how to figure load rating of a deck?

hot tubs 6x6 image

stephanie

I am installing a hot tub and want to know what lumber and what spacing i should use to support the weight and how i can calculate it

Answer
what size of deck ? how high up?the average hot tub is around 5500lbs which is around 86 lbs per square foot 2x10 on 12" centers with at least 2 beams 2x12,s running under them set on top of 4 to 6 6x6 set on concrete pillars sunk 4 feet into the ground at least 10 inch in diameter( a bigfoot on the bottom would help greatly) for a 12x 12 deck. i do believe you can go to lowes or home depot and the have deck software there to make sure it is done right. you could also call up an engineer. get it right the first time

bigfoot pic
http://www.bigfootsystems.com/include/images/bf28.gif

Im wanting to put in a hottub on my deck, How much weight will 2x8s on 16 inch centers support per sq foot?

WVCiscoKid

Answer
probably not enough for a hot tub. go with at least 2x10's , 12"o.c.' and 6x6's instead of 4x4's ,with simpson clips for the added weight.

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