Which of the following is NOT an approved method to apply residential and commercial coatings?

• A. By roller.
• B. Spraying equipment.
• C. Dipping.
• D. By applicator (pad/cloth).

Answer: (C)

Applying coatings to buildings relies on methods that give you controlled film thickness, good adhesion, and safe, efficient coverage. Dipping means submerging the surface or parts in the coating, which isn’t practical for walls or large surfaces. It makes it impossible to control thickness across an entire area, leads to drips and runs, wastes material, and complicates ventilation and cleanup. The other methods are standard: rolling provides even coverage on flat surfaces, spraying equipment covers large areas quickly with proper masking and ventilation, and using an applicator pad or cloth works for specific finishes or touch-ups where a thin, precise layer is needed. So dipping isn’t an approved method for typical residential and commercial coating applications.