Building the "Swiss Army Knife" of Small Boats...Wood Duck Double #16: Fiberglassing the Underside of the Deck

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Blog entry by DustyMark posted 07-02-2020 06:02 PM 448 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 15: Fiberglassing the Inside of the Hull Part 16 of Building the "Swiss Army Knife" of Small Boats...Wood Duck Double series Part 17: Stitching the Hull and Deck Together »

Cleaning Up the Inside of the Hull

The epoxy from the first coat on the inside of the hull had cured about 12 hours. It wasn’t at final hardness, so this was a good time to clean up the fiberglass frays that formed during application.

A carbide scraper and a little sanding did the trick. I like the scraper since it doesn’t gum up when the epoxy is still not at final cure.

I applied the second coat of epoxy to the inside of the hull after cleaning it up a bit. I used a bristle brush to get it in the corners and then spread it out with a soft plastic bondo spreader.

Fiberglassing the Deck
The deck is easier to work since there aren’t any bulkheads to work around.

I taped the deck seams like the hull. The thickened epoxy is squeezed into the joints using a one-quart freezer bag with the corner cut off. This is incredibly effective.

Bondo spreaders with various radii cut in them work well to form the fillets.

Tape is removed prior to applying fiberglass tape.

Fiberglass tape is applied and the entire deck has one coat of epoxy. I’ll apply a second coat this evening.

Copper Wire for Stitching
Chesapeake Light Craft is stingy with the copper wire for stitching. I’ve already used the kit contents and the extra roll I purchased. I ordered more over the weekend, but it won’t arrive until next week. No problem, I’ll use that wire on the sailing amas. I found some 18-gauge bare wire at the hardware store that will work fine for tomorrow’s step.

Permanently fastening the the hull and deck to each other.

-- Mark, Minnesota

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