Joist Size ?????

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21st October 2007, 01:56 PM
srohara

Joist Size ?????

Hi

I was wanting know what size joist i have to use to span 700-800mm. I was wanting to use treated pine. can i get away with using 90x45mm H3.

Cheers
21st October 2007, 02:09 PM
zathras

No Probs.

F7 TP is typically spec'd for up to 1200mm span as a joist
21st October 2007, 02:41 PM
UteMad

Hope this helps

Latest span table for F5 H3 treated pine used in single span for decking says
90 x 45 is good for 1100mm Single span
90 x 45 is good for 1300 continuos span ( over 3 or more supports)

cheers utemad

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