Tango71 wrote:
> I found this on the internet and though it would be good to post it
> up.
>
> http://www.hares.net/boat/waterproofing.htm
>
The warship combat guys have been using that technique for over twenty
years to waterproof their wooden boats. Indeed, it does a good job, but
it has one drawback ... the resulting surface won't take paint or glue
well if you use standard polyester resin (from the boat or auto store).
Standard resin includes a "wax" that helps it to cure properly when
used on an outer surface. Of course, the wax also prevents paints and
glues from sticking properly. "Laminating" resin (which you usually
need to buy from a fiberglass supplier) contains no wax at all, but it
needs to be isolated from air to cure properly, so it doesn't work well
for coating outer surfaces.
So, if you don't need to paint the final surface, polyester resin is a
good way to waterproof wood surfaces.
NOTE: A 3:1 acetone-to-resin mix is overkill. I've never needed to use
even a 1:1 ratio to make it watery enough to be absorbed into the wood.
Frank P.
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