To fix roller lap marks and flashing, it's essential to understand the factors that contribute to these common painting issues. Roller marks can occur due to uneven application, inadequate paint, or improper technique. Flashing, on the other hand, is often a result of varying sheen levels or surface preparation. Consider the type of paint you're using, the roller nap, and the environmental conditions during application. Properly preparing your surfaces and using the right tools can make a significant difference. Curious about the best practices to achieve a flawless finish? Ask Improvi.ai for personalized guidance!