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How to apply elastomeric paint
Power wash the surface for a sure clean.
The best way to ensure your surface is clean is to power wash it at a pressure of 2 , 000 to 2 , 500 psi. It's always a good idea to test the pressure on your surface, because it can cause damage.
You may need to use a lower pressure or another cleaning method if washing at these pressure levels causes damage. Don't add cleaner or bleach to the water when power washing.