Cantilevered Balcony Floor Joists
You must use at least five framing nails to attach the rim joist to the ends of your joists.
Cantilevered balcony floor joists. 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. The problem with this is that when a deck is left in disrepair rot can start forming on the cantilevered joists. Floor cantilever spans shall not exceed the nominal depth of the wood floor joist. Many building departments limit joist cantilevers to 24 maximum.
Using cantilevered joists use to be a very popular style of deck construction. The joists cantilever out beyond the wall to support the balcony. Floor cantilevers supporting an exterior balcony are permitted to be constructed in accordance with table r502 3 3 2. By carol anderson toronto canada we bought a house with a second story balcony.
This can be a very costly repair project there are many different options arbutus sundecks uses. Closing in cantilevered joist spaces with solid blocking or panels above the supporting walls creates a cold cantilevered floor space. Insulating the cantilever is not enough to ensure a comfortable floor air needs to move freely between the non cantilevered joist spaces and the cantilevered joist spaces in order to maintain a comfortable floor above the cantilever. Over time the joists of the deck have started to rot a bit.
The deck plans i recently submitted for a building permit were rejected by the building department s plan reviewer with a note explaining that according to the building code a deck ledger can t be attached to the rim joist of a house with a cantilevered floor. The best suited one.