If you use a sheet membrane you will have to install a layer of roofing paper first and then install the vinyl membrane.
Installing a tile shower pan on a sub floor.
3 popular choices for a custom shower pan.
Once demolition of the old tile is complete install a cement backer board in the shower area image 1.
When installing a tile shower whether it be ceramic marble travertine or any other tile product.
Lay out the shower on the subfloor using your finish materials in this case tile and glass block to help define its size and shape for shower pan installation.
Mark the center of each wall stud on the shower pan rim.
Over the membrane a mortar bed floor supports the tile.
The key to a successful installation lies in the use of a chlorinated polyethylene cpe or pvc membrane tough but flexible plastics that form the pan of the enclosure and make the floor waterproof.
Mark the outline of the shower pan on the subfloor using pencil or a chalk line.
If your next bathroom remodel includes a tub or prefab fiberglass shower base then the installation is going to be pretty straightforward.
After you have put down a double layer of plywood to provide the base for a custom walk in shower pan you need to cover the subfloor with a layer of tar paper in this case referred to as a vapor.
Waterproof the shower pan.
In our project the shower pan is poured concrete image 2.
The standard installation of a tile redi polyurethane shower pan starts with a framed in shower alcove that is sized for the shower pan.
This custom built pan provides the necessary base over which to lay tile.
Depending on local building code you can use a vinyl sheet membrane or hot mop with tar.
How to install mud in a shower pan for a tile shower stall.
These days if you want to put in a shower you can just go to a home center and pick up a fiberglass unit.
All three of these methods will result in a professional quality.
This is necessary for durability style and so the pan is the exact size and shape for your new shower.
While prefabricated pans are faster and easier to install if you want to use tile instead of an acrylic or fiberglass enclosure you need this tailor made option.
A mortared shower pan allows you to custom fit a shower enclosure.
The roofing paper provides cushion between the concrete and the vinyl membrane which is critical.
Have a professional install a shower membrane and shower pan appropriate for the space.
You will later screw the shower pan into the wall studs.
Keep the type of shower door in mind when deciding on the right shower pan size.