This old house plumbing and heating contractor richard trethewey installs a new waterproof shower floor.
Replace 2nd floor shower pan.
Set new acrylic shower pan on floor and check its fit against the studs.
Test fit the shower pan to confirm the drain opening fits over the drain hole in the floor.
If necessary build out studs with inch plywood strips so pan clears any.
Matching your tiles will be the problem though in most cases.
Pre drill holes through the shower pan rim at the marked locations.
Mark the center of each wall stud on the shower pan rim.
The first step is to demo the wall tile which will probably have d.
If your shower has a shower pan replacing just the pan is possible but not always advisable.
They fit on the floor inside the shower and act like a tub keeping water off the floor.
In this video house flipping brothers dave and rich show you how to remove a shower pan.
No point in tearing out entire shower when it fails the issue is almost always just the pan.
The point of having a shower pan is one part versatility and one part convenience.
Steps to replacing a shower pan.
Cut old acrylic shower surround with a reciprocating saw and remove the surround.
Mark the outline of the shower pan on the subfloor using pencil or a chalk line.
See below for a shopping list and tools subscribe.