25inT, 12inW x 96inL, Paint Grade The material must be acclimated for a minimum of 48 hours prior to finishing. Since our Tambour is real wood, the material must be stretched prior to painting, staining, or coating. Our Flexible Wood Tambour Panels are easy to install and paint or stain to match your designs. 1/4in Cove-Cut Flexible Tambour, .