Comment on 2x2 lumber at Home Depot is now 1.28x1.28. Nominal size is supposed to be 1.5

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themeatbridge@lemmy.world ⁨5⁩ ⁨months⁩ ago

It’s not exactly a lie, just a standard. Nominal board sizes were based on the unfinished lumber size. Another 1/4 inch is taken off each side to get a smooth surface that makes it easier to work with.

Here’s an old image (reddit warning)

www.reddit.com/media?url=https%3A%2F%2Fexternal-p…

that shows the rough cuts of boards from a log. When they look at a log, they determine how many of each size they can get from it, and at that point, a 2x4 is 2 inches by 4 inches.

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