INSTALLATION GLOSSARY OF TERMS Carriage Bolt A bolt with a rounded head and a square shoulder under the head to prevent turning during installation. Connector Clip Hidden fastener used between deck boards to secure positioning. Joist A horizontal structural pressure-treated board that runs from wall-to-wall,
So read on and learn a little bit about what affects the strength of your decking - like material and joist spacing. Your selection of decking material will determine the maximum spacing of your joists. Some species of wood are stronger than others so refer to the Decking Span Table below before going to the Deck Joist Span Table.
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.
Deck joist ing composite deck joist span table tired of the artificial look many alternative wood decks on market for centuries has been favored decki deck joist ing the composite decking requirements trex specifications transcend requirement recommended fasteners for deck porch flooring table 4 7 maximum beam spans in feet for exterior decks c. Span […]
Deck beam span table Deck joist span table Deck joist rule of thumb Deck & Porch Construction & Structural Fasteners Deck & Porch Post & Beam Connectors: steel post cap connectors, plywood post to beam cleats, other connectors Deck & Porch Railings, Code Requirements, Safety Deck framing tables, codes, specifications Questions & answers about allowable spans for deck, floor, or porch framing.
If you're planning to replace old wood decking with PVC or composite, measure the deck joist spacing first. Most deck joists are centered 16 in. apart, which is the maximum deck joist spacing for most low-maintenance decking. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 in. apart.