[Public-list] Filling Holes

[Mike Lehman]

George

You mention something here that is very important, "sensitivity of my hand 
to the hardener". Once someone develops a sensitivity to epoxy, they may 
never use it again. That is why it is so important to have proper breathing 
equipment and not allow it to have contact with your skin.



Mike Lehman
~~~_/)_/)~~_/)~~~




----Original Message Follows----
From: George Dinwiddie <gdinwiddie at alberg30.org>
Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
Subject: Re: [Public-list] Filling Holes
Date: Tue, 14 Mar 2006 19:20:10 -0500

Meinhold, Michael J wrote:
 > Thanks, George.
 >
 > I would do this for any structural element that needed repair, but is it
 > neccessary for filling the holes in the compass cutout?  I presume laying 
up
 > 3 layers of mat and cloth would raise the surface 1/4 inch or so, and it
 > would be difficult to fair it out over such a small space.  Would epoxy 
have
 > any tendency to pop out of a hole like this?

It won't raise the surface.  You'll be putting the mat and cloth in the
holes and on the bevel you grind, not on top of the finished surface.

The holes are too big to fill with an epoxy putty, and laying up epoxy
laminates is a lot less forgiving than polyester.  It also means you can
never do a polyester repair in that location, again.

I really don't understand why everyone wants to repair a polyester boat
with epoxy.  Epoxy is not magic stuff.  It has some advantages over
polyester (adhesiveness, more waterproof, fewer VOCs), but also some
disadvantages (sensitivity to UV, sensitivity to mixing accuracy,
sensitivity to application, sensitivity of my hand to the hardener).

   - George

--
   ----------------------------------------------------------------------
    When I remember bygone days                         George Dinwiddie
    I think how evening follows morn;            gdinwiddie at alberg30.org
    So many I loved were not yet dead,           http://www.Alberg30.org
    So many I love were not yet born.
                 'The Middle' by Ogden Nash
   ----------------------------------------------------------------------



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