How Do I Clean Siding with a Pressure Washer?
Pre spray* the siding**with Oil Eater 10 parts water to 1 part Oil Eater. Work from the top down. Allow 5 minutes dwell time. Rinse with your pressure washer.
Without a pressure washer: Prespray the siding**with Oil Eater 10 parts water to 1 part Oil Eater using a pump up sprayer. Allow 5-6 minutes dwell time. Treat any specific stains such as tree sap or bird droppings with Oil Eater full strength. Agitate with a soft bristle brush or broom. Rinse with water.
*Prespraying any surface with a pressure washer should be done at low pressure. If your pressure washer doesn’t have this option, use a pump up sprayer.
**Rinse any over spray on windows before it dries.