For skirting and architrave with water-based paint, I've found that I get the smoothest finish if I first use a brush (strokes in one direction) to get into the details/grooves, and then roll over with a foam mini roller. May seem a bit excessive, but the results are good.
For skirting and architrave with water-based paint, I've found that I get the smoothest finish if I first use a brush (strokes in one direction) to get into the details/grooves, and then roll over with a foam mini roller. May seem a bit excessive, but the results are good.