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Reply With QuoteWelcome Odbad.
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Hip sagging from pergola I have noticed over the last few weeks with the wild weather in Melbourne the hip of my roof is sagging where the pergola was attached. There is a crack in two tile on the hip. There would be a ten to fifteen mm sag over 2.4 meteres where the trusses extend over the eaves. It has rafter brackets throughout it’s just the last 2.4 near the hip, I’m wondering if i can acroprop it up and put some jack studs up off the lintel , put a new post bearing under near the hip? Any suggestions taken. I have attached photos.
Welcome Odbad.
Can you please upload the photos to this site? You will need to use a browser on a computer and the image size needs to be under one MB, or use the Taptalk app if using a mobile device..
Hip sagging from pergola
Sk
Thanks.
I think you may need to kick some roof tiles up and take a look the rafters. I suspect there's too much load on the cantilever.
Are you sure it has rafter brackets?
I don’t see any sign of them from the in roof picture.
The ledger attached over the metal facia appears to only have a few batten screws which may simply be into the rafter tails on the roof trusses. For rafter brackets I would have expected bolts for attachment.
Hip sagging from pergola I think you r right, it seems to be weighing the hip down, the hip trusses aren’t connected to the wave that is sitting on that post and only in the wall that’s about 2 metres away, i think i might need to pop some wave sheets, jack it up a little cantilever the rafters and add a post what do you thinkOriginally Posted by Uncle Bob
k
Hip sagging from pergola The brackets are only 600mm long and not seen that pic, plus they aren’t on the last coupl of rafters on the hip because the rafters aren’t long enough, what would you do?
k
Hard to tell without knowing what support that corner post is providing and how the end of the roof structure is framed out.
A post under the end of the pergola would provide additional support for the pergola independent of the roof structure.
Hip sagging from pergola I was thinking of doing this Aswell along with some jack studs from the rafter onto the lvl and possible finding some bigger rafter brackets
al
I was thinking of doing this Aswell along with some jack studs from the rafter onto the lvl and possible finding some bigger rafter brackets
al
What you have is a trussed roof, the trusses are engineered components. If you are suggesting to brace from the top chord to the bottom chord on the truss I dont see how that will help, if your intent is to brace the top chord to the beam below the truss then that is changing the support location and really should require re-engineering of the truss.
I suspect the construction in the corner will use what is shown in this example as creeper trusses and creeper rafters
https://www.dlsweb.rmit.edu.au/Toolb...l/page_004.htm
Particularly with the long overhang from the corner supporting beam the pergola will be adding significant extra load to the members at the corner.
A post under the pergola will remove the load that I suspect the truss roof was never engineered for.
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