footing for 4x4 posts

Old 07-19-05, 07:50 AM
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footing for 4x4 posts

I am going to build a peak over my front door. There isnt anything there now. According to my measurements, 1 4x4 will rest on the concrete steps, but the other will goto the ground. What type of support is needed at the base? Does it have to be a 36" deep footing, or simply a cement block footing that sits on the ground?
Old 07-19-05, 08:05 AM
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Depends on where you live.

If you live in an area where the ground freezes, you need to have a cement support buried below the freeze line. If you don't the ground will heave from time to time causing your peak to move.

Check with your city for proper depth. In the Twin Cities area it's 48".

Another option is to support your peak from the house with a triangle type support if it is not too big and you have available space on the wall.

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