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Old 06-09-2010, 09:40 PM   #1
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Deck post supports??

Hi, I'm not even sure what to call this. I'm wanting to know the different types of post supports to build a deck on. I've heard so many different types and I'm not sure what the differences are and the advantages and disadvantages of them. I live in Manitoba, and the deck will not be attached to the house. It will be a platform style deck with stairs going down from the door to the deck. It will not be far off the ground and there will not be any stairs leading from the deck to the ground. I hope this makes sense. Thank you.


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Old 06-09-2010, 10:10 PM   #2
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Deck post supports??

ohhh.. i lived in winnipeg for a while. i remember the snow being taller than i was.

sounds like your deck is very close to the ground, like within 8". in thise case, i would dig 52" down with a post hole digger (check your local building code, you might actually have to go deeper!), put in 4" of gravel, wrap a 8" sonotube 4 times with 6 mil poly (common vapour barrier), drop the tube in the ground, mix the pillar cement, pour it in, put the BEAM ancors in the cement, and then set your beams right on that when it dries. there is no post here because the deck is so close to the ground (my assumption due to your situation you described).

you might want to consider ground contact rated PT wood for the beams because of wet snow that stays around for long period of time.



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Old 06-10-2010, 12:00 AM   #3
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Deck post supports??

Use gravel around the tubes also:

Waterproof treat the p.t. wood, as it's only treated for decay and insects:

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