I can personally vouch for all of the Ralph Lauren Paint products for I have used them for the past 3 1/2 years. My advice to you would be to call the customer help line at 1-800-379-POLO (7656) during the week and explain your difficulties. We have many professionals that staff that line that can talk you through the process. I don't have enough info to help you out here, but please feel free to call our customer service line. I have done many projects and witnessed many projects that look outstanding.