Product details:

Finish your project faster—boards are sanded, primed twice, and painted to make your project go faster Finger-jointed, knot-free radiata pine with an ultra-smooth, primed surface Boards interlock for better installation results Board backs have relief grooves to help prevent cupping Each board is 9/16 in. x 5-1/4 in. x 6 ft. These blemish-free boards are already primed and painted with an ultra-smooth surface, ready & waiting to be installed. The boards interlock securely and youll have fewer exposed fasteners, allowing for minimal touch-up. Each board is kiln dried to reduce warping and twisting. Timeless Nickel Gap Shiplap boards are recommended for interior use only, exterior applications require an exterior wood protector sealant.