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post #1 of 12 (permalink) Old 09-05-2014, 02:56 AM Thread Starter
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Is this a problem?

Sorry if this is in the wrong section, but I recently bought a shelving unit at Home Depot that's supposed to be rated for 4,000lbs, but I noticed that it's bowed in a bit in the middle...is this something I should be worried about?
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post #2 of 12 (permalink) Old 09-05-2014, 03:10 AM
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Smile Hmmm... If It Is Stable...

I would tend to worry about it, but if it is reasonably stable and the tilt doesn't bother you.

Joe
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post #3 of 12 (permalink) Old 09-05-2014, 03:20 AM
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If you are concerned, brace it in the middle. Looks like it could be pretty easy to do.

The metal will sag. Most shelves do.
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post #4 of 12 (permalink) Old 09-05-2014, 05:41 AM
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It looks to me that the edges of the tanks aren't sitting on the metal rails and just sitting on the wood inserts. I would suggest bracing the wood better so that they don't warp the wood.
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post #5 of 12 (permalink) Old 09-05-2014, 11:51 AM
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I've always told people to stay away from those type of shelves.
Sure they could support a car, but would you really trust putting a car on it?
Also they sometimes lie about the rating and put fine print saying the rating is for the bottom shelf, or total limit.


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post #6 of 12 (permalink) Old 09-05-2014, 01:06 PM
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If the wood is particle board REMOVE IT!!!
All the particle board warped rather quickly.

I put 1/2" outdoor rated, painted plywood in there, and they are MUCH stronger. Make sure the plywood is a snug fit. Then it will force the legs slightly apart, and not allow the horizontals to bow. I needed to sort of wedge the plywood in, and it would only fit if the shelves' legs were perfectly square.

I am keeping larger tanks on the shelves. More weight, but the weight is mostly closer to the edges than yours. Still not right over the metal supports, though.

I am using the 3' long shelves.
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post #7 of 12 (permalink) Old 09-05-2014, 01:49 PM
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Yes, I would not like that for my tanks. Pain to do as the tanks will need to be moved but I would fix it now.
My fix would depend on how the shelf is designed and where you can get support. Best would be adding an angle on the bottom of the wood running it left/right. Lightweight angle iron bolted to the wood would be nice but two or three wooden 1X2 strips would do if they were screwed and glued together with the existing wood.
If the shelf design doesn't allow for bracing underneath an alternate would be a brace on top but then it is more obvious and more prone to being in the way and possible more prone to pulling loose.
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post #8 of 12 (permalink) Old 09-05-2014, 02:23 PM
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I personally would'nt feel comfortable. Minor deflection is expected, but that's pretty significant.

I agree with Diana about the wood. The shelves I've seen from Home Depot are all particle board.

Extra bracing would help.
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post #9 of 12 (permalink) Old 09-05-2014, 03:04 PM
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Quote:
Originally Posted by chris_ranger View Post
I've always told people to stay away from those type of shelves.
Sure they could support a car, but would you really trust putting a car on it?
Also they sometimes lie about the rating and put fine print saying the rating is for the bottom shelf, or total limit.
Was just going to say, I'm willing to bet the 4,000 pound limit is total for the unit, not per shelf.

I'd personally reinforce the shelf with a center brace, which isn't terribly difficult to accomplish. A bow like that is a little scary. Last thing you want is to come home to shattered tanks, water everywhere and a broken unit because you pushed the unit to its' limit (or well beyond it).
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post #10 of 12 (permalink) Old 09-05-2014, 03:38 PM
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Quote:
Originally Posted by IDR View Post
Was just going to say, I'm willing to bet the 4,000 pound limit is total for the unit, not per shelf.
It is the entire unit...
That's still a moot point since each shelf would hold 800 pounds. Clearly, that's not the case. If those are 10 gallon tanks, that's half that weight.
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post #11 of 12 (permalink) Old 09-05-2014, 04:48 PM Thread Starter
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Thanks everyone for the help. I might remove half of the water and see how it looks...For the other shelves I'll definitely put in some braces...
Yeah just so people know, the shelving I used was Edsal.
If anyone else is interested in getting a shelving unit, I'd recommend this one instead:
http://www.homedepot.com/p/Husky-5-S...78W5/203828237

I know people have used this kind of thing before with aquariums...

Last edited by crypticmonk; 09-05-2014 at 06:52 PM. Reason: spelling
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post #12 of 12 (permalink) Old 09-05-2014, 06:03 PM
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I put plywood under mine, or otherwise made sure that the tank weight was being transferred to the metal themselves


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