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Thread: joining roofing battens
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10th February 2008, 06:53 AM #1Intermediate Member
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joining roofing battens
hi,
Have started putting up battens on 900 cts roof trusses. The roof is about 9.4m long and I have 3.2m lengths of 90x45 for the battens. How are the battens spliced/joined when the join is not over a truss? Im hoping that there is a way to join the battens when they dont meet over the truss as otherwise I will have a lot of wastage.
Also I cannot find any spec for the spacing of the battens? The roof is a simple gable and the sloping section is about 4m.
Thanks
greg
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10th February 2008 06:53 AM # ADSGoogle Adsense Advertisement
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11th February 2008, 12:50 AM #2
I'm in a cyclonic area so it may be different for non-cyclonic (but I doubt it) and all battens must be joined over a truss/rafter. Batten spacing is dependant on wind loads and roofing type.
Mick"If you need a machine today and don't buy it,
tomorrow you will have paid for it and not have it."
- Henry Ford 1938
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11th February 2008, 08:16 AM #3Senior Member
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Prepare for waste.. as mick said they have to be joined on a truss.. seems like 90x 45 is a bit overkill. 75x 38 is the usual size.
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11th February 2008, 08:39 AM #4
I joined mine over the rafter but to minimise waste I used the longest lengths I could get delivered. I used 70 X 35 at centres to match existing, about 900 plus or minus some.
The other thing is staggering the joins, I was told that inspectors frown on having more than 1 joined batten on the same rafter, made sense to me to stagger the joins.
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11th February 2008, 11:08 AM #5Senior Member
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11th February 2008, 09:37 PM #6
Hi
They're NOT All joins have to be over a truss.
Im hoping that there is a way to join the battens when they dont meet over the truss as otherwise I will have a lot of wastage.Kind Regards
Peter