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Old 06-25-2010, 09:46 PM   #1
sammm
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Question Hip roof w/vaulted ceiling

Is it possible to have a building with 8' walls and still have at least a 10' ceiling in the center area?

Could trusses be manufactured to accomplish that? Most hip roofs I've seen have horizontal rafters running wall-to-wall (on the top plates) across the width of the building.
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Old 06-25-2010, 10:37 PM   #2
trbomax
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Default Re: Hip roof w/vaulted ceiling

Sissor (sp?) trusses
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Old 06-25-2010, 10:45 PM   #3
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Default Re: Hip roof w/vaulted ceiling

yes, like trbomax said, scissor trusses. but you could also put a raised ceiling, or just put joist(windbeams) at 10' height
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Old 06-25-2010, 10:47 PM   #4
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Default Re: Hip roof w/vaulted ceiling

Sure is. Scissor trusses are probably the most popular way but it depends how much of the area of your building you want to have the 10' ceiling and how fast you want it to get down to 8' at the walls.

Or look at some of the old hiproof barns or wood quonsets.
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Old 06-25-2010, 10:57 PM   #5
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Default Re: Hip roof w/vaulted ceiling

Or, look into vaulted parallel chord trusses.
http://www.trulinetruss.com/html/body_roof_truss.html
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Old 06-26-2010, 12:39 AM   #6
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Default Re: Hip roof w/vaulted ceiling

Thanks for the replies. The building is only going to be 16x24 (that's as big as I can fit on my property) and I'd like to be able to add a lift (MaxJax most likely) after it's built.

Any downside to having the joists at 10' vs. sitting on the top plate?

I'll check out scissor trusses too. Thanks again!
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Old 06-26-2010, 01:21 PM   #7
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Default Re: Hip roof w/vaulted ceiling

sam, the ceiling joist, besides giving you some place to attach your ceiling to, suport your 2 outside walls from bowing out from the weight of your rafters, roof. as long as its done right, theres no reason why you cant move the ceiling joist up to 10'.
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Old 06-26-2010, 02:27 PM   #8
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Default Re: Hip roof w/vaulted ceiling

To help clear up a misconception... a traditional barn is not a hip roof. It is a gambrell roof.

A hip roof has no gable end, it has eaves all the way around the building.


...just sayin'
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Old 06-26-2010, 04:22 PM   #9
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Default Re: Hip roof w/vaulted ceiling

Here's mine - it's a single bay, 16x25. It has a hip roof and the ceiling is vaulted. This is a composite of seveal pics, so you have to overlook the distortion, but hopefully you'll get an idea of the inside.
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Old 06-26-2010, 04:57 PM   #10
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Default Re: Hip roof w/vaulted ceiling

Quote:
Originally Posted by jgoglick View Post
Here's mine - it's a single bay, 16x25. It has a hip roof and the ceiling is vaulted. This is a composite of seveal pics, so you have to overlook the distortion, but hopefully you'll get an idea of the inside.
That's exactly what I want mine to look like, thanks! The size is almost the same as my plan too....I'm planning 16x24. What is the pitch of your roof?

I'm guessing your roof was all stick built? What about the sill plates? They look much beefier stacked 2x4's. Engineered beams?
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File Type: jpg Front Elevation.JPG (120.3 KB, 45 views)
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Old 06-26-2010, 04:57 PM   #11
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Default Re: Hip roof w/vaulted ceiling

Quote:
Originally Posted by skeletonizer View Post
A hip roof has no gable end, it has eaves all the way around the building.
That's my plan.
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Old 06-26-2010, 06:51 PM   #12
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Default Re: Hip roof w/vaulted ceiling

Quote:
Originally Posted by sammm View Post
That's exactly what I want mine to look like, thanks! The size is almost the same as my plan too....I'm planning 16x24. What is the pitch of your roof?

I'm guessing your roof was all stick built? What about the sill plates? They look much beefier stacked 2x4's. Engineered beams?
Yup, it's stick built and is attached to the house. Sill plates are stacked 2x4's in that garage.
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Old 07-01-2010, 02:24 PM   #13
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Default Re: Hip roof w/vaulted ceiling

Bringing this one back for one more question. According to the triangle calculator I found, the finished ridge height (outside) of my building should be 14'. If it's 16' wide with a 1' overhang and an 8/12 (33.69 degree) pitch.

8' walls plus the 'a' length = 14

I supplied the 'A' angle of 33.69, and the 'b' length of 9 (1/2 width of building + 1' overhang)

Make sense?
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Old 07-01-2010, 03:34 PM   #14
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Default Re: Hip roof w/vaulted ceiling

Quote:
Originally Posted by sammm View Post
Bringing this one back for one more question. According to the triangle calculator I found, the finished ridge height (outside) of my building should be 14'. If it's 16' wide with a 1' overhang and an 8/12 (33.69 degree) pitch.

8' walls plus the 'a' length = 14

I supplied the 'A' angle of 33.69, and the 'b' length of 9 (1/2 width of building + 1' overhang)

Make sense?
yes it does, (inverse tan)(8/12) = 33.69 degrees

BTW, your roof rafter will need to be 10.81 ft

9 / cos(33.69) = 10.81
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