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. Slatwall for home interior Ideas & Inspirations.