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Message from discussion Best glue for plywood in damp environment?
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Lew Hodgett  
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 More options May 14, 1:08 pm
Newsgroups: rec.boats.building
From: "Lew Hodgett" <lewhodg...@verizon.net>
Date: Wed, 14 May 2008 17:08:05 GMT
Local: Wed, May 14 2008 1:08 pm
Subject: Re: Best glue for plywood in damp environment?

<j...@thecottage.com> wrote:
>    I need to build a base plate (25x25") out of regular exterior
> plywood that will be a total of 3" in thickness.
>     It will be in a damp (not wet) and dark environment, under the
> center  of a gazebo, about 1 foot off the ground.

I'd use 6 layers of 1/2", 4 ply, CDX plywood, epoxy and microballoons.

Use fairing putty(epoxy & micro-balloons) to fill the surface voids in
the ply proud.

When cured, sand smooth.

Epoxy 3 ply pieces together, let cure, then do a final glue up to get
a 6 piece fabrication.

Glass over the plywood with a couple layers of 17 OZ, +/- 45 glass and
epoxy.

Allow to cure about 10 days, and you're finished.

BTDT

Lew


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