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Who uses postcrete??


Matthew Storrs
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We used to use post crete but started using extra rapid cement which is 8 quid a bag and mixing it dry in a mixer at 4 to 1 just add water to hole same as post crete. Works same as post crete but cheaper done alot of small runs with it over last year or so and never had any movement on posts. Maybe doesnt harden quite as quick as post crete but certainly within a hour its good to go. Post cretes great till you hit a great lump of conc were you need a post and end up with a great big hole that uses 5 bags lol

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I live in a place called Culverstone kent I guess it's in the name but you Can Not dig a hole without hitting a bucket load of flints and the soil is clay and chalk :sneaky2:

 

Ahh, oop north we have stones.:) I usually chuck them in too so we are on the same wavelength mate:)

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25kg bags ballast, £1.50 each so for 4 bags is £6

25kg bag cement, £5.00, so 1 bag £5.00

 

£11 for materials for what is effectively 5 bags postcrete

 

Compared with buying 5 bags of postrete for £25.

 

Assume 10 holes, so 20 bags of materials - mix yer own £44, postcrete £100.

 

But add on the agro and time of taking the mixer to the job, unloading it, needing electrickery, mixing up, cleaning up, loading it back on the truck again, and it's pointless for the sake of £56.

 

Getting ballast loose makes it a bit cheaper, but then there's the agro of loading it on the truck, shoveling it, and all that jazz.

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Post cretes great till you hit a great lump of conc were you need a post and end up with a great big hole that uses 5 bags lol

 

Don't take all the old concrete out - use a kango. Or plan post spacings. With closeboard it's handy to get a few arris rails longer than you need so you can put a bit of a bigger bay in at one end, or cut down to make a shorter bay, so you can dodge the places where the existing posts were.

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  • 5 months later...

All the postcrete does is form a solid bond between the post and the surrounding ground. It's quick and convenient for small jobs, but drymix is cheaper for longer runs.

 

The important bit is how well you tamp it in. I've used 30mm chalk for a few big runs of post and rail, it does the same job.

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