Master Core Spraying Technique
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How To Spray A House With A Paint Sprayer. House Painting Instructions. home improvement painting
What happens here
Begin spraying your chosen siding section from a logical start point, moving the spray gun smoothly and steadily. It is generally recommended to work from the top of the house downwards to prevent drips from affecting already painted lower sections. For lap siding, ensure your gun is angled slightly upwards to shoot paint into the 'holes' or undersides of each lap, providing complete coverage and preventing unpainted lines, especially when changing the paint color drastically. After spraying a pass, overlap the next pass by 50%. This consistent overlap ensures uniform paint coverage and thickness (mil thickness), which is vital for the paint's durability and to adhere to any manufacturer's warranty. Maintain a slow, steady travel speed to apply the correct mil thickness; too fast results in thin coverage, and too slow causes heavy runs. Periodically, you can use a mil thickness gauge to check for proper wet film thickness.
Goal: Achieve even, complete paint coverage with proper thickness and no imperfections.
Tools and materials
- Airless sprayer — Applying paint to the siding
- Mil thickness gauge Sunshine Painting — Measuring the wet film thickness of the applied paint
- Spray gun extension — Extending the reach of the spray gun
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