Do I need noggins ?

25 May 2020
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Car port project currently under construction attached to side of house, 8.5m long x 3.6m wide span. 7 degree roof pitch. Joists @ 600 ctrs. As I am going with 110 x 18 t&g boards with EPDM over I believe that noggins are not required. Thoughts ?
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I'd put them at 1/3 spans for this. They will need to be under the board joints in any case.
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Thanks for replies. This is the look I am after hence the T&G board. More work obviously but happy to do so.
Boards are 119 x 19 x 4.2m treated. Joints will be on joists.
Just thought that with each T&G board nailed twice to each joist at 600mm ctrs that noggins would not be needed.


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1 row of noggins down the middle done and dusted this afternoon. Makes some difference to the stability of the joists. Thanks for replies.

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