Hi Mark,
If you are going to use a smoke colored acrylic, you don't need to
disguise the gelcoat damage with paint or anything else. The darker
acrylic will hide the damage completely. I just faired the damaged gelcoat
with and epoxy based fairing compound and sanded it flat. I applied the
VHB tape over the faired gelcoat. and it adhered fine. I am into my second
season with the new windows and they look terrific with no leaks. If you
have the old windows off, you have the worst part behind you.
Gary
S/V Kaylarah
'90 C&C 37+
East Greenwich, RI, USA
~~~~~~~_/)~~~~~~
On Mon, Apr 24, 2017 at 4:26 PM, Dr. Mark Bodnar via CnC-List <
[email protected]> wrote:
>
> Got my sheet of plexiglass for my window replacement.
>
> This weekend I started by removing 2 of the old surface mounted windows to
> use a templates. I used a small paint scraper/putty knife and a hammer to
> split the bond between the plexi and the boat. It wasn't painless - but
> worked fairly well with I think minimal damage (I seem to recall a
> suggestion from this list not to "pry" the window off but chisel all the
> way around to minimize the gel coat damage).
>
> Now I'm wondering if there are any specific recommendations to clean up
> the area before putting on the new windows?
>
> I'll need to scrape or sand off the remaining plexus and surface coat over
> the damaged areas. Don't think it needs to look pretty because it will all
> be covered with the new dark plexi - plus I'll spray black on the back of
> the plexi where it's going to be against the hull. I'll try a scraper and
> random orbital sander to get the plexus down - as long as I've got a solid
> surface for the VHB tape to adhere. For the damaged gel coat - skim with
> some thickened epoxy and then some gel coat or just paint? Or does it need
> any covering given it will be protected from UV by the plexiglass?
>
> My plan is to cut the new windows about 1/2" larger all around to cover
> any damage or discolouration.
>
> Any advice on how to get the remnant plexus off or best repair method is
> appreciated.
>
> Mark
> CS 30 - Prosecco
>
> --
>
>
>
> There is no cure for birth and death save to enjoy the interval.
> - George Santayana
>
>
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