Besides this prior to duck mud there is Oatey Moisture Barrier which has been nailed all the way to the wall upto 6 inch all sides and 4 inches beyond enterance curb.
https://www.homedepot.com/p/Oatey-5-ft-x-6-ft-Gray-PVC-Shower-Pan-Liner-41630/100119279
How long did the water test last?
>> 18 hours and then the store purchased balloon burst in the drain. No leak. Here is what was used
https://www.homedepot.com/p/CHERNE-2-in-Rubber-Test-Ball-Pipe-Plug-270024/100123670
How did you slope the deck mud?
>> I guess this is where there was a minor...
HELLO EXPERTS
We just had a new bathroom laid from contractor. It is fairly well done and water tight.
Shower pan method of construction
- Pre-Sloped
- Shower Pan Liner and flood tested
- Deck Mud and Hardiback on walls
- Hydroban water proofing everywhere
- Finally tiled with mosaic on...