this is part 2 of refinishing my Wigeon Duck boat. We are patching and sanding the bottom.

Using EverCoat Formula 27 Marine All purpose Filler for the patches. And Resin / Fiberglass cuts for the big dents / holes. All purchased from West Marine.

Then Using 80 grit sand paper (for fiberglass) after 20 min cure time to sand down. Sand Paper purchased from Ace Hardware.