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don’t want to overkill it

| Posted in Construction Techniques on August 8, 2004 08:44am

hey just wondering if i’m gonna build my deck too well.my thoughts are this im going to put a 1900# hot tub on top of it i was thinking of going with 2×10 joists 12 inches o.c. its going to be about 18” off of the ground. i was thinking of 5/4×6 cedar on top with treated framing underneath .i dont want to overkill it with too much but i dont want to have any problems later on either .the span is about 12′ this will be a seperate deck with a step-down the rest of it will be normal 16” o.c. also thinking of going with 6×6 posts for the main and hot tub area. any thoughts would be appricated,thanks

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  1. User avater
    EricPaulson | Aug 08, 2004 09:18pm | #1

    Hard tp tell with out the plans or a few more details..........is it attatched to a building? Girders and number of posts, footings??

    Sounds like your on the right track though,

    Where did tou come up with 1900lbs though? I had one that held 350 gals x 8lbs per + the tub and people. Could well approach 3500lbs.

    Eric

    Every once in a while, something goes right!
  2. WayneL5 | Aug 08, 2004 09:23pm | #2

    When you want to build solidly enough to meet strength requirements and code and not spend additional money on additional materials by guessing just to be sure, you need an engineer.  This is one of those times where paying for good advice is worth it.

    If you're only 18" high, why not a patio?  They are much more durable than decks.

    1. FastEddie1 | Aug 08, 2004 09:41pm | #3

      Agree ... if it's only 18" off the ground, set the tub on the ground and build the deck around it ... makes entry easier.

      Whenever you are asked if you can do a job, tell'em "Certainly, I can!"  Then get busy and find out how to do it.  T. Roosevelt

  3. Stuart | Aug 08, 2004 10:56pm | #4

    Read the post in this forum about deck collapse.

  4. Piffin | Aug 09, 2004 01:39am | #5

    So what kind of beam will those joistrs sit on and how will it be supported?

    http://forums.taunton.com/n/mb/message.asp?webtag=tp-breaktime&msg=46127.1

     

     

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  5. User avater
    BossHog | Aug 09, 2004 02:33am | #6

    Doesn't sound too good to me - 2X10 joists spanning 12' with a tub up there.

    Maybe if you went with a couple of extra posts and a beam right under the tub.

    You also have to consider how big your beams and other connections need to be to support this. Everything has to be done right, clear down to the posts/footings.

    I think the suggestion of setting the tub on a slab and building a deck around it sounds much more appealing.

    Dentist, n.: A prestidigitator who, after putting metal in one's mouth, pulls coins out of one's pockets. [Ambrose Bierce]

    1. buildem2 | Aug 17, 2004 03:52am | #7

      hey boss im gonna change the span to about 7'-6'' and just for kicks (because this lumber isn't heavy enough) im gonna double up 2x12's 12 in o.c. i think this will be enough beef to set my sherman tank on  let me know ? thanks

  6. maverick | Aug 17, 2004 04:14am | #8

    I built a platform for my hot tub out of pressure treated 2x4s 16"oc with a 3/4" pressure treated plywood deck, then set that on level ground. thats it. Its been there 5 years with no problems. Its just enough to keep the hot tub off the ground. Build a deck around that.

  7. junkhound | Aug 17, 2004 04:37am | #9

    "it's only 18" off the ground"

    AMEN; heck, just pour a cheap 2 sack stiff concrete base, that'll hold it for sure.

    Put a couple of $3 sq ft Italian marble tiles on the concrete if you are looking to impress anybody.

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