each box has six boards 1 box covers 25 ft? Warranty Installation Installation Instructions CAD Drawings CAD Drawings