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Is there a formula for figuring how long the separate panels need to be? The supplier will cut them to size. It's for a 1:12 pitch over a 8'-7" span with a 12" overhang.
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Easy Answer: 9'7-1/2"
(depending on the type of panel, you may need to add some for overhang)
Harder, More technical answer:
A 1:12 pitch means that for every 12" across, the roof rises 1".
(8'-7" + 1') = 115" across
(115" * 1/12) = 9.5833" rise
Then by using the Pythagorean Theorem, we can figure the slope
(115*115=13225) + (9.5833*9.5833=91.84) = 13316.84
then (square 13316.84) to get 115.4" = 9'-7.5"
9/11/2008
Or copy this URL: https://www.metalroofing.com/spirit/comment/12037/find/9/12/2008
Or copy this URL: https://www.metalroofing.com/spirit/comment/12038/find/Isaiah Industries, Inc.
9/15/2008
Or copy this URL: https://www.metalroofing.com/spirit/comment/12039/find/