The grooves are mostly made of plastic but metal material like aluminum will make it more durable. It is basically depends on what kind of product that you would like to display on it. This is a good option of technology to shopfitting for stores or even art gallery to hang the painting or other stuffs. Slatwall is usually available in color, there are oak, mahogany, maple, natural birch and knotty pine slatwall color. Not only that it is used to put some products to sell, but it is also used by many people to help them hang a lot of other things like pictures, painting, or even to hang your kitchen equipments like spatula or some other kitchen stuffs. It can even be modified into a rack to or shelve since the grooves can be inserted with other panels to make a shelf to put some room decoration. Ideas & Inspirations.