Good alternative to plywood?

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PunkR0ckz

Well-known member
Joined
Aug 3, 2023
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LOCATION
Montreal, QC
Hey everyone, I am still on the market for a good material to use for my floors.

At first, I thought I wanted sealed plywood + fiberglass, but then I found aluminum composite panels, but they are priced pretty high.

Today, I found someone selling some styrofoam-like material that is covered on both sides with aluminum sheets (similar to aluminum composite panels, but instead of a composite, its foam).

The seller says its good for walls & ceilings, it is 48" x 64" x 11/16" in thickness. I would double them up to make a 1 3/8" thick floor and thus doubling the floatability.

Would it be a good alternative, or should I resist the "want" ? I would like to have something durable, that wouldn't need to be replaced over the years and that would add floatability in case of "emergency" to prevent it from sinking.

Obviously, I would seal the edges somehow (I will most likely glue/epoxy some aluminum from the 18' aluminum pool I was given to cover up the seams, and all of the exposed edges)

Note; Weight isn't an issue, my boat can hold 1900 lbs of weight; I would be alone in it 99% of the time, with a 70hp 4stroke Evinrude and a gas tank, that's pretty much it; so less than half of that weight capacity.
 

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