Roof pitch

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Old 07-15-03, 07:36 PM
daveallen1947
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Roof pitch

Hi all. this is my first post so I hope I am doing everything right. I am going to build a patio cover for my deck. I want to keep the height to the maximum at the lower end of the cover. I live in northern California, no snow a lot of rain in the winter. What is the least amount of pitch I can get by with. The cover will have 2x6 rafters 24 inches on center and an asphalt roof. Any help will be appreciated. Thanks.
 
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Old 07-15-03, 08:01 PM
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daveallen1947,

Congrats on doing your first post and hopefully many more. I hope my answer doesn't disturb you but you leave questions that only you can answer. It all depends on what you're talking about.

The Pitch of the roof will determine your roofing materials required to perform the function intended based upon the pitch. In turn, the strength of the structure to carry it will also be a factor.

You can have 1/4 to 12 inch pitch but you are talking about a EPDM roofing membrane or traditional built-up. The latter tends to require more stability than what you mentioned with the 2x6's @ 24" O.C.

You mention an asphalt roof - what does this mean to you...shingles, rolled roofing, built-up?

For shingles 2 1/2 to 12 pitch is minimum by manufactures standpoint on specific shingles but most cities don't like to see less than 3/12. Less than 3/12 then you are looking at other roofing materials other than shingles. When applying for your building permit for new roof, they will have rules on this.

Hope this helps!
 
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Old 07-16-03, 09:00 AM
daveallen1947
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Roof Pitch

Thanks for the information. Yes I plan on using shingles, so I will go with a 3-12 pitch. Once again thanks for your time.
 
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Old 07-16-03, 09:18 AM
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daveallen1947,

You're welcome!

Good luck on your project!
 
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