Shower wall panels are a solution to the soggy wall syndrome, where moisture seeps through tiling and rots the plywood underneath. They come pre-manufactured and install with minimum effort. Planning ahead and taking care to install them properly greatly increases the effectiveness of the shower walls. Use only the best materials and do the job right so you only do it once.
Pre-install the track or channel for your shower door, following the manufacturer's directions. Draw a vertical line up the wall from the point where the channel intersects the wall with a pencil and straight ruler. This denotes the beginning of your shower wall. If you are not installing a door, skip this step.
Measure the location of the faucet and handles for the shower, using a tape measure. Measure from the vertical line to the beginning of the faucet handles, and up from the tub to the faucet handles. Mark these distances on the shower wall panel to determine the location of the faucet handles.
Drill out holes to match the location of the faucet handles, using a hole saw. Measure twice before you make the cut.
Loosen the retaining screws on the handles with a screwdriver to remove the faucet fixture.
Run a bead of heavy-duty glue about 1/2 inch wide all over the section of wall where the shower panel will be installed. Press the shower panel to the wall over the glue with the holes fitted over the faucet and handle area, and peel the panel back off the wall. Set the panel into place one more time and press it to the wall firmly. This secures the panel in place permanently.
Apply caulking to the second and third walls and press the final two shower panels into place. Remove them from the wall. Remove the adhesive backing from the corner edges and press the panels back onto the wall. Firmly press the corner's edges against the panels after the panel is set into place.