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Originally posted by the
My shower is the same size, but doesn't have a tub, just has the plastic pan on the floor.
I've heard that is difficult to replace, needs to be "hot mopped" etc.
True?
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Not so much that it is difficult. It is absolutley critical that the shower pan liner hold water. It must have pre-slope of 1/4" per foot under the waterproof membrane, the drain weep holes must remain unobstructed and it must be water tested.
When the mortar and tile are set on the shower floor you *must* understand that the water is going to eventually go to the liner.
If the weep holes are blocked, the mortar bed will "load up" and get stagnent and smelly. Also the grout joints will be hard to keep clean.
Liner can be made of chlorinated vinyl ( 40 mils ), trowell/brush applied material or the "hot mop" ( same as a tar roof ).
I prefer the vinyl for a number of reasons:
I can do it myself in a few hours with out dealing with another contractor.
It doesn't stink up the whole house.
It can move with the house settling without tearing or cracking.
The materials to do a shower pan liner of normal size is about $100 dollars.
One of the higher liability projects in the trade and DO NOT recommend it for a DIY'er without oversight.
Most of my shower renovations are the result of failed shower pan liners.
KT