"Danielle Anderson" wrote in message
.. .
Waterproffing is not the problem here. Pretty much ALL plywood is made
with
waterproof glue. Marine plywood is about the highest grade of plywood due
to it's ridgid spec requirement. Most plywood contains numerous cracks,
voids, and large knots in the interior laminations. Often they will be
repaired on the outside layers only. Marine plywood has very few cracks,
NO
voids, and knots must be under 1/2 inch. Pay the extra money and only do
the job once. Cut this cost corner at extreme risk of failure.

Jon


"Pop" wrote in message
...
Has anyone used the 1/2 in. plywood from China, Home Depot has this but
it
is interior grade, colud it be used for boat building if it was
completely
sheathed in a waterproof material.

Use some Chinese tools, burn some Chinese bulbs, drive a chinese car, and
then make your decision. Remember, most of the time you get what you pay
for.

Kevin

I was out paddling a new plywood box this week as soon as the ice was off
the pond. I like the really cheap virola underlayment from Home Depot for
it's light weigth and flexibility and use if for boatbuilding but don't
recommend it. After paddling around in the pond for an hour or so I
noticed a crack in the thin face ply on the bottom about 4 ft long. At
home I poked a blade into the crack and found it was a longitudinal seam
between two sheets of veneer. Looks like the face veneers were not edge
glued so I scraped out the seam and after leaving it to dry for a day
filled it with epoxy mixed with home made wood flour.

Virola is not from China. It's from Brazil.


--
------------------------------------------------------------------------------
William R Watt National Capital FreeNet Ottawa's free community network
homepage: www.ncf.ca/~ag384/top.htm
warning: non-FreeNet email must have "notspam" in subject or it's returned

Right, but what's your "mission?" I've been reasonably satisfied with most
Chinese tools, by:

- regarding them as expendable

- ignoring aesthetics

A case in point, my angle grinders, on sale for about ten dollars (vs Bosch
at $70). They sound terrible (square cut gears), and they get hot, but they
remove weld metal and I don't cry when I drop one.

I'm a hobbyist. If I were trying to earn a living with them, it would be a
different matter.

Roger

http://home.earthlink.net/~derbyrm

"Kevin Gunther" wrote in message
...
Use some Chinese tools, burn some Chinese bulbs, drive a chinese car,
and then make your decision. Remember, most of the time you get what
you pay for.

Roger Derby wrote:
Right, but what's your "mission?" I've been reasonably satisfied
with most
Chinese tools, by:

- regarding them as expendable

- ignoring aesthetics

A case in point, my angle grinders, on sale for about ten dollars (vs
Bosch
at $70). They sound terrible (square cut gears), and they get hot,
but they
remove weld metal and I don't cry when I drop one.

I'm a hobbyist. If I were trying to earn a living with them, it
would be a
different matter.

Roger

http://home.earthlink.net/~derbyrm

"Kevin Gunther" wrote in message
...
Use some Chinese tools, burn some Chinese bulbs, drive a chinese
car,
and then make your decision. Remember, most of the time you get
what
you pay for.

I guess I am what you might consider an "extreme hobbiest" then. But I
still insist on high end tools. The ten dollar grinder will not be
balanced like the Bosch or Porter Cable so it will leave rings and will
lead to much more hand sanding, and a loss of much material and time.
Even if you are a hobbiest, you want your project to be good, weather
it is aesthetics, structural integerity, whatever, you will have a
better project with better tools. We are very particular from baseball
gloves, to computer printers, to athletic socks, we find that life is
easier with better tools, it just is.

As to the plywood question, it fits the mold. If you want no voids,
repaired knots, and thin skins, go with marine plywood. If you want to
have a piece of material that is all that, no rubber plugs, equal plys,
and it bends fair (no interior knots) and stays well, etc.. Go with
something rated as BS1088. Not only is it structurally superior, but it
makes working the wood a pleasure instead of blasting through that
yellowpine splintered crap they sell as marine ply now adays.. Just a
rant, Scotty