Hi,I'm a DIYer that's making plans to build a wood working shed in mybackyard. I do woodworking as a hobby but I've never done anyconstruction such as this. The workshop is going to be 16x24. I wantit to be very open and have enough room vertically for moving woodaround etc. I'm planning on building the roof using ridge boardconstruction. My question is can I build the roof in such a way thatI would not have to have ceiling joists? I would really like thevertical space without having really high side walls.The roof will have an 8/12 slope built with 2x6 24" o.c. and a 2x8ridge board. Using collar beams would be fine since they would stillgive me lots of vertical space. The side walls are most likely goingto be 9'.I appreciate your help!Thanks,Greg

You are talking about creating a structural ridge. Your 2x8 is not in the ball park. You are asking for something that can span either your 26 or 16 foot dimension without sagging itself, able to carry half the load of the roof, with enough lateral strength to keep the side walls from bowing out.Collar ties are not designed to prevent side wall thrust.You may do better to contact a local wood truss manufacturer and ask about cathedral ceiling trusses.

ok without ceiling joists?

Oct 26, 2007 40 Replies

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Wayne Whitney 18 years ago

You could bring the post down to a beam that would span the short direction, then you'd have just one really big ceiling joist. :-)

Cheers, Wayne

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