Attaching Post To Deck Joist For Pergola

I ve seen various methods to attach railing posts to rim joists but it seems better to bolt to a joist and or put on top of the deck beams along with some blocking bolts.

Attaching post to deck joist for pergola.

It is very important to properly attach pergola posts when installing a pergola over a deck. Most deck builders bolt pergola support posts to the frame of the deck using 2 1 2 x 6 lag screws with washers per post. I also appreciate that you are not stuck on the johnny one note answer of don t try to attach the pergola to the floating deck. 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.

The most under appreciated connection on a deck frame is probably the one between a post and the beam it supports. Btw my ground is only ever so slightly un level and i m not using any posts in the blocks. Turning the corner with the pergola and adding at least one 4 foot bay also helps to stiffen things. Attach two of the 20 foot 1 by 6 boards to each of the 4 by 4 pergola posts for the side beams.

Place the first two boards on the left and right side of one of the 4 by 4 posts. Any pergola post can be anchored to a wood surface with 90 degree strap brackets. I m building a wood deck with a pergola. Brian laverdiere thank you very much for posting and answering my question.

There are a few additional considerations before screwing into the post and into the deck. These blocks are screwed in with a strap on the top and bottom figure 2. Anchoring pergola to floating deck by. If you don t attach the support posts to the deck framing the deck boards could pull.

Repeat this process for the other 4 by 4 post. The main concern is how the structure will react under high wind conditions. Properly attach your support posts to the deck. First be sure you are screwing into the deck s beams not the deck s boards.

This is a lot like finding studs in your walls when you re hanging something heavy. My plan is to utilize the deck structure beams and joists both 2 x 8 s to secure the pergola posts. 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.