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Default Thinking about putting in a hot tub on my deck

On 11/03/2016 01:59 PM, wrote:
I need to figure out how to reinforce the deck. Joists are 12 inches apart. 4x4s are 15 feet a part one way and 100 foot the other.


You deck joist spanned 12 so figure 100 foot the other 4x4 apart by 15 inches OC plywood span reinforcements configured hot tub?