[vote4Pedro]

i've seen two different videos one showing installation of durarock before the mortar of the shower pan on top of the liner. this will ensure that some durarock sits below the cement mark. however most other videos show that you build the shower pan motar and then durarock during the wall install with durarock sitting on top of the pan.
so which method is the one i should go with?

 

[oh'mike]

Building a shower pan with pre-sloped mortar bed, liner and curb.

Steps--
1. drain
2. preslope
3.liner
4.Durrock
5.deck mud
6.fat mud for curb

The deck mud hold in the bottom of the rock so no nails are required near the water line.