Deck post height question.

Old 05-21-19, 05:24 PM
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Join Date: May 2019
Location: Canada
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Deck post height question.

So I have removed the broken deck and want to build a new one, with the same dimensions but I have a problem.

1. My deck is below 24" so I dont need a permit (like the old one).
My hight over the ground is 18". from the patio door.
If I calculate down I am going to use 5/16 for the decking, then the joist then the beam. (using 2 by 6) I am getting 7 1/4 for the post size.
But the internet search shows that the post should be at least 12" in order not to split it when I connect it to the beam.
What should it be?

2. I already have concrete pads from the old deck, but they have an overhang of 3ft 1/2, and the code in Winnipeg says that it should be 2 ft but only if it has a roofed structure over it. I am planning to put pergola, so no roof. But I still do not understand can I reuse the old pads? or they are located wrong?

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