When you re installing a fiberglass or acrylic shower liner enclosure not to be confused with a shower curtain and base over a concrete floor special considerations should be taken to minimize leaks.
Installing a shower base on concrete floor.
This will allow you to staple only one face of the curb.
In addition shower bases come in various shapes and designs.
To achieve this ensure that the floor is able to carry the weight of your shower base.
If you want to install a shower over a concrete floor a fiberglass shower stall will work just fine.
Place cardboard or another material into the shower pan base to protect its surface.
Ideally you ll already have a drain roughed in with the pipe sticking a few inches above the floor.
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Diamond mesh will be used for the curb only.
It is used because it is moldable and will hold form.
For extra waterproofing install a shower pan liner between layers of mortar before laying the shower pan on top.
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Ideally you re putting it in an area where a drain has already been roughed in.
The side facing the outside of the shower stall.
Installing a base on concrete.
Otherwise you have to break through the concrete to run a new line for a shower stall installation.
Install diamond mesh around your curb as backing for mortar.
Also make sure your floor is pre sloped before installing the rubber liner in the following steps to prevent future mold and mildew.
The inside face will be held in place by the shower floor mortar bed.
Screw the shower pan rim into the wall studs using 1 1 4 inch screws through the pre drilled holes.