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Xist · 10-30-2018, 08:23 PM

I know there is Marine - grade plywood, but I would not know where to buy that, and I am trying to take care of this today. As I mentioned elsewhere, I started painting Mother's house in May, but most of the trim had dry rot, so trying to figure out how to replace it. The problem is that it is smaller than all the lumber that I bought, and I am not purchasing a planer to trim down larger pieces, and then never using any of that expensive equipment again.
I bought plywood of the proper thickness, and plan on trim to fit, but is there a proper way of waterproofing it, or will I be doing this again in a year?

10-30-2018, 08:23 PM	#1 (permalink)
Xist Not Doug Join Date: Jun 2012 Location: Show Low, AZ Posts: 12,230 Chorizo - '00 Honda Civic HX, baby! :D 90 day: 35.35 mpg (US) Mid-Life Crisis Fighter - '99 Honda Accord LX 90 day: 34.2 mpg (US) Gramps - '04 Toyota Camry LE 90 day: 35.39 mpg (US) Don't hit me bro - '05 Toyota Camry LE 90 day: 30.49 mpg (US) Thanks: 7,254 Thanked 2,229 Times in 1,719 Posts	How do I waterproof plywood? I know there is Marine - grade plywood, but I would not know where to buy that, and I am trying to take care of this today. As I mentioned elsewhere, I started painting Mother's house in May, but most of the trim had dry rot, so trying to figure out how to replace it. The problem is that it is smaller than all the lumber that I bought, and I am not purchasing a planer to trim down larger pieces, and then never using any of that expensive equipment again. I bought plywood of the proper thickness, and plan on trim to fit, but is there a proper way of waterproofing it, or will I be doing this again in a year?