composite deck joist span chart

Most decks use 16" on center spacing for joists. Most decking is not strong enough to support longer spans than 16". Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans. Joist Spacing for Composite Decking. Before building a composite deck always read the installation ... 【Get Price】

Deck joists have a different maximum span length 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: Composite Deck Joist Space. Deck joist spacing for composite decking remains largely the same as if ... 【Get Price】

Beam Span Calculator For help simply click on the beside the section you need help with watch this Tutorial Video. Lumber Species Southern Pine Douglas Fir Douglas Fir-Larch Hemlock-Fir Spruce-Pine-Fir Redwood Western Cedar Ponderosa Pine Red Pine 【Get Price】

Deck Cantilevers. Section R507.5 notes that deck joists can cantilever up to 1/4 of the joist span. But you’ll notice when you look at the portion of the span table for joists with cantilevers that the joist span for decks with a cantilever is often less than the span for the same sized joist without cantilevers. 【Get Price】