This ensures that. Joists are structural elements that make up the entire framework of the deck. The wide majority of decks and deck frames built in the United States feature pressure-treated lumber as the deck framing material. Products are in-stock & ready when you order. For the best experience on our site, be sure to turn on Javascript in your browser. Deck joists are typically spaced either every 12 inches or 16 inches on center. Learn more about the basics of deck framing and more info on how to frame a deck in the Deck Framing Guide and learn the specific deck part names in the Glossary of Deck Terms and Lingo. Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful post cap guides and videos below! Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful baluster guides and videos below! Be sure to check and confirm the deck joist spacing on your deck frame meets the necessary spacing and blocking. Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful guides and videos below! Joists are attached to the installed ledger board using a joist hanger, or hanger bracket, and run the entire distance of the deck out from the house. Wondering where to start? Browse more deck design and railing style notes to upgrade your backyard space and deck in the DecksDirect Railing Style Guide. Deck joists have a different maximum span length depending upon the size, spacing, and framing material that you're creating your deck with. Building a deck, whether with natural wood or metal deck framing systems, can enhance the look and feel of your home’s entire space; get started today! Also, check out the DecksDirect How to Frame a Deck guide to learn everything you'll need to know to build a beautiful and strong outdoor deck space. (on center) for standard straight composite decking installation. 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 joists have a different maximum span length depending upon the size, spacing, and framing material that you're creating your deck with. Obviously, the larger the beam, the greater the distance it can span between posts. Wondering where to start? Lumber Species Southern Pine Douglas Fir Douglas Fir-Larch Hemlock-Fir Spruce-Pine-Fir Redwood Western Cedar Ponderosa Pine Red Pine The maximum joist spacing you can use will depend on the size and allowable span of your joists. Refer to the Deck Beam Span Table below to assist in determining the maximum span of a given beam between posts. The more you know, the better your deck and backyard projects will be! Here's a helpful chart covering the most popular wood framing species and their maximum allowed spans: Deck joist spacing for composite decking remains largely the same as if working with treated lumber. Use this calculator to find out the beam span and deck footing size for your project. The quickest way to learn if your home is more suited for a classic aluminum deck railing or a strong, composite railing line. Most composite and PVC decking manufacturers will list clearly the deck joist requirements within their installation instructions. Whether you're looking at a brand new start or a summertime deck renovation; give our deck designers a call at 1-888-824-5316 or send us an email at hello@decksdirect.com. When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. JavaScript seems to be disabled in your browser. A Redwood 4x6 beam should span no more than 6' between supporting posts. EBTY Hidden Deck Fastener by Simpson Strong-Tie, 4x4 Aluminum Post Sleeves & Aluminum Post Covers, How to Measure Your Deck for Railing Video, Trex RainEscape vs Zip-Up UnderDeck Video, How to Install the SCREENEZE system Video, Different Styles of Durables Vinyl Railing. According to our beam span chart resource, the span of a beam is dependent on a few variables: the species of lumber, size of lumber, and the load it carries. This helps DIY decking installation go much more smoothly! Here's a helpful chart covering the most popular wood framing species and their maximum allowed spans: Composite Deck Joist Space. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. A double 2x12 beam can span 12 feet; a (2) 2x10 can span 10 feet and so on. Wondering where to start? Span entries are listed for 2×6 through 2×12 joists and 12 in., 16 in., and 24 in. Wondering where to start? Wondering where to start? Composite decking brands also generally require 12 inches O.C.joist spacing for 45-degree or angled composite deck board applications. Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful deck screw guides and videos below! Beam Span Calculator For help, simply click on the beside the section you need help with, watch this Tutorial Video. Home > Building A Deck > Deck Beam Wondering where to start? on-center spacing. Read more below about the details of deck framing including deck joists, beams, and blocking. Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful deck lighting guides and videos below! Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful deck railing guides and videos below! Dimensional Lumber Deck Beam Span Chart The numbers in gray indicate the distance between the support posts. For the best experience on our site, be sure to turn on Javascript in your browser. Planning and designing a DIY deck frame for your home's outdoor space is surefire way to gain more confidence in your DIY carpentry skills as well crate a deck or porch you're proud to own. Wondering where to start? Our deck experts will help you get the information, products, and tools you need for a gorgeous deck that you created and designed! Actual experts on the phones, chat & email. Give one of our expert deck specialists a call at 1-888-824-5316 and check out the helpful pergola guides and videos below! The deck joist material that you choose to work with will depend greatly on your region's weather and lumber availability.