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Posted by dpb on April 20, 2008, 1:06 pm
terry wrote:
>> tfortarg...@gmail.com wrote:
>>> Hi,
>>> I have to build a small section of wooden fence. I need to plant two
>>> posts into concrete, I've never done this before. Do they go directly
>>> into the concrete? or do you put some kind of mounting hardware in the
>>> concrete then attach them to that? If they go directly into the
>>> concrete, then how many inches should be underground ? thanks
>> Rule of thumb is 1/3rd the post is in the ground so the total post
>> length is 4-thirds the height of the fence.
>>
>> Most who do the concrete around the post thing do just dump it in around
>> the post. I personally don't much like the "concrete around the post"
>> way except for a corner post that may really need additional lateral
>> support and where there isn't ample room for adequate bracing, but
>> that's me.
>>
>> One can also simply use quikrete ready-mix to pack the whole and let it
>> set up w/ ground water as a simple expedient compared to mixing it.
>> Somewhat easier to retain the position and achieve plumb that way as
>> don't need bracing while the mix cures.
>>
>> --
>
> In frosty area 3 feet depth; however 30 inches seems to work here for
> fence not over 4 to 5 feet. It will be interesting to see how our
> neighbours six footer stands up after a couple of winters; it's a
> fairly windy location with gusts to 90 to 100 kilometres per hour and
> higher.
Yeah, in areas where it's wet enough frost heave might be an issue --
we're plenty cold, but dry and sandy enough heaving is so minimal that
for fences never think about it as an issue --
Don't need to tell me about windy locations, though...those kinds of
gusts are pretty routine here as well--in fact we just spent a full two
days of it last weekend w/ no measurable moisture in the front following
to make up for it (as again is so often the case) :(
--
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