Fence post mounting

Andrew Gabriel · 2019-03-14T21:35:11+00:00

The recent winds have seen the end of a boarded arris rail fence.The posts are 100mm x 100mm, 3m apart and the fence about 1.6m high with 3 arris rails per section. It was probably 30 years old.The posts rotted off at ground level about 15 years ago, and I hammered post sockets into the ground and lifted the posts with the panels attached into the sockets (which was one hell of a job - they were damn heavy). I think it did well to last another 15 years, but now both the posts and arris rails have rotted, and I think that's it.I intend on mounting the replacement posts so they stop above the ground. One possibility is to reuse the post sockets, but the one I've uncovered so far under the undergrowth and collapsed fence is no longer vertical, so they may have had it too.Another thought is to use concrete repair spurs set in concrete, with the posts bolted to these. There are some repaired posts in the garden like this already - they've been there 20+ years and and rock solid.Any thoughts on concreting these in? I can't believe one bag of postcrete is enough for a 1.6m high fence on 3m spaced posts.Is postcrete a compromise over using a real cement mix?If so, what's a good volume per post, and what concrete mix?Also, is there a different name for arris rails which instead of being flush with the post faces are mounted on the surface so the boarding is spaced slightly away from the post faces? Instead of triangle section, they are almost rectangular but the top surface is cut with a slight slope to prevent water pooling. (This is what I would like to use and have seen elsewhere, but not what the fence used before.)TIAAndrew Gabriel

Mar 14, 2019 Last reply: 7 years ago 20 Replies

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Jim K.. 5 years ago

Yes I should have said "flakes off to rusty metal" :-)

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Fence post mounting

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