cantilevered and knee braced deck

What is a Cantilever and Why would Your Deck want one ...

The cantilevered version of this deck still wants 2×8 joists (2x6s would not suffice)², but it creates a stronger structure. The maximum span for SYP PT 2x8s 12” o/c is 14’ 2”², so a girder at 14’ 0” is close to the maximum. Conversely, a two foot cantilever puts the beam only 12’ out, well short of the limit. 【Get Price】

Deck Joist Cantilever Rules and Limits |

The distance your joists can safely cantilever or overhang a drop beam is determined by the size of the joists, the wood type and grade of the lumber and the spacing between joists. Many building departments limit joist cantilevers to 24" maximum. You must use at least five framing nails to attach the rim joist to the ends of your joists. 【Get Price】


The bracing provided by the building will satisfy the bracing requirements for the deck. Decks that project more than 2.0 m from the building must have subfloor bracing (anchor, braced or cantilevered piles) at half the bracing demand required by Table 5.8 for light/light/light cladding, 0° roof slope and subfloor structure (paragraph 【Get Price】

Cantilever Deck Addition

Cantilever For Existing Deck by: Editor - Rich Bergman How far one can cantilever a deck from an existing supporting beam is a common question. The question arises when people decide they want to extend the length of their deck. Certainly it is easier to just add longer joists rather than move an existing supporting beam and post structure. 【Get Price】

wood - Can I use knee bracing to cantilever a deck further ...

A general rule is to add two times the length of the cantilevered section to a joist. Check with your local building inspector on that. That means that if you extend 30" past the front of the deck, you would extend 60" back underneath the deck and against the existing joists. That would, of course, eliminate the knee brace. 【Get Price】

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