[ Ссылка ] Visit our website to learn more about stair building, design and repairs. Here's another one of those things I was taught when I was a carpenter apprentice that might not work all the time. The seventeen and one half rule uses the depth of the tread and the riser height to figure out if a stairway will be comfortable to walk up and down. However it won't always work when using some risers and steps measurements.

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