Rinse out your cloth in the bucket frequently to prevent grease and oil buildup.
How to pressure wash hardiplank siding.
It s best to avoid pressure washing if you can since it can result in damage to the siding finish.
Starting low and gently working your way up is the safest bet.
How to pressure wash fiber cement siding 1.
Once the siding is completely sudsed up use a garden hose to rinse the area.
Mix a mild dish detergent and water in a bucket until you have sudsy water.
Use pressures under 1500 psi.
If you re spraying mold and mildew off of your siding you should use more than just 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.
Keep a minimum distance of 6 feet from the wall.
Grab your soft cloth and saturate it with soapy water.
A 3000 psi consumer grade gas pressure washer is a great choice for cleaning fiber cement.
Dip a soft cloth into the mixture and saturate it well.
You may need to repeat.
Do not allow soap or cleaners to dry on the siding.
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.
Choose a pressure washer.