Fill primer is a spray paint that fills in small cracks so that an extremely smooth surface can be achieved after sanding. Wetsanding helps keep the sandpaper from clogging and also prevents dust from getting into the air.
Fill primer is a spray paint that fills in small cracks so that an extremely smooth surface can be achieved after sanding. Wetsanding helps keep the sandpaper from clogging and also prevents dust from getting into the air.