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TOPIC: Cutting Metal Panels

Determining length of roof panels

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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.
Guest User

9/11/2008
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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"
Nate Libbey

9/12/2008
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Thanks Nate Todd Miller
Todd Miller
Isaiah Industries, Inc.

9/15/2008
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Or copy this URL: https://www.metalroofing.com/spirit/comment/12039/find/
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