How To Pressure Wash Hardiplank Siding

Do not allow soap or cleaners to dry on the siding.

How to pressure wash hardiplank siding.

Dip a soft cloth into the mixture and saturate it well. You may need to repeat. It s best to avoid pressure washing if you can since it can result in damage to the siding finish. A 3000 psi consumer grade gas pressure washer is a great choice for cleaning fiber cement.

Keep a minimum distance of 6 feet from the wall. Once the siding is completely sudsed up use a garden hose to rinse the area. Choose a pressure washer. Use pressures under 1500 psi.

Never start off on the highest pressure setting. Instead continually rinse the area until all of the soap has washed off of the siding. Rub the oil or grease off the siding. Starting low and gently working your way up is the safest bet.

Mix a mild dish detergent and water in a bucket until you have sudsy water. A pressure washer can quickly ruin vinyl siding by cracking it with the high pressure stream of water so it s necessary to know which pressure level and nozzle to use. Grab your soft cloth and saturate it with soapy water. If you re spraying mold and mildew off of your siding you should use more than just water.

Rinse out your cloth in the bucket frequently to prevent grease and oil buildup.