Here the screw heads are getting filled in and the filler sanded flush so the joints can be fiber glassed:
Closeup showing the screw heads filled with marine filler and sanded down:
All the screw heads are filled!:
Here the screw heads are getting filled in and the filler sanded flush so the joints can be fiber glassed:
Closeup showing the screw heads filled with marine filler and sanded down:
All the screw heads are filled!: