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Reply With QuoteThey actually have a marine grade urethane which is what I would recommend. It's more expensive but what should be used. That and the exterior or marine grade plywood.
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They say that a wise man learns from his mistakes. When I rebuilt the USSPOS, my research let me know that treated plywood would corrode the aluminum. Instead of using Marine plywood, I chose to use a cheaper B/C grade and treated it with Thompsons water sealer. When I lived in Oologah, I could keep the boat garaged and never had a problem. When I moved to Talala Creek, the shop filled up fast and I didn't have the space to keep the boat inside. In less than 6 months, the carpet glue started giving up it's bond. I blame it on the Thomsons.Originally Posted by IkenI
I'm fairly certain Floyd that if you use regular plywood and coat it with a good exterior primer that you'll have enough protection since you keep it garaged. Sealers like Thomsons just don't allow an exterior carpet glue to properly bond to the plywood.
I came across a Ranger 373v recently that may need extensive work to restore. I might try to do some horsetrading with the guy that has it. He doesn't know he's getting rid of it yet.
Reaper, Where Fish come to Fry
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They actually have a marine grade urethane which is what I would recommend. It's more expensive but what should be used. That and the exterior or marine grade plywood.
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Sorry Floyd, didn't read close enough and realize you don't have the ladder mounted yet. Would appreciate a pic or info on what you decide to do.
Dr Nip, can you share more info on the proper adhesive to use on marine grade plywood? Would be a big help.
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The difference between marine grade and exterior grade is marine grade is void free in the inner plies. They both use the same type of glue. Where alot of people go wrong is using pressure treated wood and putting it in contact with aluminium. That is a no no and is what Reaper was referring too. You'll also have problems getting products to adhere to it, i.e. sealer and then adhesive.
As stated use a marine grade spar urethane to properly seal it.
https://www.google.com/webhp?sourcei...tbm=shop&spd=0
When using an adhesive make sure it is marine grade as well.
Do it properly and you shouldn't have any problems. No need paying a premium for marine plywood and then skimping on the protection and adhesive.
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IkenI, that's a nice looking ladder. Who makes it?
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I got it at Overton's. I think they make it - called a Dockmate on the box. It comes in 2, 3or 4 step and is rated for 400 lbs. Mine is a 3 step like the one in the photo.
Telescoping Drop Ladder 2-Step - Overton's
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Thanks IkenI, I fish by myself a lot in the winter and have been thinking I should put a ladder on boat but have not found one I liked.
