Pressure Washing Fiber Cement Siding

Mix a mild dish detergent and water in a bucket until you have sudsy water.

Pressure washing fiber cement siding.

If you feel that you need to use a pressure washer especially on harder to reach locations only use it at a low pressure under 1500 psi with a wide tip. 1 keep a minimum distance of 6 from the wall. 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.

Only use a pressure washer at a distance of 6 feet or more. Rub the oil or grease off the siding. 3 use pressure under 1500 psi. However great care must be taken in doing so.

You may need to repeat. When using a pressure washer to clean any siding you need to prevent water from becoming trapped between the siding and your home s sheathing because the moisture promotes mold. The best way to clean fiber cement siding is by soft washing it. Pressure power washing.

2 use wide fan tips in the wand of the pressure washer. This can be a great quick way to clean siding but power washing can damage fiber cement siding. If using a pressure washer care must be taken to ensure that the water stream does not damage the surface of the siding. This is one of the few ways that you can damage it.

If applying a cleaner with a built in applicator choose a product in a bottle with a. How to pressure wash fiber cement siding 1. Use a side to side motion when cleaning horizontal planks. If using a soft cloth wet the cloth then wipe the area in a side to side motion in the direction of the plank shingle or panel siding until clean.

If you re spraying mold and mildew off of your siding you should use more than just water. Soft washing provides just enough pressure to remove caked on dirt and debris without causing any damage to your siding. From there rinse the area with clean water. Here are the keys to pressure washing fiber cement siding.

If using a brush brush the siding s surface dust or dirt then rinse the area with a garden hose. Start from the top and clean with the direction of the siding. Here is a link to the james hardie recommended cleaning methods. Rinse out your cloth in the bucket frequently to prevent grease and oil buildup.

Using wide fan tips that are kept a minimum of 6 feet from the wall and at pressures under 1500 psi will minimize the chance of damaging the siding. Do not use a high pressure hose to clean fiber cement siding. Choose a pressure washer. Be sure to completely rinse it free of any soap residue.

Sand blasting can damage the fiber cement surface and is not recommended.