Sub Flooring For Bathroom Tile
If your subfloor doesnt pass the flex test either because its a bathroom floor and has sustained moisture damage or its the wrong material you can and should replace the damaged section.
Sub flooring for bathroom tile. Over time trapped moisture can cause the subfloor to rot compromising the bathrooms structural integrity. And the underlayment a final layer that lies just beneath the. DIY tiling is a great way to save some cash during a renovation.
This is fine for wood carpeting and resilient flooring but not for ceramic tile. A successful tile installation project requires a level surface. Usually made of plywood or OSB the subfloor provides a stable surface not just for floor coverings but for all of the heavy live-load elements in the living space such as furniture people kitchen and bath cabinets showers and tubs.
This is a sturdy structural layer resting directly on the joists. It is used in showers and floors as a strong substrate to support tile and when used in a shower it NEEDS a water proof membrane. When moisture becomes trapped in a subfloor it can cause tiles to bubble and warp.
Tape off any affected vents with painters tape. Except for slab floors any flooring system consists of three primary components. Plywood will start to rot when its exposed to water too often.
Backer board comes in four-foot-by-eight-foot and three-foot-by-five-foot rigid panels that contain a combination of cement fiberglass and sometimes crushed glass particles. I will go for 18mm WBP plywood and 6mm tile mate backerboard as this is recommend for floors 12mm is not recommended as I previously wanted to use Mike said. The joists or structural support component.
Cement board should be installed on a SOLID sub floor to prevent flexing important when flooring tile is used on top of it. But if you want great looking tiles that stand the test of time theres no rushing the job. Installing ½ cement fiber panels on top of a solid ¾ inch plywood subfloor will provide an excellent surface to install your bathroom tile.