Fixing pergola post

Discussion in 'Builders' Talk' started by Benjamin Seare, Feb 28, 2021.

  1. Benjamin Seare

    Benjamin Seare New Member

    Hi all. First post, please bare with me. I have afew questions.

    I am going to build a pergola on my patio, it’s triangular in shape. Approx 4m centres for 3 post.

    My patio is 40mm concrete slabs on 150mm type 1 and a sand cement screed. I think I will have 150x150 post but I would preferably like to fix these with bolt-ons (post shoes) Is this advisable?

    Also, with the span from post to post being 4m, i don’t want it to sag so will 8-2 be sufficient for this, or is this overkill. And then I will be having 6-2 on top.

    Any questions and advise greatly appreciated.

    Many thanks, Ben.

    Attached Files:

  2. stevie22

    stevie22 Screwfix Select

    I would personally found the posts in proper steel shoes that keep the wood above the slab level and found them in concrete rather than try to fix to the slabs..

    Single 2x8 would be OK but I'd probably double them to make the whole thing more chunky: you're using pretty meaty posts.

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