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I'm currently digging holes for a sun sail - managed 1 meter for the first post, two more posts to go.
My posts are 3.6m treated wood 150mm diameter. I'll likely set the sail height at 2.4m and slope at 30' towards the rear.
All the online guidance says that the posts should be set at an angle of 10' against the sail tension to allow for post flex.
Is this a thing for 150mm wooden posts? or maybe its give in the soil from the leverage of the post length above ground.
I'd like my posts straight when set up and settled in, so do I just set them dead upright or set at 10'??????
Anyone who's already done this able to feedback?
ta
Well the nice thing about leaning then 10 degrees is that it hides any movement. Trying to set them perfectly by offsetting slightly is probably just going to end up looking 'nearly' upright.
My opinion is they look better with the poles leant back in a braced position.
I'm in the angle camp as well.
10 degrees will hide flex, or errors, so if it's 11 or 9, no one will be able to tell.
If they're vertical, even half a degree off looks odd.
Related, have you considered using these https://www.postsaver.com/products/pro-sleeve-fence-post-protection/
Also.... any reason not to use postcrete? Some of the sites say not to - but I'd like to for convenience.
No plans to wrap the posts.
If you've got 1 metre deep, I would just use them handle of a long sledge hammer to ram the soil back around the pole as you backfill in stages. Concrete will just hold water against the timber and encourage rot.
The last (short) post I put in I just poured gravel around it, better for drainage although it would probably be better to use something that's designed to bind together like MOT. Easier to remove the post and replace in future without creating a huge crater too 🙂
PS only home fencing uses concrete, farmers don't, and we don't set telephone poles with it either 🙂