Deck Joist To Beam Connection Detail

The specific detail i use depends on the size of the post the position of the beam and whether the installation is for a new deck or a retrofit.

Deck joist to beam connection detail.

Codes typically call for attaching joists with joist hangers at the ledger. Beam rotation isn t a problem with every post to beam connection though so i plan accordingly. Mechanical connectors or hurricane clips shall have a minimum capacity of 100 pounds in both uplift and lateral directions. That means these joists can span the 12 foot depth of the deck and the beam can be located at the perimeter.

Post beam connector hardware are especially useful in situations where notching a post is not practical such as at the intersection of an angled corner of the deck. Stafford county typical deck detail 9 1 2019 page 9 joist to beam connection each joist shall be attached to the beam in accordance with figure 12. I prefer to double the outside joists as do some deck builders which adds 2 joists for a total of 11. In our photo the 6x6 post was notched to leave a thick component that could be through bolted or lag bolted to the girder.

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. A double 2x beam can rest on a notched 6x6 post as shown. For that i want a wood bridge between the beam and the post. 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.

For the strongest connection of joists to the support beam the joists should sit on top of the beam. Notching a 6x6 post to support connect to a deck beam. Joists shall not frame in from opposite sides of the same beam. The deck connection and fastening guide provides instructions on how to recognize defects and deficiencies in existing decks and guidance for building strong safe long lasting deck structures.

Installation shall be per manufacturer s instructions. Additionally it goes detail by detail ledger connection joist to beam connection beam to post connection etc through a typical deck and. Joists may bear on the beam and extend past the beam face up to the lesser of l o or l 4 as shown in figures 1a and 2 or the joists may attach to the side of the beam with joist hangers as shown in figure 1b. But even in that situation some inspectors will want to see joist hangers.

Nine joists will be needed for the 16 foot width. See joist to beam connection details figure 6.