A new continuous handrail, albeit an unsightly one, had to be added.Woody Roberts. The error: Dont use nails or screws to fasten railing posts to deck framing, use bolts. The error: When a long built-up beam spans multiple posts, many builders run one ply long and extend it beyond the support posts. Many builders believe this
Extend deck with out new posts. Whether the hot tub can be held is a function of the specific geometry of your deck, and cannot be answered without detailed information regarding the specific sizing and connections of structural elements on your deck, the proposed location of the tub, local code loading requirements, and knowledge of the
On the two outside corners of the deck my 4x4 posts that hold it up 9 feet off of the roof-deck below extend up about 16" above the new deck. After this deck is established solidly I'm going UP by extending the 4X4's another 9 feet to a second deck/roof above the first.
To extend a deck 17 from a house with traditional girder construction, youd need to upgrade all the joists and the ledger from 2x8s to 2x10s.² This brute force approach would add approximately $4 more per joist; for a deck 16ft wide including the 17 joists, ledger, rim joist, blocking, and joist hangers at the girder that amounts to an
If you can extend the cantilever by adding joists of the existing size then you will save a lot of time and effort. But you may find that the effort required to add another support beam closer to the new edge of the deck and then just removing the old post and beams isn't such a headache.
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