Shower: Exterior Wall - Vapor barrier and waterproofing (Homelux)? - Ceramic Tile Advice Forums - John Bridge Ceramic Tile
![I live in Tennessee. Do I need a vapor barrier on the outside walls and ceiling in the bathroom I am building? Should I use green back drywall board? - GreenBuildingAdvisor I live in Tennessee. Do I need a vapor barrier on the outside walls and ceiling in the bathroom I am building? Should I use green back drywall board? - GreenBuildingAdvisor](https://images.greenbuildingadvisor.com/app/uploads/2018/07/25051928/Red%20Gard.jpg)
I live in Tennessee. Do I need a vapor barrier on the outside walls and ceiling in the bathroom I am building? Should I use green back drywall board? - GreenBuildingAdvisor
![bathtub - What are the pros and cons of adding a vapor barrier behind shower backer board? - Home Improvement Stack Exchange bathtub - What are the pros and cons of adding a vapor barrier behind shower backer board? - Home Improvement Stack Exchange](https://i.stack.imgur.com/RqXaX.jpg)