Building a lean to roof

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BigBear56
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Re: Building a lean to roof

Post by BigBear56 » Thu Aug 20, 2020 3:36 pm

Wow based on these responses I don’t know how my barns made it this long lol. I have 2 such roofs that are hip roof add ons. Both have low slope. The first section is 36’ wide by 18’ deep. That one has (3) 6x6 posts with 2x12 headers on both sides. The roof beams are 2x12 that are spaced 8’ apart. Low slope, central Ohio, built in 1954. With a 6’ level, it’s level and plumb all the way around.

The other is 30’ wide by 15’ deep. (4) 4x4 posts on each end with 2x10 headers. 2x6 roof beams spaced 2’ apart. Built in early 2000’s. I have not put a level on it but it appears fine.

I always overbuild and would use the largest lumber available to build anything. Big posts, joist hangers, hurricane clips the whole 9 yards. FWIW

I think your 2x8s on 16” centers would be fine if you had 2x12 headers with 6x6 posts to carry the load



Dave
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Re: Building a lean to roof

Post by Dave » Thu Aug 20, 2020 7:22 pm

The loafing shed I am rebuilding is over 40 years old. It had Juniper posts about 4 inches diameter on the top. Lodge pole pine about 4 inches for headers. And 14 foot long lodge pole rafters about 3 inches in diameter on one foot centers. Tin roof with about a 3/12 slope. We don't get a lot of rain or snow but some years we do. In 2016 it stood through 3 feet of snow.

Hoover
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Re: Building a lean to roof

Post by Hoover » Thu Aug 20, 2020 8:17 pm

Bigbear, back in the 50s I would believe that, they had the lumber to build, the lumber these days isn’t what it was, kiln dried lumber is more prone to snap as apposed to the air dried in the good old days.

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BigBear56
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Re: Building a lean to roof

Post by BigBear56 » Fri Aug 21, 2020 6:19 am

Hoover wrote:
Thu Aug 20, 2020 8:17 pm
Bigbear, back in the 50s I would believe that, they had the lumber to build, the lumber these days isn’t what it was, kiln dried lumber is more prone to snap as apposed to the air dried in the good old days.
For sure. I’m pouring a concrete retaining wall on one side of this barn and the posts below grade are as good as new.

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Re: Building a lean to roof

Post by Dave » Sat Aug 22, 2020 1:23 pm

I have started working on putting a new roof on the loafing shed. Any of you construction type who think poorly of my job please hold your comments. I am in strict compliance with the Eastern Oregon Ranch Construction Manual. We do have standards you know.


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