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19720Re: [Michalak] Re: MDO

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  • Joe Stromski
    Sep 4, 2009
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      Sure, they're in a folder in the group photos called "Joe's AF4"

      stephen pepper wrote:
      >
      >
      > Anywhere I can see pictures of your recently completed Af4, that is
      > the design I'm really interested in.
      >
      > --- On Thu, 9/3/09, Joe Stromski <j.stromski@...
      > <mailto:j.stromski%40sbcglobal.net>> wrote:
      >
      > From: Joe Stromski <j.stromski@...
      > <mailto:j.stromski%40sbcglobal.net>>
      > Subject: Re: [Michalak] Re: MDO
      > To: Michalak@yahoogroups.com <mailto:Michalak%40yahoogroups.com>
      > Date: Thursday, September 3, 2009, 6:26 PM
      >
      >
      >
      > My recently completed AF4 is a combo of the 2 materials referenced
      > below. 1/2" MDO (unknown brand) for the bottom, and 1/4" 5ply Baltic
      > Birch "premium underlayment" for the sides. Both purchased from the
      > local Menards. Both materials seemed of a very high quality and I'm
      > happy with the finished results. Put a layer of cloth on the bottom, wet
      > out with graphited epoxy for abrasion resistance. The balance of the
      > boat was epoxy coated, primed with Benjamin Moore oil based primer, and
      > painted with oil based gloss porch and floor enamel from True Value. I'm
      > certainly hoping the materials are long-lived, of course only time will
      > tell.
      > Regards to all,
      > Joe
      >
      > recree8 wrote:
      > >
      > >
      > > For those not familiar with MDO - the spec sheets for the various kinds
      > > are at this site:
      > >
      > > http://www.olypanel .com/signMaking/ <http://www.olypanel
      > .com/signMaking/>
      > >
      > > The Crezon /Two Step is about the best "bang for the buck" whereas the
      > > Signal is the premium quality brand and lighter in weight. Both are far
      > > superior to marine grade fir plywood.
      > >
      > > The big advantage with this is that the suface has been Heat and
      > > pressure sealed with a resin overlay that totally prevents checking and
      > > is ready to paint and engineered to use polyurethane- acrylic paints and
      > > caulking used for exterior house finishing. No epoxy/fiberglass
      > > finishing is required except below the waterline for better
      > > waterproofing or if finicky, to prevent abrasion wear on the deck
      > > surface.
      > >
      > > Disadvantage is it cannot be finished bright, but I would suggest this
      > > applies to most plywood.
      > >
      > > The topsides on my boat have been primed with epoxy coating before the
      > > paint but that is sort of a belt and suspenders option.
      > >
      > > But - and this is a big BUT - there is now imitation MDO arriving from
      > > off-shore I have heard and all bets are off with that. My supplier told
      > > me that if it doesn't have "Made in USA" or "Made in Canada "stamped on
      > > the edges of each sheet it is not the real stuff.
      > >
      > > My guys have also suggested there is some pretty good "Baltic Birch"
      > > coming in from Europe that is made to high standards. Now birch veneers
      > > are supposed to be rot prone, but if properly protected will last a long
      > > time. There is a boat builder in Poland who uses it and has great
      > > success, and many kayaks are made with it over there.
      > >
      > > Nels
      > >
      > > --- In Michalak@yahoogroup s.com <mailto:Michalak% 40yahoogroups. com>,
      > > "recree8" <arvent@...> wrote:
      > > >
      > > > Chris,
      > > >
      > > > On two occasions I "piggy-backed" an order of thinner MDO on a bulk
      > > order of construction weight stuff at my supplier and was not charged
      > > any freight.
      > > >
      > > > Heavier MDO is used for concrete forms, and some is used in other
      > > areas of home construction. I wanted 3/8" crezone and they only had 5/8"
      > > in stock.I ordered 10 sheets and had to wait. The next day I got a call
      > > it was on its way and was nicely wrapped and strapped with two sheets of
      > > luan on the outside for protection. They threw it in too:-)
      > > >
      > > > Obviously this would not happen with marine grade as it is not used in
      > > home construction but it is always worth a try to tell the retailer what
      > > you want it for and see if they can help you.
      > > >
      > > > I do know that Olympic panel products are used to doing this as their
      > > sales rep told me about it!
      > > >
      > > > http://www.olypanel .com/concreteFor m/faq.php
      > > <http://www.olypanel .com/concreteFor m/faq.php>
      > > >
      > > > Not sure if that helps you though. What are you building?
      > > >
      > > > Nels
      > > >
      > >
      > >
      >
      > [Non-text portions of this message have been removed]
      >
      >
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