Sep 7 2017 explore chris dague s board post beam roof on pinterest.
Post and beam deck roof.
See more ideas about post and beam backyard patio.
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Obviously the larger the beam the greater the distance it can span between posts.
An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.
The main structural members of patio and deck overheads are posts or columns and beams which run from post to post or from post to ledger.
The most under appreciated connection on a deck frame is probably the one between a post and the beam it supports.
A deck support post has two tasks.
Refer to the deck beam span table below to assist in determining the maximum span of a given beam between posts.
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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.
1 realistically these primary support columns need to be 4x6s.
The smallest beams for patio covers are typically 4 by 6.
To support the vertical load of the deck often 1 500 lbs or even 2 000 lbs when the deck is full of people or snow and to secure the deck frame against horizontal forces wind load and potentially 750 lateral load of people moving around.
Code for nailing they will still check may warp and will shrink at the splices which allows moisture to get trapped with dirt promoting the compromise of the beams over time.
An expert guide on the best posts and beams for your patio roof projects this article covers post column and beam types as well as the best materials for patio posts.