Deck Joist To Beam Connection Detail

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.

Deck joist to beam connection detail.

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. Joists shall not frame in from opposite sides of the same beam. The best post beam connection involves notching a cavity into the tops of support posts to set the beams using carriage bolt fasteners see below. For the strongest connection of joists to the support beam the joists should sit on top of the beam.

See joist to beam connection details figure 6. Mechanical connectors or hurricane clips shall have a minimum capacity of 100 pounds in both uplift and lateral directions. Codes typically call for attaching joists with joist hangers at the ledger. Notching a 6x6 post to support connect to a deck beam.

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. They are sometimes not required at the header if they rest on a nearby drop beam and you drive nails through the face of the header into the joists. 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. In our photo the 6x6 post was notched to leave a thick component that could be through bolted or lag bolted to the girder.

When this system of connections is made properly loads are transferred. A double 2x beam can rest on a notched 6x6 post as shown. 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. 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.

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. Beam rotation isn t a problem with every post to beam connection though so i plan accordingly. For that i want a wood bridge between the beam and the post. Nine joists will be needed for the 16 foot width.

But even in that situation some inspectors will want to see joist hangers. Installation shall be per manufacturer s instructions.