Hi Everyone,

I'm Lyall and this is my first post. Have been doing a bit of searching around the forums but thought I'd post for my particular request/feedback.

I have a small deck and want to extend it and do a single span of around 2.7m to 3.1m. The roof would be simple skillion lean to & at the moment the current deck is about 2.5m long.

The question is can I do a 'single span' of the deck itself? However, if I span the joists this far, how far can I span the rafters for the roof (will be using colourbond). There would be a span of around 5.5 meters for the rafters.

Is this possible?? Some hints of what joist sizes/rafter sizes I will need?

This deck is pretty basic as far as decks go but maybe making it more complicated by trying to get a maximum single span.

Pleas help!!


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