Hello my name is Thomas, I am about to embark on a bathroom remodel in my 1950ish house my wife and I recently purchased. The floor is about 2.25″ thick and made out of plywood, it really creaks, it is one of my plans to replace the floor. The bathroom is on the main floor of the house. Underneath the bathroom is the electrical service, breaker box, housing wires etc…, water heater and HVAC. Here is the question, is it better to mud the floor with reinforcement, or is it better to plywood subfloor and use a concrete board on top of this? I am planning on tiling the floor along with the walls and tub enclosure. Any advice will be surely appreciated. Thank you
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Plywood and cement backer board/HardieBacker will a lot easier to handle than mud, esp for an new DIY'r. I like HB bec it's easier to cut and less crumbly than cement board. Stagger joints, use thinset between layers...you know all that, right? Installation instructions
This site is also useful: John Bridge
And use thinset, not mastic, in wet areas.
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