I too would suggest removing all of the original Plexus. That’s what I did prior to painting the decks. It cannot be described as either easy or fun but given the time and money you may be spending, it would be best to get it right from the git-go.
Best, Dave Godwin 1982 C&C 37 - Ronin Reedville - Chesapeake Bay Ronin’s Overdue Refit <http://roninrebuild.blogspot.com/> > On May 16, 2017, at 12:13 PM, Dennis C. via CnC-List <cnc-list@cnc-list.com> > wrote: > > I used to be a marine repair "pro". Couple years ago I did a port > replacement on a boat that had ports mounted similarly to C&C's. The first > thing I did was to remove ALL the old sealant and properly prep the adhering > surface. IMHO, and from years of marine repair, proper preparation is 80-90% > of a quality job. > > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > On Tue, May 16, 2017 at 11:07 AM, Dr. Mark Bodnar via CnC-List > <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote: > > I considered the same thing - if the plexus is well adhered then why not just > leave it there? > > But some of the plexus was not well adhered - some came off fairly easily > with just hand pressure on a chisel. I decided I didn't want to finish the > job to discover that the foundation attachment was weak in spots and in need > of replacement. > > That said I couldn't "pull" my plexus off -- it was rock hard and had to be > chipped away > > Mark > > CS30 Prosecco > There is no cure for birth and death save to enjoy the interval. > - George Santayana > On 2017-05-16 12:35 PM, Bruce Whitmore via CnC-List wrote: >> Hello all, >> >> I am looking to your collective wisdom on the fixed port replacement on our >> 1994 C&C 37/40+. I am aware of the recommendations regarding VHB and Dow >> 795. >> >> Due to time constraints, I am having a highly recommended pro do the work, >> and he removed one of the ports today. He asked a reasonable question, >> since the plexiglass peeled off without pulling any of the Plexus off the >> gelcoat. When he tried to pull a bit of the Plexus off, as many of you have >> commented, it also pulled some of the gelcoat. The Plexus also quite hard. >> >> So, if the Plexus is so well adhered, and it will be very stubborn to come >> off the gelcoat (and do damage in the process), Should I just leave the >> Plexus in place and allow the VHB to attach to it? >> >> I understand the thickness of the VHB might make the window stand out a >> little proud from the fiberglass by comparison, but I'm not sure that's a >> bad tradeoff compared to trying to remove something that might serve as a >> good substrate anyway. >> >> Thoughts? >> >> Your input is greatly appreciated! >> >> Bruce Whitmore >> >> (847) 404-5092 <tel:(847)%20404-5092> (mobile) >> bwhitm...@sbcglobal.net <mailto:bwhitm...@sbcglobal.net> >> >> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you wish >> to make a contribution to offset our costs, please go to: >> https://www.paypal.me/stumurray <https://www.paypal.me/stumurray> >> >> All Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray <https://www.paypal.me/stumurray> > > All Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
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