If you build a square hip roof you can do it without ceiling joists.
Hip roof without ceiling joists design.
Someone with more knowledge please correct me if i m wrong.
This is a short description of three methods for installing ceiling joists beneath a hip roof where rafters near the wall line don t provide much room to work.
Shouldn t hurt to raise them.
Vaulting a ceiling with hip roof.
Just a guess but since this is a garage i would suspect that these ceiling joists were held low like that to give room for storage above them.
But 20 is a heck of a long way to span with only 2x8 s if you are going to store anything up there.
The thrust to worry about is at the tails of the common rafters.
In this design the tops of the rafters attach to a load bearing ridge beam that runs along the length of the roof.
The sheathing top plates hold the corners together.
Building an open ceiling hip roof without conventional crossbeams require alternative framing methods or construction materials.
Hip roof without ceiling joists.
I wanted to put together a simple example of a three dimensional illustration showing how a hip.
If you learn about the options for framing cathedral ceilings in hip roof structures you can choose a design that suits your budget and skill level.
The angles are basic and even the ceiling framing is a snap because it generally runs parallel to the rafters.
Click on this link for more information about roof framing building design and home remodeling.
Whats people lookup in this blog.
If you want a simple roof go for a gable.