Waterproofing is non-negotiable: plan for a continuous membrane in the back of tile

https://zulu-wiki.win/index.php/Phoenix_Home_Remodeling%E2%80%99s_Structured_Approach_to_Bathroom_Renovating_in_Laveen

Waterproofing is non-negotiable: plan for a non-stop membrane behind tile and around furnishings to hinder high-priced leaks and maintenance.