I didn't want to drop the cash on fiberglass cloth for such a small, strange boat, so I decided just to tape the seams Epoxy + tape on the seams is supposed to waterproof the joints for the bottom so that should be all it takes. I ordered the tape online, plus some supplies like mixing cups and before I know it I was getting sticky.
The technique was to apply epoxy with a brush, then force the tape into the wet parts. Then add more epoxy until the product had turned the tape clear. This LiquidWood stuff is supposed to fill and seal, and I didn't know how it was going to act. Maybe the joints weren't tight enough? Maybe it did work after all.
|cut and glue|
|All the tape & epoxy is on the bottom seams! First coat is done.|
|Closeup of the stern, lots of overlapping|
|Closeup of the transom|
Eventually I did figure out the solution. Sawdust. I thickened the epoxy with sawdust when I filled the inside of the same joints. It cured fine, and got pretty hard. Also filled the joints really well too. I went back and rubbed sawdust into the sticky parts that were taking a long time to cure on the outside too, and it worked great. The next day everything was smooth and ready to paint!