How much postcrete to use in each hole

Question

Hi I have 8ft  4x4 wooden posts for a 6 ft fence! I have made the holes in the ground 2ft deep by 12” wide how many bags of of blue circle postcrete 20kg to each hole? thanks

Tony · Accepted Answer

i would buy 9ft post put into ground 2ft 6" 3 bags per hole

Jamie · Answer

Hi it should ideally be one bag per post. You can mix 10 m shingle with the post Crete to bulk it out if the hole is to big for one bag. When your ready to add the post Crete with post in place fill 1/4 with water first then add the post Crete use a stick or small bar to mix the Crete as you add it. It will take out the air pockets which can cause weakness to the post over time. Cheers and good luck

Russell · Answer

I usually  put in Two bags postcrete per hole and usually dig the hole size

Eddie · Answer

Hi Billy!  So although you won’t want to overfill each hole, you will likely find that you need at least 30kg - or 1 1/2 bags - of postcrete.  Together with a good mix of water all around your post, your hole should be well and truly concreted.

Get in touch if you get stuck!

Albatrit · Answer

Hi Billy, if u want to do proper job need to use 2 bags of post concrete .

Chris · Answer

Hi Billy,

Just over one bag per hole should be sufficient, blue circle postcrete suggest 1 bag will fill a 8 x 30 inch hole with a 4x4 post. You're dimensions are slightly bigger than that so better to be safe than sorry and have a bit extra.

Take care :)

Stephen · Answer

I would use one bag per hole. Hope that helps. Good luck.

Ben · Answer

Hi there two ft depth with two bags of mix in each of them

William · Answer

It should usually say on the side of the bag but I always use 2 bags per post

David · Answer

Hi, approx 1 to 1/2 bags needed.
Thanks 
Dave 
Renaissance building and construction sw ltd

How much postcrete to use in each hole

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