Field notes
Practical reads on substrates, waterproofing, and uncoupling — the decisions that keep wet-area jobs passing inspection and staying on schedule. No fluff, no homeowner hand-holding.
Foam backer changed the math on wet-area installs — but cement board still earns its spot on the truck. Here's the trade-to-trade breakdown on waterproofing, weight, handling, and where each substrate actually belongs.
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Waterproofing, weight, cut method, and install speed — a no-nonsense comparison so you spec foam or cement for the right surface, every time.
Membrane, sealed seams, treated corners, and a flood test — the sequence that builds a wet-area assembly your inspector signs off the first time.
When decoupling matters, how the mat prevents lippage and cracking, and matching the membrane to plywood, slab, or radiant-heated substrates.