After filling with CWF and sanded down primer/filler I had a lot of raised grain. This really shows up on the first white undercoat.
In addition to the raised grain there was some open grain pores throughout.
Light sanding will get rid of the raised pore lines. This is pretty much dry sanding. A wet sand might get into the thin coat of paint and swell the wood. The open pores got a fill with more CWF. The excess was taken off with a razor blade so there will be very little to sand off.
The white undercoats act as a final filler when sanded down.
Look close around the upper launch lug. much of the Titebond M&TG fillet "boogers" have been sanded to surface.
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