Floor weight/strength for aquarium

fishhead_20007January 12, 2007

How can I find out how much weight the floor of my manufactured home can bear? I am considering a 60 gallon aquarium, but suspect that the weight is more than the construction will tolerate. I would imagine there is a standard weight the floors in manufactured homes are designed to meet. Thank you.

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We had a 125 gallon aquarium. We have a 2002 Marlette w/2x8 floors. But no matter what construction you have, you want to span several joists, so if your joists run from the front to the back of the home, you want your tank to run the opposite direction so they rest on several joists as to running the span of one joist.

We also added extra extra piers or pilons (sp?) where the tank sat under the home. We wanted to as we had a 125 gallon saltwater and it got heavy w/all the rock. We had no problems.

    Bookmark   January 13, 2007 at 10:50AM
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I appreciate your response. Though the tank I was considering was less than half the size, it confirms I should be prudent where the extra water weight is concerned. Thank you very much.

    Bookmark   January 13, 2007 at 12:50PM
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I think the numbers you are looking for are a min. uniform design load of 40 lbs/sq ft with a min. 200-pound concentrated load on a one-inch diameter disc. (HUD Code Sec. 3280.305) Before the mobile-hating guy starts his whining, that is also the same design criteria I design for in modular and stick frame home construction.

I believe that you will be ok without adding any additional support below your floor. The water in your tank will weigh about 480 lbs, or about the the weight of a well-stocked side-by-side refrigerator. You can hedge the numbers by placing the tank on a wood base or platform that spreads the weight over an area wider than the four points where the tank legs typically sit.


    Bookmark   January 14, 2007 at 3:26PM
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Thank you, Wayne. I recall seeing those numbers (with the exception of the 200 lb. concentrated weight), but specifically in reference to roof weight. Consequently, I was still a little unsure. Thank you for the HUD reference. You have a point about the refrigerator. I think your idea about spreading out the weight is a good one too. As for the mobile-hating guy, no worries. If I wanted a site-built home, I would have bought one. LOL. I love my MFH. Thanks again. :)

    Bookmark   January 15, 2007 at 9:08AM
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Ah yes, we as well had our large tank sitting on top of a wood base for better weight distribution. We may have done overkill, but w/a 125 marine aquarium, best to be safe than sorry.


    Bookmark   January 18, 2007 at 11:10PM
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Yep. Gotta figure, my house is older too. I appreciate all the responses. Thank you very much.

    Bookmark   January 20, 2007 at 6:20PM
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Youll be fine i have a 55 with nothing additonal.Getting ready to set up a 220

    Bookmark   February 1, 2007 at 12:50AM
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Had no problems with my 55 gallon aquarium. Did nothing special either.

    Bookmark   March 11, 2007 at 5:33AM
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adirondackgardener thanks for thinking about me.
You forgot to tell them that if they have a problem with the home and talk to the manufacturer, they will tell the consumer that moisture from the fish tank is causing the problem?
See ya 'round buddy....

    Bookmark   May 9, 2007 at 9:34PM
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You are hardly my buddy. Now go and play and let the grownups talk.


    Bookmark   May 10, 2007 at 8:05PM
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