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Old 06-18-2012, 02:11 PM   #1
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Pressure Treated Deck Posts in Concrete Pillar?


Thinking of setting deck posts in concrete. 48" frostline. Can use tubes to ensure concrete is well above soil or crushed stones under deck. Would it help to wrap the timbers in plastc (below ground level?

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Old 06-18-2012, 05:20 PM   #2
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Pressure Treated Deck Posts in Concrete Pillar?


Do not set the posts in concrete--they rot--cast a pier,using a sonotube--embed a post anchor into the wet concrete--

Buried posts do not meet modern code in most areas--

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Old 06-18-2012, 05:20 PM   #3
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Pressure Treated Deck Posts in Concrete Pillar?


Quote:
Originally Posted by Nick914
Thinking of setting deck posts in concrete. 48" frostline. Can use tubes to ensure concrete is well above soil or crushed stones under deck. Would it help to wrap the timbers in plastc (below ground level?
Why would you not sit them on top?
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Old 06-20-2012, 01:33 PM   #4
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Pressure Treated Deck Posts in Concrete Pillar?


you set them on top so they can wiggle all over the place in a few years. i set mine in concrete, there not going anywhere then. i have used the big metal brackets that attach to the pose then go in the concrete about 1'. but i think the old tested true method of setting them in concrete works best for strength. what ever works for you and you feel the safe-fest with.
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Old 06-24-2012, 01:30 AM   #5
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Pressure Treated Deck Posts in Concrete Pillar?


Quote:
Originally Posted by hotrod351
you set them on top so they can wiggle all over the place in a few years. .
Explain that.
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Old 06-24-2012, 06:53 PM   #6
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Pressure Treated Deck Posts in Concrete Pillar?


Your anchor rod goes in the wet concrete when wet then your bracket.
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Old 06-24-2012, 07:03 PM   #7
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Pressure Treated Deck Posts in Concrete Pillar?


http://strongtie.com/products/connectors/PB-PBS.asp
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Old 06-24-2012, 07:14 PM   #8
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Pressure Treated Deck Posts in Concrete Pillar?


My pool deck has been sitting on concrete piers for 12 years now and they have not loosened up and wobbled around one bit. I have also built about 50 decks for customers the same way over the years and never had a callback to fix any problems.
I have repaired decks in the past that had the wood post set into concrete. The last one I did a couple years ago had 8 treated posts set ito 8" sono tubes. Every concrete pier was cracked from the corners out and most of them had rotted enough that they had to be replaced
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Old 06-25-2012, 10:56 AM   #9
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Pressure Treated Deck Posts in Concrete Pillar?


Another vote for doing it the proper way by setting j bolts deep in the concrete footings with bracket on top. Keeps the wood 1" off the ground so it doesn't rot or wick standing water.

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