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Showerthought: Heard a guy at the supply house in Tacoma say he never uses a moisture meter on slabs
He was picking up adhesive and told his buddy that after 20 years, he can just feel a damp slab with his hand. That's a fast track to a callback and a lawsuit. I had a job in Everett last year where the meter read 85% on a 'dry' basement pour, and the homeowner's insurance would have nailed us if we'd laid that LVP. Who still thinks skipping basic steps is a flex?
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felix4146mo ago
Honestly, the bigger risk is that his hand might feel a dry surface, but there's vapor drive coming up from below. A meter checks the whole picture, not just the top skin. That hidden moisture is what actually breaks down the adhesive over time.
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mark_ward6mo ago
That "guessing with someone else's house" line is spot on, but what's his plan when the guess is wrong?
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jesse_price276mo ago
So what happens when his hand feels fine but there's moisture wicking up from a crack he can't see? That's the whole point of the meter... it finds what you can't feel. That 85% reading you got proves it. His way is just guessing, and guessing with someone else's house.
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samflores4mo ago
But like, how often does that actually cause a real problem? Feels like we're talking about a tiny chance of something going wrong.
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