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Decking Frame Plan Is Design Sufficient?

Postby FordacusMaximus » Mon Oct 21, 2013 4:18 pm

Hi All

I am looking to build some decking in my garden. The decking size is 5700mm x 3500mm.

I have planned a frame to build but thought I'd check on here if you think the frame design is sufficient. The decking will extend from parallel to a path out into the garden. The decking will be 90cm above the ground as shown in the photo attached to this.

I have put measurements on the diagram too so you can see the sizes etc.

Please let me know of you think it'll be strong enough and I'll get building.

Cross section
GetAttachment[1].jpg (5.26 KiB) Viewed 1575 times
Frame Design
GetAttachment[1].jpg (8.33 KiB) Viewed 1575 times
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Simply Build It

Postby keeflester » Mon Oct 21, 2013 6:39 pm

Are you using 2x8 or 2x6 framing timbers, I would recommend 2x8 (195x45), and 450mm centres, to stop the decking from flexing too much. Joist hangers will also make for a stronger structure and you won't need so many dwangs. One every metre or so would be sufficient. Hope this helps
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