What is the recommended overlap percentage when using an airless spray gun?

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Study for the California C-33 License Exam with comprehensive questions and detailed explanations. Prepare for success with our targeted practice quizzes and enhance your understanding of painting and decorating contractor requirements.

Multiple Choice

What is the recommended overlap percentage when using an airless spray gun?

Explanation:
Overlap refers to how much of the previous pass is re-covered by the next pass to create an even coat. With an airless spray gun, about a 50% overlap is standard because it provides enough edge coverage to prevent gaps and holidays while avoiding excessive buildup where passes double over. Using only 25% overlap can leave visible gaps and lines between passes, while 75% or 100% overlap leads to heavy edge buildup, runs, and wasted material. So aim for roughly half of the spray pattern to be covered by each pass, adjusting slightly for the width of your pattern at your working distance and the surface texture.

Overlap refers to how much of the previous pass is re-covered by the next pass to create an even coat. With an airless spray gun, about a 50% overlap is standard because it provides enough edge coverage to prevent gaps and holidays while avoiding excessive buildup where passes double over. Using only 25% overlap can leave visible gaps and lines between passes, while 75% or 100% overlap leads to heavy edge buildup, runs, and wasted material. So aim for roughly half of the spray pattern to be covered by each pass, adjusting slightly for the width of your pattern at your working distance and the surface texture.

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