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Old 12-24-2007, 10:25 PM   #1
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alternative to plywood re-floor?

I'm getting ready to replace a semi-rotted bath floor and am wondering if there are any non-rotting (non-wood?) alternatives available. some sort of plastic, structurally strong composite, like they're using for deck material, maybe? I'll use treated plywood otherwise, I suppose.

thanks
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Old 12-24-2007, 10:55 PM   #2
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Aluminum Deck Material

Looked at a horse/people trailer that had aluminum decking and an aluminum frame. In the passenger compartment there were options for the floor such as vinyl, composite or wood.
In my years of reading this forum it has not been mentioned much.
I wonder why. Aluminum decking could be very nice with a rolled flooring.

R
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Old 12-24-2007, 11:00 PM   #3
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Recycled Cellulose/Glass Composite Replaces Marine Plywood

Black Rhino - Recycled Plastic Lumber Sheeting

Maybe these two sites will help you find something.
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Old 12-25-2007, 02:29 AM   #4
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I think "boatdoc" used some sort of aluminum sandwich "signboard" for his Argosy.
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Old 12-25-2007, 07:15 AM   #5
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You can use Coosa board, which is beginning to be seen replacing marine plywood in higher end yachts.

Coosa Composites, LLC - Manufacture of high-density, fiberglass-reinforced polyurethane foam panels
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Old 12-25-2007, 09:00 AM   #6
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Treated plywood is much more prone to warping and has more toxic chemicals. If using wood my choice would be marine plywood.
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Old 12-25-2007, 09:12 AM   #7
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Yes, Lum, I meant marine ply (used it in my darkroom sink, epoxy coated, works great). However after seeing this "Coosa" stuff, if I can afford/get it, it looks like a superior way to go. Never have to worry about rotting back there again, lightweight, structural, etc.

thanks for all the info, once again...
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Old 12-25-2007, 10:01 AM   #8
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Quote:
Originally Posted by fotochop
However after seeing this "Coosa" stuff, if I can afford/get it, it looks like a superior way to go. Never have to worry about rotting back there again, lightweight, structural, etc.
Here is some pricing for the Bluewater 26, which seems to be the applicable material for an A/S floor alternative.
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Old 12-25-2007, 10:11 AM   #9
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Here is a post on a boat design forum in which a woman from Coosa comments on the product.
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Old 12-25-2007, 10:19 AM   #10
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Here is a post on a boat design forum in which a woman from Coosa comments on the product.

>>with corrected link<<
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Old 01-03-2008, 09:23 PM   #11
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Quote:
Originally Posted by fotochop
I'm getting ready to replace a semi-rotted bath floor and am wondering if there are any non-rotting (non-wood?) alternatives available. some sort of plastic, structurally strong composite, like they're using for deck material, maybe? I'll use treated plywood otherwise, I suppose.

thanks
Do not use pressure treated plywood. Take a look at the following thread:

http://www.airforums.com/forums/f36/...num-29176.html

I replaced my entire subfloor with a product called Polyboard. Check out the following:

http://www.airforums.com/forums/f36/...ice-14620.html

I would be happy to answer any questions about my experience with Polyboard.

Malcolm
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Old 01-03-2008, 09:42 PM   #12
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I am using a plywood called aquatek. It was $50 cheaper than the traditional Okium marine plywood which was $175 for 18mm 4 x 8. Even at $125 each it was no bargain. You get what you pay for when it comes to plywood. There are fresh pictures on my blog so you can see what it looks like. It is very stiff, very flat, and extra light.
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