SoCal Jet Boats
Tech Talk => Fabrication => Topic started by: Jetboat949 on March 23, 2017, 07:51:49 PM
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I was wondering if there's a difference between marine plywood and regular? I was going to buy 3/4 plywood and just coat it with resin. Is that not a good idea or is it the same thing?
Matt
Who farted?
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It is the type glue they use between the plys
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It's heavier, more expensive, and tougher to find. I'm doing my floor right now and I bought the sanded 3/4 inch plywood from Home Depot and coated it with west systems epoxy resin.
From what I've learned, marine plywood is only necessary if you use it below the water line.
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I believe no voids in the core plys.
I've used both and it's a much better product.
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Katela plywood and lumber has a nice selection if you want to drive to stanton.
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Do you have to put resin on marine plywood or is it already treated?
Matt
Who farted?
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Do you have to put resin on marine plywood or is it already treated?
Matt
Who farted?
Resin coat it.
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Marine ply is the only way to go regular Home Depot to live he gets to where the glue delaminates and you end up with a bunch of Venere sheets lead on each other no strength very spongy
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To qualify that, it was my belief that you experience the delamination issues when non-marine plywood is used in applications where it is exposed to moisture. If properly coated on all sides/surfaces (to include edges), it seems to me that "regular" plywood should suffice.
I happen to know that there is currently a boat that I used to own on Craigslist that I totally replaced the floors, stringers and rear bulkhead (between engine and floor) with the $50/sheet Maple plywood offered at home depot. I coated everything on every surface after making all of my cuts and then epoxying everything down/together. That was about 5 years ago and I happen to know that boat has sat outside, with no cover on it since I sold it (RIGHT) after replacing all afformentioned wood, seats, carpeting and upholstery! Pretty sad, as the boat is beat now! But, this is making me want to go check it out and see if the wood has held up after at least 5 seasons in rain/snow/etc. Would be interesting to know if the floors are still solid, or if they are trashed. Its been a while, but I remember thinning my epoxy further than normal!
Nik