Home / Forums / Melodica construction, repair and maintenance / Refinish of Yamaha P-32D / Reply To: Refinish of Yamaha P-32D Reply To: Refinish of Yamaha P-32D August 9, 2016 at 6:53 pm #7466 Alan BrintonParticipant Kilz is a brush-on or roll-on primer, MM. Do you apply it with a brush? Do you then sand or wet sand before applying the Krylon?