The only time a shower works with no liner is if it is on a concrete floor and the tile is laid directly on the floor so that any overflow would drain directly into the room and could not build up any static head pressure and even then there is a possibility of leakage where the walls meet the floor.
Shower floor tile liner.
Remove the top flange of the drain if it is still installed and thread the 4 bolts into the bottom flange.
If building on a plywood surface you must first lay down a layer of felt paper isolates concrete from floor movement.
Use galvanized roofing nails to nail the liner at least 12 up the walls surrounding the shower pan.
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Position the liner in the shower pan over your preslope floor and up the walls.
This can be done by a handiman or diy.
It is very important to follow all steps as.
This is the most traditional shower floor construction but it is also the most complicated labor intensive and heaviest type of shower pan to build.
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You should already have the shower curb formed with 3 2x4s stacked on top of each other and fastened securely to the floor.
On floor installations.
Remove the upper half of the drain and install pvc pan liner available at home improvement and tile stores.
Once in position carefully take a utility knife and cut x s on the heads of each of the 4 bolts and slide the liner over the bolts.
Instructional video on installing a pvc pan liner for a tiled shower pan.
Mix cement with just enough water to get it to hold shape.
This article explains how shower pans liners are installed incorrectly by plumbers tile setters and inspectors.
Ensure that your shower drain has been installed in the proper location with the lower half supported flush with the sub floor.
Then staple down a layer of metal lath.
Metal tile shower pan installations will usually include metal tile quarter rounds or metal tile bullnoses.
This type of floor must be graded slightly toward the center drain.
Some metal tile manufacturers will also produce specialty metal tile trim pieces including metal tile chair rail molding or.