Pressure Washing Fiber Cement Siding

Use a side to side motion when cleaning horizontal planks.

Pressure washing fiber cement siding.

How to pressure wash fiber cement siding 1. Start from the top and clean with the direction of the siding. 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. Pressure power washing.

From there rinse the area with clean water. Do not use a high pressure hose to clean fiber cement siding. Note that pressure washing can damage some siding products so check with your siding manufacturer before use. Here are the keys to pressure washing fiber cement siding.

If applying a cleaner with a built in applicator choose a product in a bottle with a. Be sure to completely rinse it free of any soap residue. This is one of the few ways that you can damage it. 2 use wide fan tips in the wand of the pressure washer.

If using a brush brush the siding s surface dust or dirt then rinse the area with a garden hose. However great care must be taken in doing so. 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. 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.

Rub the oil or grease off the 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 can be a great quick way to clean siding but power washing can damage fiber cement siding. Mix a mild dish detergent and water in a bucket until you have sudsy water.

If you re spraying mold and mildew off of your siding you should use more than just water. Dip a soft cloth into the mixture and saturate it well. Soft washing provides just enough pressure to remove caked on dirt and debris without causing any damage to your siding. Sand blasting can damage the fiber cement surface and is not recommended.

A 3000 psi consumer grade gas pressure washer is a great choice for cleaning fiber cement. Rinse out your cloth in the bucket frequently to prevent grease and oil buildup. The best way to clean fiber cement siding is by soft washing it. Power washing or pressure washing can be too harsh for fiber cement siding.

Choose a pressure washer. The higher pressure can damage the siding leading to cracks and a shorter lifespan. You may need to repeat. Here is a link to the james hardie recommended cleaning methods.

Only use a pressure washer at a distance of 6 feet or more.