Vaulted ceiling structural support

isthis1used

Hi everyone.

just about to begin a self build headache. Drawings have come back from architect with a portal frame design for an open plan living area that will require having four visible posts within the room and I’m wondering if there is an alternative way/system that could be more visually appealing? Already asked architect if there is but he just shrugged his shoulders.

Gumbo

Yes there is. I designed mine and my parents so that the structure was hidden and kept the vaulted ceiling.

Your engineer needs to design this, not your architect.

roosterman71

Any pictures to see what the architect did?

A truss roof would probably suffice

Mellor

https://www.boards.ie/discussion/comment/119748911#Comment_119748911

How would a truss roof be vaulted?

chooseusername

https://www.boards.ie/discussion/comment/119750246#Comment_119750246

Exposed trusses?

mike_2009

My builder is recommending a downstand purlin to support my roof as it's very long. We haven't engaged the structural engineer yet to get details of the steel work but this is one of the areas it will be required and how the roof span will be designed. I'd assume glulam beams / SIPs and other methods could be integrated once signed off by the Engineer to avoid columns in that space. Unless it's very large!

Mellor

https://www.boards.ie/discussion/2058264120/vaulted-ceiling-structural-support

Can’t really say for sure. But most likely supports could be concealed in the walls. Can you post a plan maybe?

Mellor

https://www.boards.ie/discussion/comment/119751486#Comment_119751486

That would an exposed roof not a vaulted roof.

Unless say it was 2 or 3 large trussed at extended centres. You might consider the sections between that as being vaulted.

roosterman71

Sample of a vaulted roof. Made in timber and no need for the cross members. They do the job perfectly, but bring a couple of design issues that need to be sorted by architect/engineer.

First is the spacing between the trusses. There's a max distance allowed. Closer they are then the smaller the truss can be. Which is important as the bottom width here is 800mm. Normal cavity walls are 350mm so there's a design issue on how to integrate these. Closer the trusses are the narrower the 800mm can be but I think the min. is 600mm. Best talk to a truss company. Picture above is from ballyglasstruss.ie

Gumbo

Is it something like this you’re trying to achieve?

mfceiling

https://www.boards.ie/discussion/comment/119758357#Comment_119758357

@Gumbo is there any way of sending you a PM. Not letting me click on your user profile.