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Repairing a deck

454 Views 1 Reply 2 Participants Last post by  carpdad
Do I need to use 6x6 pressure treated posts over 4x4 pressure treated post. The footing is 5ft apart. It's a raised deck. The deck is 12ft from the house and 20ft in length. There is only 2 beams holding up the joists at the moment so I'm aiming for the 4x4s
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4x4 treated tend to twist and split more, so even if you're allowed, it's better to use 6x6.
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