Apr 24, 2018 10:46 pm
We recently raised our post war QLDer and laid a slab. We're now ready to proceed with the framing component.
The original timber bearers are now bolted to new steel beams and these range in depth from 125mm (which is the same depth as the original timber bearers) to 250mm. The timber joists being supported by these bearers are all the same height.
My question is twofold:
Firstly, when framing out underneath do the wall frames extend to the height of the structure above it thereby having better tie down properties, or do I just make the frame a uniform height? ie to clear all of the steel beams the ceiling would have to be 2850mm or less so make the top plates of all the walls 2850? As you can see in the basic elevations below, the footprint of the lower level is wider than the upper level. This means the ground level exterior walls don't line up with the first floor for the most part.
Secondly, what's the standard way of going about framing the ceiling for a uniform height in this situation? The best I've come up with is some kind of system involving hanging beams from the timber joists and attaching the ceiling battens to these.
Before anyone mentions it, we obviously could just gyprock straight to the existing joists and box the exposed beams but this wouldn't look great due to their locations.
Thanks for any tips.
Re: House Raise - Wall framing and ceiling Heights2
Apr 25, 2018 8:11 am
Thanks for the photos..at a glance
1. Check for wind loading Category N or C for hold downs
Who did your Engineering Framework Drawings?
Your Steel columns are well into your rooms.. usually the steel columns are built into the stud framework?
2.Hang ceilings from threaded rod ie Commercial Suspended Ceilings or Light frame truss and ceiling battens
Unfortunately your engineering drawings do not match your Architectural Drawings?
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Re: House Raise - Wall framing and ceiling Heights3
Apr 25, 2018 12:37 pm
Thanks for the reply mate.
No it's all good, the posts are where they should be despite looking a bit strangely placed in pics. The ones you can see running down the side of the house line up with the upstairs structure and will be housed in stud walls running perpendicular to that wall. You can see where the posts (illustrated as C1 and C2) sit in the below image.
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