The seatback lockers had previously received four coats of primer, and while I was waiting for the third coat of gloss to harden I decided to start work on the locker interiors.
They too would be repainted with gloss, meaning that the primer would need to be sanded.
The finish did not matter where it could not be seen, as long as a protective coat was in place.
However, the finish did matter where the interior was visible. Meaning the forward bulkhead face, the back wall, and the floor.
Here I am trying various techniques.
The only tool which really worked was a small 'rubber' made of rolled up cardboard and tape, and some P180 grit.
This is it.
I made a selection of these rubbers when shaping the epoxy resin fillets, and they worked well.
This small one was ideal for reaching into the lockers and carefully sanding to a smooth finish where it mattered.
It took a surprising amount of time to achieve a good result, but we got there.
This is the port locker, ready for gloss paint.
The next task is sanding the upper hull ready for the fourth coat of gloss.
Progress indeed...