When the concrete remains moist mold growth will occur over time eventually causing considerable damage.
Shower pan liner on concrete floor.
Remember tile and mortar are not waterproof.
A kohler sterling shower base installed on concrete.
It is very important to follow all steps as.
In the absence of a pre slope below the shower pan the pan will be flat on the floor surface keeping any of that water in the concrete from percolating down and into the weep holes of the shower drain.
4 the pitch for the shower floor is created with the preslope and the secondary mortar bed is all a uniform thickness.
Leave the mortar to.
It s not a flawed system as mentioned i do not use this type of shower pan system but many guys still do.
Typical slope for a shower floor is 1 8 to 3 16 inch per foot across.
How to install mud in a shower pan for a tile shower stall.
The liners usually come in 4 5 or 6 foot wide sheets and can be selected depending on the size of the shower cubicle.
Since they need to be waterproof most shower pan liners are made from pvc or poly vinyl chloride which is nothing but a type of plastic sheet in simple language.
Pour a layer of mortar over top of the shower membrane and form the slope down towards the drain hole.
A real wrestling match but we got er done.
Instructional video on installing a pvc pan liner for a tiled shower pan.
Step by step process on how to install pvc pan liner for any shower and yes you need one on a slab application so this would apply to those showers too.
This method can be used to build a pre slope or pre pitch for a vinyl liner or the base for a sc.
This can be done by a handiman or diy.
Pre slope is required in order to allow water collected on the shower membrane to drain into the weep holes of your shower drain assembly.