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. Knotty pine slatwall is the favorite color of slatwall. Even though it doesn’t really only made of knotty pine, but it uses knotty pine color to the laminate part of the slatwall. People choose this color because it is very light and also refreshing so that they can just put it in various places like in the living room, kitchen, garage or even in your bed and bathroom. Ideas & Inspirations.