Join Date: Dec 2008
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Looking at your first picture, your frames appear to be the same as on my 1973 Catalina 27. Catalina Direct sells the resealing kit for ~$100, including the seals which go inside the frame between the window and the aluminum frame, a rubber trim piece which sits on the inside of the frame, a couple of tubes of 4200 to seal the finished frame to the boat, a tube of polyurethane/silicone sealer to seal the glass to the frame, and masking tape. (And step by step instructions, which were pretty easy to follow after studying them a bit.)
It would be cool if there was a Catalina in your neck of the woods for you to look at and see if the frames are indeed the same.
After removing all the interior sheet metal screws, I used a mallet to insert a putty knife bit by bit all around between the aluminum frame and the fiberglass of the boat. Once loosened all around, the frame popped out easily.
Then it was a matter of disassembling the two piece aluminum frame, cleaning off all the old sealant, and reassembling.
Once I had some practice, it took ~2 hours deadlight/window.