Revisions log for Answer #2409
This is the answer to the question Is it convenient to use the attic with a gable roof with a slope of 20 degrees?
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2022‑09‑24 19:24
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TAN(alpha) = opposite cathetus/adjacent cathetus <=>
opposite cathetus = opposite cathetus * TAN(alpha) = 10/2 * TAN(22°) = 2,02m maximum height under the ridge
Depending on the roof construction and insulation, that leaves 1.60m. It's not much, but it's good for Christmas balls, sledges and Easter nests.
You have to weigh the cost/benefit question yourself.