How can overspray be prevented?

• A. Using thicker coats
• B. Proper masking and spray technique
• C. Skipping masking
• D. Using water-based thinner

Answer: (B)

Preventing overspray comes from creating barriers and controlling how you apply the finish. Proper masking and spray technique work together to keep paint on the intended area. Masking uses tape, paper, or film to cover surrounding surfaces and seal the edges so paint can’t drift onto areas you don’t want to coat. This physical barrier is essential because spray can travel with the pattern, drift from the surface, or creep under edges if gaps exist.

Equally important is how you apply the coating. Maintain a consistent distance and angle from the surface, use smooth, even passes, and overlap each pass slightly. Use light, mist coats rather than one heavy layer. This helps control the amount of paint that lands and reduces runs and drift, which directly minimizes overspray. Between coats, if needed, allow proper dry time to prevent tackiness that can worsen overspray.

Surface prep and masking quality matter too—clean, secure masking won't lift or peel, and ensures edges stay sharp. The other ideas don’t directly address the main ways overspray occurs: applying thick coats tends to push more paint beyond the target, skipping masking leaves exposed areas open to overspray, and thinner choices relate to material compatibility rather than how to physically limit spray drift.