Diy Tile Shower Walls . Not taping and mudding the seams. This simple wall panel installation brings in a professionals look without lots of things to do. Top 10 Useful DIY Bathroom Tile Projects from www.topinspired.com Beginners guide/tutorial for the diy enthusiast. How to tile and grout a bathroom wall. There’s a paper backing on the tape that you peel off once you’re ready to apply.