DEAR RICK: The most efficient post spacing is going to depend upon the wind and snow load conditions at any particular given pole building site. Measure an equal distance in from each end of the deck, allowing for an overhang (if desired), and snap a chalk line as a … (Table 1:4) Deck Terminology Existing Foundation Deck Posts Maximum Height 4 X 4 or 4 X 6 Post - 8’ High- measured to the underside of the beam 6 X 6 Post - 14’ High- measured to the underside of the beam Deck Post to Deck … Composite deck boards and 5/4” boards laid on an angle to the joists require joists at 12”o.c. Maximum 36 "oc solid stringer spacing for 2" thick treads; Maximum 18 "oc notched stringer spacing for 2" or 5/4 "thick treads; Maximum nosing of 0.75 "to 1.25" - maximum … joist spacing. The 2015 International Residential Code Section R507 contains additional information and details specific to deck construction. Deck Support Column Design . DECK POST HEIGHT (see footnote a)- Table R507.8 DECK POST … Read more below about the details of deck framing including deck … Your local building department might require closer post spacing for added rail strength. Deck post size is important. Figure 2 - Deck … The post can twist and completely pull the rim joist off of the deck floor joists. That means that once you have the footings in place you need to install posts - which will support the beams - that … Deck boards that diagonally cross joists at angles such as 30°, 45°, or 60° span a greater distance, and so the deck joist spacing must be adjusted. Deck … Deck Board Spacing. Footing forms shall be cardboard tubes. Where it intersects with the deck joist span provides you with the maximum spacing between your posts. ... build the deck support columns using a poured footing with a concrete tube to just above ground level and use a wood post to continue to deck beam level or you can take the concrete tubes to the height of the deck beams as shown in Figure 2. Special clamp and bolt products (tension ties) are sold to provider a safe and secure post … Learning the correct deck joist spacing, beam span, and measurements for your materials is one of the key ways to get to know your deck from the inside out. DECK BUILDING CODE TIPS. or less spacing, and 2” planks are limited to 12”o.c. Type of footing forms Size and spacing of joists Size of deck Size and spacing of posts Type of floor boards Distance to property lines Type of lumber Height of deck off ground Plans shall be 8 ½ x 11, or 11x17 Footings: Shall be at least 42 inches deep by 8 inch diameter. As a general rule, the best “bang for your … Residential Code for single-story decks. or 16”o.c. So build your deck the right way, from the ground and posts up. That's because the withdrawal force of the nails is not very great. The slight changes in deck board spacing won’t be noticeable in the finished deck.