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Just had a nightmare install in a 1970s split-level that changed my prep work forever
I was in this house in Akron last month, laying carpet in the sunken living room. The old pad was totally glued down, so I started scraping. My scraper hit something solid, and I found a whole section of the subfloor was actually 1/4 inch plywood just nailed over the original boards. The homeowner had no idea. I had to stop, go get a sheet of 3/4 inch OSB, and spend two extra hours fixing it before I could even think about tack strips. Now I sound like a broken record, but I tap and probe every single square foot of subfloor before I even unroll the new pad. Anyone else gotten burned by a hidden subfloor surprise like that?
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piper_burns6mo ago
Oh man, that 1/4 inch plywood find is brutal. I feel your pain. I learned my lesson on a job where the floor felt fine until I pulled up the old vinyl. Found a two-foot square patch of just... nothing. It was particle board that had completely turned to dust from a slow leak. The joist was right there underneath. Had to sister in new blocking and put down a whole new sheet of subfloor. Now my moisture meter and a good hammer for sounding things out are the first tools out of my truck. That extra half-hour of checking saves a whole day of headache.
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simona776mo ago
But honestly, sometimes you just have to move fast and trust the surface. I've seen guys waste a whole morning poking and testing, only to find out the floor was solid the whole time. That moisture meter can give false reads on old glue, and sounding with a hammer is just guessing unless you're an expert. If the floor feels firm underfoot and there's no visible sag, slapping down the new layer and getting on with the job is often the right call. You can overthink this stuff and blow the budget on day one.
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mark3616mo ago
Ugh, that's just how it goes with old houses. It feels like every repair is just a cover-up for the last guy's shortcut.
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