Deck Joist To Beam Connection

Sistering joists is commonly used when adding onto an existing deck or repairing a deck.

Deck joist to beam connection.

In these cases the overlapped joists help tie the framing together by combining the rigid members over a beam. When this system of connections is made properly loads are transferred. Deck framing page 16 beam to post page 12 post to concrete page 11 joist to beam page 14 a system of key connections throughout the deck framing also known as a continuous load path is essential to building a safe code compliant deck. Although this joint may not get the respect it deserves it is a critical load path connection that needs to keep the post and beam aligned while properly transferring deck loads to the footing.

Our deck code guide can be a helpful reference to an engineer who is just getting acquainted with decks. Joist hangers are the most common piece of hardware on a deck and have a pretty straightforward job but you might be surprised how many carpenters get the installation wrong. The longer the overlap distance the stronger the connection. You should overhang at least a couple of feet on each side of the beam.

In our photo the 6x6 post was notched to leave a thick component that could be through bolted or lag bolted to the girder. In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. This article series discuss best porch deck construction practices including choice of framing materials decking or flooring choices installation how to select and use deck and porch structural and flooring fasteners actual deck porch framing construction details connections deck joist beam span tables how to build leak proof. Notching a 6x6 post to support connect to a deck beam.

The most under appreciated connection on a deck frame is probably the one between a post and the beam it supports. Read the related article critical deck connections or watch the rest of the video series below. Also in this episode we talk about the benefits of installing hurricane ties between the joists and beam. A double 2x beam can rest on a notched 6x6 post as shown.

Additionally it goes detail by detail ledger connection joist to beam connection beam to post connection etc through a typical deck and identifies the relevant building code requirements 2012 and 2015 irc ibc and connection options. I joists installation and handling attaching railing post to a 4x8 beam and flush 2x8 joist deck unit attaching pergola posts to deck beams joists building stronger post to beam.