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Old 04-21-2006, 12:56 PM   #1
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Floor Renforcement?

Does anyone know if I will have to renforce my floor with the new 168 gallon tank? I know it will be heavy.
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Old 04-21-2006, 01:12 PM   #2
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Might be worth having someone inspect it. The floor is strongest in corners and against the wall. What is underneath it? If its unfinished, reinforcing should be relatively easy.

Figure the weight of the tank, 200-300# of sand (if used), 200-250# of LR and water @ ~8lbs/gal = pretty close to 2000#.
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Old 04-21-2006, 01:28 PM   #3
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You'll have over 1400 pounds of water and depending on if it's glass or acryllic and all the equipment another several hundred pounds. Don't forget to factor in a fuge if you plan on one.

The flooring depends on many factors such as floor joist spacing, whether it's pier and beam or studwall construction. It also matters greatly where you plan on putting it, say the middle of a room versus near an outside wall where the joists are tied into the support footings. With something that big I'd want a minimum of 2 x 8" joists. Supporting it underneath shouldn't be to hard.

Down here most homes are built on concrete slabs so it's not an issue. HTH
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Old 04-21-2006, 01:39 PM   #4
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It will be on a wall with a concrete foundation. The beams are 12" apart and there are
2"x 8". tanks for the help.
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Old 04-21-2006, 03:53 PM   #5
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You'll probably be okay. It sure wouldn't hurt to brace it anyway. You could do it yourself, it'd cost $20 and it would be easy.

BTW, just curious what kind of flooring, wood, carpet, ceramic tile?
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Old 04-21-2006, 05:19 PM   #6
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I braced my floor in several places. Definitely would not hurt.
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Old 04-21-2006, 06:25 PM   #7
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It is on a carpet floor. Thanks for all the advice.
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Old 04-26-2006, 05:08 PM   #8
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Most floors are designed to hold somewhere between 40 to 60 pounds per a square foot. What are the dimensions of the tank? How far do the joist span? What kind of wood are they?

Example:
If your tank is 6' X 2' X 2' then you could put a 700 pound load in the middle of the room and the floor should beable to support it. Would have to check a deflection criteria or Maximum allowable bending permitted.

The closer your tank (load) is to the wall the greater weight the floor can handle. At the quarter point it can probably handle 1400 pounds. Right near the wall you should be ok with your tank.

But i would run a header below your floor joist centered under the tank with two 4 X 4 post bearing on a concrete floor. You do not want your floor to deflect. This could cause cracks in your sheetrock.(What floor is the tank on?)

This is one way to do it. I can think of a few more if you want.
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Old 04-26-2006, 07:06 PM   #9
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Quote:
The closer your tank (load) is to the wall the greater weight the floor can handle
That really depends on the direction of the joist.
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Old 04-27-2006, 02:16 PM   #10
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What way are your joist running, perpendicular to the tank or parrallel
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