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it all depends on the load, and the heigth of deck. If the deck is over 8 to 12 inches, it changes things a little. To get the load, measure the width by the length and multiply by the length of the joists. It's more complicated than just that, so if you need exact figures, send me a message and I'll do the math for you.

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16y ago
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Q: How far apart should post anchors be for a ground level deck?
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