Although we recommend creating a frame for ease of use and accommodating the bolts attached to the holds; If your wall has exposed wood or steel studs and is structurally adequate, it is possible to mount the panels directly. It is important to remember that the bolts used to attach the climbing holds will protrude beyond the back of the panel. It is important to allow adequate space for the bolts.
We do not recommend mounting panels directly to concrete, concrete block walls, or walls that have been sheeted. When in doubt build a frame for your panels. A frame adds minimal cost and will increase the versatility and maintainability of your wall. With a simple frame, you have the ability to change your angles, add shapes and volumes, and have your walls evolve with your climbing.