Home and Garden Is slatwall paintable? Is slatwall paintable? Product description The slatwall panels have a 3/4" thick MDF construction. These raw slatwall panels are paintable, so you can choose the color to match your store decor. We do recommend to use a primer before you paint. Related Posts:What is the difference between a Slatwall and a storewall?There are 4 ways to remove acrylic paint from your skin.Is there such a thing as waterproof MDF?How to Paint on Fabric Permanently is the ultimate guide for painting on fabric.