Custom-tiled showers are a sizable investment and should last the lifetime of
your home. Unfortunately, if you tear out shower tile as often as I do, you’ll find a host of catastrophes, including horrifying mildew and mold growth as well as failed framing – rotted through after long-term exposure to water.
The culprit often is misunderstood building science in a tile shower system. From a construction perspective, the function of a shower is to protect the wood structure of the home by capturing water and directing it into the plumbing system.