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Posted by J.C. on August 24, 2006, 10:38 am
I've never used concrete for fence posts. It just causes more problems than
it solves. Try using regular old river sand. Everytime it rains it repacks
your posts.
--
J.C.
> Hello,
>
> I need to install some fence posts.
>
> I'm in Florida and we're in hurricane season.
> That means it rains almost every day, when the weather man is right.
> Or the weather report says we'll have scattered showers for 4-5 days
> and that will occur , or depending on where you are located
> it could rain every evening, or afternoon, but not all day .
> [my point is, it might rain, it might not]
>
> I was considering using a fast drying product like QUIKRETEŽ
> Fast-Setting Concrete or Pakmix Fence Post Mix with PakMix fast setting
> accelerator .
> In the hopes of setting the posts in the holes when it isn't raining ,
> pouring the concrete, & it will dry as it says it will quickly.
>
> [I'm not attaching the fence for a few days until the posts are
> secured]
>
> My questions:
> 1) if the product says it sets in 20 minutes, does that mean if it
> starts
> raining later that day, it will be ok ?
>
> 2) the ground is wet around here.
> Is that going to compromise the drying of the cement or the anchoring
> of the posts?
>
> what is the easiest product to use, for quick drying cement for the
> purpose of fence posts.?
>
> The posts that were previously holding up my wooden fence were done to
> code (supposedly):
> 8' posts, 2' of which is in cemented in the ground - the last category
> 3 hurricane knocked 4 of the
> fence posts out of the ground & part of the fence over.
>
> So I want to do the replacement posts properly & soon.
> I cannot wait until after hurricane season to do this.
>
>
> Thank you.
> All help appreciated,.
> L
>
> ---------------------------------------------------------
> OP above dashed line
> ---------------------------------------------------------
>
> Wooden fence has alot of sail area, as opposed to a wire fence. Water
> saturation of the soil is also a factor.
>
> Rain water intruding into the concrete mixture before its set can be
> problem for the surface finish, but not the bulk of the mixture.
>
> Concrete adheres to the subsoil components. If its wet/mushy and/or very
> sandy, the resistive capacity to horizontal movement is much less. A
> slightly wider and much deeper footing will be more resistant.
>
> Sizable rocks and bricks can assist in intially placing the posts before
> pouring. Use caution though. The fill can prevent setting the post
> plumb. Keep the fill well below the anticipated height of the concrete.
> --
> Jonny
>
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