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Learn how to space your deck joists using these tables according to the latest building codes.
Calculate how far your deck joists can span when framing your deck. Find the correct deck joist spacing at Decks.com.
Deck joists have different maximum span lengths depending upon the size, spacing, and framing material that you're creating your deck with. Here's a helpful chart covering the most popular wood framing species and their maximum allowed spans:
For example, a span table might indicate that a 2×8 Southern Pine joist can span up to 12 feet when spaced 16 inches apart. Span tables help ensure that the deck is structurally sound. They guide the selection of joist spans, contributing to the safety and durability of the deck. Factors Affecting Joist Span Lengths. Several factors influence ...
Your joist span will depend on the size of the joists (i.e. 2X8 vs 2x10 vs 2X12). See the below span chart as well as the local codes and guidelines for your jurisdiction. The larger the span, the larger the joists.
Span charts for deck joists and beams in a variety of framing materials, including wood and steel.
Use this helpful deck joist span and spacing table to find out the right deck joist size, spacing, and span for your project.
Framing tables for decks: joist & beam spans & sizes. Recommended or allowable joist & beam spans: this article explains typical spans for deck joists, deck beams, and deck flooring, giving both standard span tables and a quick "rule of thumb" that works pretty well.
The proper deck joist span (distance between supporting beams below the joists) for your deck should be known before you start building and is needed to draft your deck plan. The spans of joists varies based upon several factors: joist size, spacing between joists, decking material and wood species.
Deck joist span tables commonly identify the maximum span for different wood types and joist spacing. There are Tables that also provide sizing for beams based on span, joist wood type, and grade, as well as beam size, support post spacing, and footing requirements.