Deck beam span calculator

Specify beam geometry and loads to get started analysing the beam. The beam calculator automatically uses ClearCalcs' powerful finite element analysis engine to determine moment, shear, and deflection as you work. Start your free ClearCalcs trial to unlock saving and export, deck beam span calculator, as well as even more calculators for wood, deck beam span calculator, and concrete beams, columns, and footings. Experience the full power of ClearCalcs with a 14 day free trial and start being more productive.

Deck beams and joists go hand-in-hand as the framing materials for your deck. While joists provide a horizontal support system for deck boards, beams provide support for the joists. Your beams will need to bear the load of not only your decking materials, but additional components of the frame itself. Use this calculator to find out the beam span and deck footing size for your project. Be sure to have your joist span calculations ready to enter for an accurate reading and check out our concrete calculator to determine the size of your footings. Three tiers of premium composite and aluminum deck and porch railing provide low-maintenance options for all tastes and budgets.

Deck beam span calculator

Building a deck? Then you need to know how to compute the spans for it to be structurally sound. These tips and this information will help. Building a deck can create an outdoor oasis for entertaining , but the project must be safe and structurally sound, with proper decking beam spacing, so you can enjoy your deck for years to come. Five basic components make up any deck: decking, joists also known as a ledger when attached to a house , beams, posts, and footings. To ensure that a deck is safe and strong, local building departments have strict code requirements for these components. Before building a deck, take the time to look up your local codes. The following guide will walk you through basic deck requirements and best practices for calculating deck joist and beam spans. The strength of a board depends on two factors: its species and its quality. Among lumber commonly available in a pressure-treated form for deck framing, Douglas fir and Southern yellow pine are strongest, but Southern pine has more of a tendency to warp.

You'll do a lot less cutting if you build a 12xfoot deck rather than one that's 11 feet 7 inches x 15 feet 10 inches. Beams and Footings Calculator. Concrete Calculator.

Each joist is one of a series of long, horizontal structures that support the decking itself. While posts are vertical, joists lay horizontally on top of each beam to provide a sturdy, level surface to lay your decking materials across. Joists can be made from wood or steel. Use the joist span and spacing calculator below to plug in your desired type of wood, the size of your joists, and the required spacing between each joist. Do it with the brand that invented composite decking, backed by , and year limited warranties.

Deck beams and joists go hand-in-hand as the framing materials for your deck. While joists provide a horizontal support system for deck boards, beams provide support for the joists. Your beams will need to bear the load of not only your decking materials, but additional components of the frame itself. Use this calculator to find out the beam span and deck footing size for your project. Be sure to have your joist span calculations ready to enter for an accurate reading and check out our concrete calculator to determine the size of your footings. Three tiers of premium composite and aluminum deck and porch railing provide low-maintenance options for all tastes and budgets. 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. Some of the most common types of wood used for beams include:.

Deck beam span calculator

A beam is a solid structural member that is supported by posts and footings that accepts and transfers the load from joists. Once you know the distance between support posts and the length of the joists that will be supported you can determine the required size by checking our beam-sizing chart. The size of a beam is a function of the amount of weight it must support and the distance it must span. A common beam is composed of the same size and type of lumber used for the joists by nailing 2 or 3 together side by side. Even if you are allowed to use a smaller beam, you should maintain the same depth of material as the joists to present a uniform appearance. The relationship between directly applied and fastened boards is what bonds the strength of a multiply beam. Occasionally a beam application may require spanning a long distance that exceeds the design limits for conventional beams. In these cases you may have to use an engineered beam to meet the required load capacities. Engineered beams are fairly expensive, so you might want to add another post to reduce the span if possible. Your local building supplier should be capable to use your plans to determine which size and type of beam will work.

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For example, these can represent reactions from other members connecting to the beam. Tell us why! Beam: 4x10— Joists span up to 10': Beam span: 8'. Positive values imply a downward deflection and negative values imply an upward deflection. You may accept or manage your choices by clicking below, including your right to object where legitimate interest is used, or at any time in the privacy policy page. It also depends on the joist spacing. Among lumber commonly available in a pressure-treated form for deck framing, Douglas fir and Southern yellow pine are strongest, but Southern pine has more of a tendency to warp. These diagrams provide valuable insights into how the shear force and bending moment vary along the length of the beam. Lumber quality also has a bearing on a board's strength. Shop Trex Railing. Rafters are inclined beams that support the roof and transfer its load to the supporting walls or beams. If you run decking at an angle, you might need to put the joists closer together. The ClearCalcs Free Beam Calculator can be utilised to assess continuous beams moment demand, shear demand and deflection by inputting as many fixed, pinned and roller supports as required.

Each joist is one of a series of long, horizontal structures that support the decking itself. While posts are vertical, joists lay horizontally on top of each beam to provide a sturdy, level surface to lay your decking materials across. Joists can be made from wood or steel.

The beam calculator also allows cantilever spans at each end, as the position of the first support does not have to be equal to 0mm and the last support position does not have to be equal to the length of the beam. It quantifies the resistance of the beam to bending under an applied load. The ClearCalcs Free Beam Calculator does not specify the weight of beams, however wood , steel , cold-formed steel and concrete beam calculators do calculate the self-weight of the beam and take it into account in the load analysis. Beam size refers to the cross-sectional dimensions of a beam. They make for a stronger, straighter, safer, and smarter alternative to wood substructures and may be more economical in the long-run. ClearCalcs even has built in standard section sizes to ensure your beam design can be procured easily from a local manufacturer. Caitlin Sole is the senior home editor at BHG. Therefore, the start and end magnitudes specified by the user must be the same. The following guide will walk you through basic deck requirements and best practices for calculating deck joist and beam spans. The example below shows the outputs for a two-span continuous beam with a linear distributed patch load and point load. By inputting the appropriate loads and beam properties, the calculator determines the bending moment at various points along the beam's span. Stairs Calculator.