on an outside deck. In fact, the #2 lumber will allow you to span farther between beams. joist SPANS, H.F. #2 OR BETTER LUMBER. joist SIZE. on-CENTER SPACING. MAXIMUM joist SPAN. 2X6. 16” o.c.. 7 feet 0 inches. 2X6. 24” o.c..
joists are the repeated structural members that are used to build a deck frame. The minimum size joist to be used in deck construction is not a stand-alone consideration and is related to the number of footings and beams that will be installed.
6. Ledger shall be a minimum of 2x8 nominal. Where guards are required, outside joists and rim joists shall be a minimum of 2x8 nominal. 7. joist length prescriptively limited to 18'-0" for footing design. Figure 1A. joist Span – joists Attached
A deck is essentially an outdoor floor supported by a frame, posts, and footings secured in the ground; assembled in joists: Horizontal framing members (usually 2x stock) fastened on top of the beam or flush with the ledger to support the