One possible solution is to cut a piece of plywood or other wood
material to the dimensions of your base, and put this under the castors
so that the weight is evenly distributed on the Pergo. 1/8" thick
plywood should be thick enough and should not be unsightly.


LurkerNoMore wrote:
George is exactly right. Its pounds PER SQUARE INCH that matters. I
have been told that a refrigerator 'weighs' more than any aquarium
becouse of the this.

Anyway, the suggestion of installing the flooring such that the tank
is one the side of the room easiest to pull up the boards. Just make
sure you get some extra flooring, as the makes/models change over
time.

M



On Tue, 14 Jun 2005 20:02:48 GMT, George Patterson
wrote:


Frank wrote:

With 1800 lbs I wanted to be able to move the tank if it was necessary. I
built a platform with 8 heavy-duty casters which support 375lbs ea. which
equals 3000lbs. Will the 8 casters create 8 little impressions in my pergo
floor? Should I increase the Casters to 12 which equals 4500lbs?

Yes, you'll get dents in the floor. Each caster is going to have about 1" of
surface area; maybe less. If you have 8 of these, and each is actually 1" of
surface area on the floor, you'll have 225 pounds per square inch at those 8
points. I suspect that the surface area is actually less than 1" square, and
you'd have even more point weight.

If I were trying to do the same thing, I think I would build a more traditional
stand and design the platform in such a way that I could jack the stand up and
slide the platform (or platforms) under it if I needed to move it.

George Patterson
Why do men's hearts beat faster, knees get weak, throats become dry,
and they think irrationally when a woman wears leather clothing?
Because she smells like a new truck.



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