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poles in the ground vs concrete footings with anchor
That method would be strong enough. The only concern I would have is getting them set in a straight line. I would
set up a string on stakes beyond your builing corners and
use the galv.brackets Beagle referred to. They work well for 6x6 posts. I would just stick a 6" bolt through the bracket into the wet cement. Alignment is crucial.
I would also throw some 1/2 " rebar into those footings
I criss cross mine with 3-4 pieces. The last one I did I used "Elaphant feet" with sona tubes. It is a funnel shaped piece of plastic that the sona tube sets into. So that you can pour your footing and tube at the same time. The shape of them(upside down funnel) prevents frost from lifting them.If you are interested I will get the exact name of the product for you.
I am of the school of thought that foam under your slab is a good idea. One winter you may decide not to heat it,I believe this will keep the frost from getting under your slab and heaving it. The poly under your cement serves another purpose as well as the vapor barrier, it prevents
the floor from drying too fast when poured. The longer you keep it wet the harder it will get. When able I spray with a hose daily for a week.If it hot weather,get you roof on first. BTW 3500lb cement is only a few dollars more than 2500lb mix.
Good luck
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poles in the ground vs concrete footings with anchor
Not sure if anyone else was aware of the changes in Pressure Treated lumber or if was a nationwide change?
But as of April 04' the formular was changed to reduce the arsenic content. The "New" Nature wood" (nice name) Has a few issues; You MUST use stailess or DOUBLE dipped galv. fasteners,also when flashing will contact it, that must be copper flashing. This new formular will eat aluminum and steel. I also noticed a 15 yr life on some I have bought,not 40 yrs like the old stuff. FYI
I have heard it is a matter of time before a bank will require you to test your soil around your deck of your house(when selling) with the old formular wood. I could be builing alot of deck's in the future.
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poles in the ground vs concrete footings with anchor
The coated screws? Were they DECK-Mates? Greenish with a sqaure head bit driver.
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11-23-2004, 17:43 
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