Bernie Cerra: Yes, I have to agree with Sailor man - Sombody has me baffleled as well. . . 25 years ago, "marine grade plywood" made a difference - it doesn't anymore. Now, all the same glues, quality, in A-A interior grade wood is the same as "marine grade". And for sure - the fact that the plywood is "marine grade" makes absolutely no difference in how fast it will rot - if left unprotected. What you do with the plywood however does. If you (as sailor man mentioned) cut it first to fit, then laminate it with boat epoxy - it will indeed out last everything else on your boat. If after you laminate the cut to fit plywood, you wish to fiberglass it - you can, and it is much - much easier then you think. Simply buy 7 oz fiberglass cloth, cut it to fit, and use the same boat epoxy to "lay" your fiberglass cloth. Laying fiberglass is much like spreading honey on a piece of toast - pour the epoxy on - spread it out with a super large plastic putty knife until the cloth is al! l "wetted out" and clean, clear, and thin. . . and let cure - that's it. But, of course, you do not need to fiberglass the floor if you do not want to. You can just laminate it, and the paint it with a good no-skid marine deck paint. I have been building and refurbishing both power and sail boats for 40 plus years, and never once had to "split a boat in half" simply to lay a new floor. . . Here is a link that has some useful instructions for using boat epoxy and laying fiberglass:http://www.glen-l.com/Here is a link to one of my favorite epoxy, and fiberglass suppliers:http://www.uscomposites.com/...Show more
Hunter Beech: Download 500 Boat Plans Here : http://BoatPlans.NaturallyGo.com/?ijz
Travis Sherrock: Knowing the type of boat and exposure to water would be nice to know. Look at pressure treated plywood it's going to last longer. You can now cover it with glass and apply non-skid should you wish to go in that direction. I'd go this route for a deck expo! sed to weather all the time, a work boat for example. You cou! ld also go with exterior grade MDF and apply another wood over (1/2 in mdf with 1/2 or 1/4 in wood of choice) this make a nice floor inside sailboats and cruisers, and isn't that expensive....Show more
Nell Dipiero: r
Marty Tichnell: Sombody is giving advice far above his experience level.For one - there is nothing about "marine plywood" that keeps it from rotting - it will in fact, rot equally as fast as any other wood - that is not what "marine plywood" is about. . .You can use 'good on both sides' interior grade plywood, and laminate it. The result will last longer the the rest of your boat. 1 sheet of 4' x 8' 3/4" ply weighs 75 lbs, 1 gallon of epoxy weighs less than 9 lbs....Show more
Oswaldo Rayburn: Use good quality Lino. Plain and simple. It won't rot, you get some beautiful finishes to suit the colour and style of your choice in a range of prices. Our friends fitted out their Widebeam canal boat with wood planking effect flooring, and I fitted out! a cabin cruiser with the same stuff. It not only looks fantastic, it handles damp, wet conditions and is extremely easy to fit, maintain and of course friendly on the wallet!
Micah Schwarcz: Go with Sailor man and Capt John.The only difference between marine grade ply wood and an A grade plywood is that marine grade doesn't have any core voids. Stay away from the new pressure treated plywood. It will last for 30 years or more, However it will also corrode / deteriorate aluminum (and other metals / fasteners) in a short time....Show more
Leora Klingelhoets: Go to a hardware store and special order marine grade plywood. It's expensive but if you don't do it you will find that it will rot in about 5 years. Also if it's fibergass you will need to sent to a professional because have to split the boat in half can be expensive and really is not normally worth the cost do not pay more than you payed for the boat if you find you have to take all the stuff off of the ! hull and sel it as it is or donate it.
Hyo Hardell: Sombody is gi! ving advice far above his experience level.For one - there is nothing about "marine plywood" that keeps it from rotting - it will in fact, rot equally as fast as any other wood - that is not what "marine plywood" is about. . . You can use 'good on both sides' interior grade plywood, and laminate it. The result will last longer the the rest of your boat. 1 sheet of 4' x 8' 3/4" ply weighs 75 lbs, 1 gallon of epoxy weighs less than 9 lbs....Show more
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