Mark out the location of the shower, including any new walls , on the floor and walls. Most kits can be installed over wallboard , but you can usually achieve a more professional looking wall finish if you remove the wall covering and floor covering in the installation area. Dispose of the materials immediately and thoroughly clean the area.

If you are adding a wall to create the alcove , lay out the locations for the studs and plumbing on the new wood sill plate . Also lay out the stud locations on the cap plate that will ne attached to the ceiling . Refer to the enclosure kit instructions for exact locations and dimensions of studs. Attach the sill plate to the floor with deck deck screws and panel adhesive , making sure it is square to the back wall and the correct distance from the the side wall.

Align a straight 2×4 right next to the sill plate and make a mark on the ceiling . Use a level to extend that line directly above the sill plate . Attach the cap plate at that plate.

Install 2×4 at the outlined locations . Check with a level to make sure each stud is plumb , and then attach them by driving deck screws toenail style on angle into sill plate and cap plate .

Cut an access hole in the floor for the drain , according to the installation manual instructions . Drill openings in the sill plate of the wet wall ( the new wall in this project) for the supply pipes , also according to the instructions.

Install a drain pipe and branch line and then trim the drain pipe flush with the floor. If you are not experienced with plumbing , hire a plumber to install new drain line.

Install new supply risers as directed in the instruction manual ( again, have a plumber do this if necessary ). Also install cross braces between the studs in the wall for mounting the faucet body and sower arm.

If the supply plumbing is located in a wall ( old or new) that is accessible from the non-shower side, install forming for a removable access panel

Attach the drain tail piece, Option and mortar before you lay down the tail piece .

Set the receptor in place and nail to the studs. Lay out the drain and valves holes and cut with a jigsaw . Need to use a fine tooth blade with a jigsaw.

Positon the back wall gap should be 1/2 inch between the bottom of the panel and the rim. Remove the end of the wall if need to apply adhesive apply it now .

Reinstall the end panels follow the kit instructions and pals are flush front the receptors.

Once the panels are positioned correctly and snapped together nail 4 inches to 6 inches along the vertical surfaces.