Since our Tambour is real wood, the material must be stretched prior to painting, staining, or coating.Our Solid Wood Tambour Panels allow you to create a modern look and unique texture. 1-1/2" Thin Bevel Slat Tambour - Walnut (12"W x 48"L) The material must be acclimated for a minimum of 48 hours prior to finishing. Our Wood Tambour Panels are easy to install and paint or stain to match your designs.