What is the correct angle in degrees for a 9 on 12 roof??
2006-12-02 05:45:24 · 7 answers · asked by J.B.1972 6 in Home & Garden ➔ Maintenance & Repairs
THE CORRECT ANSWER IS 37.5 DEGREES
2006-12-02 05:57:28 · answer #1 · answered by john t 4 · 1⤊ 0⤋
The angle is 35 degrees
2006-12-02 13:51:14 · answer #2 · answered by egotist61 3 · 0⤊ 0⤋
35 degrees
2006-12-02 14:18:35 · answer #3 · answered by Dawg 4 · 0⤊ 0⤋
17 1/2 degrees, lowest pitch for slate, with a dutch breeze behind it, to stop capillary feeding.
For concrete tiles, they have a higher pitch angle than slate so the 35 degrees would be correct.
So, depends what you are covering the roof with!!!
2006-12-02 15:49:57 · answer #4 · answered by ? 2 · 0⤊ 0⤋
Arctan 9/12 = 36.87 degrees
2006-12-02 15:29:42 · answer #5 · answered by Warren914 6 · 0⤊ 0⤋
132.76 degrees
2006-12-02 17:04:20 · answer #6 · answered by Anonymous · 0⤊ 0⤋
approx. 37 common , 28.5 hip/ valley
2006-12-02 21:23:04 · answer #7 · answered by Hugh 1 · 0⤊ 0⤋