Never start off on the highest pressure setting.
How to pressure wash hardiplank siding.
You may need to repeat.
Clean the stained siding while rinsing your cloth frequently.
Grab your soft cloth and saturate it with soapy water.
Keep a minimum distance of 6 feet from the wall.
Mix a mild dish detergent and water in a bucket until you have sudsy water.
Do not allow soap or cleaners to dry on the siding.
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.
Dip a soft cloth into the mixture and saturate it well.
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.
Once the siding is completely sudsed up use a garden hose to rinse the area.
How to pressure wash fiber cement siding 1.
A 3000 psi consumer grade gas pressure washer is a great choice for cleaning fiber cement.
It s best to avoid pressure washing if you can since it can result in damage to the siding finish.
If the dirt on the home is minimal then try the soap and brush method with a garden hose first.
Rub the oil or grease off the siding.
Use pressures under 1500 psi.