I will second doing anything but trying to grind down Plexus. My Lewmar hatch
handles were glued with it and after 18 years, 2 handles
were inadvertently broken away from the Plexiglas hatch by misadventures of my
crew.
I would have ground the handles to dust before removing the old Plexus from
them.
Decided that if it was that tough, I was going to re-glue them with the same
stuff (as recommended by Lewmar), leaving the hardened Plexus residue in place.
In spite of the pressure each handle is under when fully closed and that there
is nothing but the Plexus holding the handle on the Plexiglas,(no bolts or
screws--nothing!)
both repairs are holding fast.
Seeing the tenacity of the bond, I don't know how my crew was able to break the
handles away without breaking the Plexiglas--it was probably saved
by its thickness. I would never want to glue anything together that I might
need to separate some day with that stuff!
Like a properly epoxied wooden boat, where the wood will split before the epoxy
bond lets go, I think in any relatively large Plexus glued surface,
one or the other surface would give way before the glue would.
Charlie Nelson
S/V Water Phantom
cenel...@aol.com
-----Original Message-----
From: Gary Russell via CnC-List <cnc-list@cnc-list.com>
To: C&C List <cnc-list@cnc-list.com>
Cc: Gary Russell <captnga...@gmail.com>
Sent: Wed, Nov 11, 2015 4:34 pm
Subject: Re: Stus-List Replacing windows - repairing gelcoat
Dennis,
Fortunately, most of the gel coat damage is under the plexiglas, so it
won't be visible once the VHB and acrylic is in place. Since 95% of the Plexus
is in tact, I am considering filling the chips in the Plexus / gel coat with
epoxy thickened with silica and calling it a day. I would do less damage and
it would be less work. Once the windows were in place you would never see it.
Gary
S/V High Maintenance
~~~~~~~_/)~~~~~~
On Wed, Nov 11, 2015 at 3:29 PM, Dennis C. via CnC-List <cnc-list@cnc-list.com>
wrote:
If the gelcoat damage is just chips, you might consider gelpaste. Spectrum
color makes very nice gelpaste in many custom colors. Gelpaste fixes dings and
chips very well.
Unfortunately, I have no clue which color works best on our boats. They only
have tinted gelpaste for newer boats, like 2006 and newer. If it were me, I'd
wander around and find a newer boat that seems close to mine and see if
Spectrum Color has a gelpaste for that boat. You can go to a paint store and
get samples to compare.
Dennis C.
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