I started out just doing a backsplash behind the sink/oven. Liked it so much I decided to do half of another wall where all my small appliances (e.g. microwave) are. Just discovered the finishing edging that's available and will use that soon to add a nice edging.There were a few rough patches on the walls, but the adhesive worked fine and now you can't tell there was ever a problem.My kitchen looks so much better now. Many videos on YouTube to watch. Took a little practice to get the cutting right for the hard spots around outlets and window ledges (keep your boxcutter edge really sharp and really DO use a cork-backed ruler!) I'm so happy I discovered these. When I redo upstairs bathroom, will use again! One very happy customer.