Vaulted Ceiling

rakuz66

If you wanted to build a vaulted ceiling but could not use a ridge beam, could it be done? If you were to use (rafter ties/ceiling joists) spaced every 4 ft at top plate tieing walls together?

neolitic

Depending on pitch, snow load, and
a dozen or so other things....yes.

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AtlanticWBConst

Are you a carpenter, or a Home Owner?

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rakuz66

I tried to post a pic, but it said I needed to post 15 or more messages. Anyway, the live load is 60, pitch is 5/12, length from plate to ridge is 13 ft, length of room is 15 ft, 2x8 rafters (24 ctr). Opposite side of house is regular ceiling, so vaulted area is only half of gable( or 13 ft). Basically 15 x13. I used 2x10 ceiling joists on both sides of a rafter in the 15 ft length. So I have 7 rafters in this 15 ft. I placed a 2x10( ceiling joist) on both sides of a rafter every 4 ft spanning the 13 ft and all tied in nice and secure to beam and opposite c.joist. I also have collar ties in upper 1/3.

X= C.J.
O=Rafter

---------------Opposite outside wall---------------


-----------------Beam at 13 ft from wall-------------


Gable XOX O XOX O XOX O XOX Gable
FT 2 4 6 8 10 12 14 15

neolitic

If I followed you, it sounds like that
should work.

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rakuz66

Yeah, I wish I coud post this pic.

rakuz66

here you go neo

neolitic

Looks good to me.
I think I'd sandwich some blocking
between the ties, to keep them
operating as a unit.
On 4 season rooms and screen
porches I've run diagonals between
ties and back up to the rafters just
for the truss "look".

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rakuz66

I plan on putting in blocking and boxing them in w/ pine to look like a beam. What do you mean by running diagnols to make it look like a truss?? I don't follow??

dlcj

looks like you did a good job but all those beams to me would distract the look of a vaulted ceiling. Neo means put in braces from the ceiling beam up to the rafter on a diagonal to look like a giant truss. It would add strength but i dont think it needs it. I like the idea but on 8' centers. Also i have done a few 12/12 vaulted ceilings with no ridge beam and no ceiling beams or trusses

Joe Carola

Why did you do all this first and then come here and ask if it's alright? Why would you not ask how to do something the right way first BEFORE you do it?

What happens if you find out that what you did once it gets inspected it wont work, what will you do then?

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rakuz66

Joe, I admit I jumped the gun, but it's too late for looking back. What do you think??

stp57

Hey rakuz66,
I noticed that you green rocked the whole room. Just curious, what are you using it for? BTW, nice work!
Steve

rakuz66

Thanks. I had all that green rock on hand, so I just used it.

oldfrt

Alright,

How did you get full length ceiling joists up next to those rafters?
Were they slid in while the plywood was off?

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rakuz66

Those c.j are 16 ft. They overlap opposite c.j. on top of partition wall( which is not in pic). I slid them in through the windows.