On Mon, 30 Mar 2009 15:18:42 -0600, "SteveB" <(E-Mail Removed)>
wrote:
>
>"mook Johnson" <(E-Mail Removed)> wrote in message
>news:1KVzl.84336$(E-Mail Removed)...
>>I need to set two 4"x4" in aluminum fence post through the concrete in my
>>driveway/walkway. This is for an aluminum ornamental fence between my
>>house and deteched garage across the breezeway.
>>
>> I figure I could rent a core driller from Lowes to drill two 6" holes in
>> the concrete (~4" thick) But I have to dig the post hole to a total depth
>> of 24." I cant get a post hold digger through a 6" hole. I wonder if the
>> cure driller can be lowered to make a 24" deep core? The soil under the
>> concrete is hard gummy grey clay (Houston Tx).
>>
>> I know I could rent a small augger but I'm trying to save some money and
>> find a cheaper way. I have a post hole digger for the other 3 holes (5
>> total) so it won't be too bad once the get is installed.
>>
>> So, any ideas for digging out soil under a 6" diameter hole in concrete?
>> Besides a teaspoon. 
>>
>>
>> thanks
>
>If you do anything below the surface of the concrete, you're betting it's
>going to be good for life, or at least until the next buyer. Any breakage
>or corroding off of the posts, and you have no way to replace it. Aluminum
>corrodes terribly. I'd surface mount them.
>
>Steve
>
In my area some fences/patio covers are made with Aluminum, a product
called alumawood <sp> . Looks like wood, with visible grains ...
Any post anchored on the pad is on the surface mount. One built in '95
still stands is not corroded.