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I'm in the planning stages for a deck and at this point, I'm just trying to learn as much as possible, consider different options, etc. When built, it'll just be a deck, but at some point, I'd like to make it into a sunroom, so I want the structure to be able to support that in the future.
One thing I don't understand is beam length and post spacing. Ideally, I'd like to have 16' long beams, supported only at the ends. From what I've read, it looks like this is possible, but would require some fearsome beams. The thing I don't get is that there doesn't seem to be any allowance for adding more beams. So, my question is, if I add more beams, would it be possible to make each beam a little less fearsome?
Hopefully, the attached picture gives some idea as to what I'm thinking about. The red part represents the house, which is on 2 sides of the proposed deck. The beams are gray and the posts are black, with the joists in blue.
Thanks.
One thing I don't understand is beam length and post spacing. Ideally, I'd like to have 16' long beams, supported only at the ends. From what I've read, it looks like this is possible, but would require some fearsome beams. The thing I don't get is that there doesn't seem to be any allowance for adding more beams. So, my question is, if I add more beams, would it be possible to make each beam a little less fearsome?
Hopefully, the attached picture gives some idea as to what I'm thinking about. The red part represents the house, which is on 2 sides of the proposed deck. The beams are gray and the posts are black, with the joists in blue.
Thanks.
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