Showers and tubs can get awfully gross and need repairs. When that happens, it is the surround that usually needs a makeover. 

Tub surrounds are made from a variety of materials, including plastic, cultured marble, Corian and many more. The least expensive, plastic, starts at less than $100. The kits come in five pieces–there are three panels that attach to the three walls surrounding the tub, and two corner pieces. 

To address this problem, you will first need to remove the hardware from the front wall., and then take off the tub spout and the handles. The tub spout will either unscrew or will have a setscrew underneath it that holds it to the pipe. 

Each handle will have a small plastic cover that hides a screw. Remove the screw and pull off the handle. The showerhead and arm are sometimes above the surround, so you may not have to remove them. 

Next, you must remove the old surround. If it’s in really bad shape, it will likely easily come off of the wall. If there are problems removing it, you may damage the underlying wall. Often when removing old ceramic tile to install a tub surround, parts of the wall come off with the tile. 

If you damage the wall, you must repair it. You may even look at the wall and decide that it needs to be replaced anyway. In any case, you can repair any damage in the wall with cement board or water-resistant greenboard. 

If the walls are in good shape, you need to cut and apply the sheets to the walls. The back and side walls are easy, but you will need to cut some holes in the front wall. 

You can measure the locations on the wall and transfer them to the surround sheet, but this is risky, because your measurements have to be very accurate. It is much safer to make a template and then transfer the exact location of the holes to the sheet. 

You can use a piece of cardboard or paneling to make a template. If you use cardboard, push it into the protruding tub spout pipe and handle stems and it will make indentations to mark where you are to cut. Use your template to transfer the marks. You can then cut the hole for the tub spout pipe with a 1 1/4-inch hole saw. This saw chucks into a drill and cuts as the drill spins. It also works well for two- or three-handle shower valves. 

If you have a single handle that controls both the hot and cold water, you will need a larger hole. Drill a pilot hole and then use a jigsaw with a fine-toothed blade to cut the hole. 

The size of the hole depends on the size of the valve and, most importantly, the size of the decorative plate that will cover it. 

Once the holes are cut, follow the manufacturer’s instructions regarding the order in which the panels are to be installed. Do a dry run and hang the panels on the wall with tape. Then use a pencil and make lines on the walls to mark the locations of the panels. Take the panels down and get the adhesive ready. 

For the inexpensive surround, you will use panel adhesive and run thick beads on the wall and the panel. Next, push the panels in place. You can use tape to hold everything in place until the adhesive sets up. 

The corners where the panels meet do not have to be perfect, because they will be covered with the corner pieces. 

You can use the adhesive for the corner pieces, too. After everything is in place, use silicone caulking to seal the perimeter of the surround, as well as both edges of the corner pieces. Finally, seal the tub spout and the escutcheon plates to make them water-tight. 

Depending on the size of the old surround and the size of the new one, you may have some drywall work to do. If the new surround doesn’t cover as much area of the wall as the old one, you will need to texture and paint small areas, which is a separate project of its own. 

Maybe you can worry about doing that job next weekend.