Friday, January 23, 2015
Fiberglassing
Once the boat looked all nice and shiny with perfect wood grain showing through the epoxy finish, it was time to mess it up...big time. So I fiberglass taped and epoxied the joints. I started with the keel joint and used 6" wide tape.
After trying some different epoxy filler to fair in the tape edges and finding sanding difficult, I went and bought some West Systems 407 fairing filler. Since the bottom will be painted, I got over the need to keep the wood pretty and figured I may as well use the right stuff for the application at hand. This filler is supposed to be mohoghany color, but it reminds me of chocolate milk. I slapped it in the areas needed to smooth out the tape transitions and sqeegeed it into a somewhat smooth surface. After curing, sanding with an orbital sander and 80 grit paper worked well and edges could be feathered and surfaces smoothed quite readily. At some point in this process, my wife came down and said "What the Hell?". I quickly explained "It all gets painted later". So it all looked like hell, but was smoother. I kept with just clear epoxy on the sides so I can keep the natural finish, but unthickened epoxy runs and sags like crazy (after you leave the room - just to be sneaky) so its a bit of work to scrape and sand them out.
Then I fiberglassed the transom as suggested in the video to get some practice and confidence. The cloth was cut and taped in place to overlap the bottom by 1-2" and trimmed to fit over the sides a like amount. Corners were smoothed into shape without cutting. Epoxy was rollered in and it all went smoothly. After cure, the edges were sanded down to feather in.
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