[bolger] Re: ply sources

Peter, thanx for clearing up the MDO question. Something else to put on my quest list. Ironically the hard lesson I learned about kitchen birch was from making an exterion sign for a friend. Looked like a busted bag of potato chips by spring.

jeb
Peter Vanderwaart wrote:
> as I know. Since it is intended for exterior signs, it is waterproof. There
> is also a 'high density overlay,' I suppose.

I have a utility wagon that has a 'high density overlay" bed. Some sort
of resin coating over the wood.

I've intentionaly let the kids leave it outside for the last year or so.
No warping, but sections of the top layer are starting to delaminate.
--
Richard
Spelling|richard@...|http://www.spellingbusiness.com
SBE Communications, Business Solutions for the next Millennium and
Beyond!
Boat building projects:http://www.spellingbusiness.com/boats/
MDO is 'medium density overlay.' It is plywood with a paper surface made for
painting. It is used for exterior signs, etc. In MAIB, there was an article
about building a Fast Motorsailer out of MDO and it was satisfactory, as far
as I know. Since it is intended for exterior signs, it is waterproof. There
is also a 'high density overlay,' I suppose.

Peter

Jack Bearden wrote:

> I know you're kidding about the birch veneer, but if anybody out there
> doesn't know, NEVER use kitchen grade cabinet ply on a boat. Most of it's
> not made with waterproof glue. What by the way is MDO?
>
> jeb, who learned the hard way about cabinet ply, even on the Fundy shore
>
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bearde-@...(jack bearden) wrote:
original article:http://www.egroups.com/group/bolger/?start=2265
> I know you're kidding about the birch veneer, but if anybody out there
> doesn't know, NEVER use kitchen grade cabinet ply on a boat. Most of
it's
> not made with waterproof glue. What by the way is MDO?
>
> jeb, who learned the hard way about cabinet ply, even on the Fundy
shore
>
> Jack, MDO is medium density overlay. It is used in outdoor
advertising and according to the factory, they use marine type glues in
laminating. It comes in one sided or two with a thin film. I don't
know what the film material is. I bought one sided for Micro Trawler.

George Shannon
I know you're kidding about the birch veneer, but if anybody out there
doesn't know, NEVER use kitchen grade cabinet ply on a boat. Most of it's
not made with waterproof glue. What by the way is MDO?

jeb, who learned the hard way about cabinet ply, even on the Fundy shore
The more I thought about this, the more it seemed silly to restrict
yourself to boatbuilders. All kinds of tradesmen, like kitchen and bath
remodelers, use plywood in steady but small quantities, in both rough
construction grades and cabinet-level grades. A birch veneer could be
quite stunning, properly varnished.

Seriously, you might find someone with a source for MDO, for example.

Peter


> Good thought, and one I'll continue to pursue. So far the builders
around
> here I've checked that order any quantity are geared toward lobster
and
> scallop boats and cape islanders. They don't bother with marine ply
at all,
> only construction grade.
>
> jeb, snooping my way along the Fundy shore
> >
> >
At 08:20 PM 2/1/2000 -0500, you wrote:
>
>For those of you without a nearby source of ply, I would ask if there is
>a boatbuilder near you. Perhaps you could piggyback on a bigger
>builder's order and keep shipping costs down.
>
>Peter

Good thought, and one I'll continue to pursue. So far the builders around
here I've checked that order any quantity are geared toward lobster and
scallop boats and cape islanders. They don't bother with marine ply at all,
only construction grade.

jeb, snooping my way along the Fundy shore
>
>
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>
For those of you without a nearby source of ply, I would ask if there is
a boatbuilder near you. Perhaps you could piggyback on a bigger
builder's order and keep shipping costs down.

Peter