Don t use a high pressure power washer to get the job done as it turns out a low pressure hose and a soft medium bristle nonmetal brush is the best way to remove dirt and debris from james hardie siding and trim.
Pressure wash concrete siding.
Use a side to side motion when cleaning horizontal planks.
To help you setup your pressure washer correctly check out these tips and tricks.
Start by choosing the proper pressure and nozzle tip.
A 3000 psi consumer grade gas pressure washer is a great choice for cleaning fiber cement siding.
This can be a great quick way to clean siding but power washing can damage fiber cement siding.
Choose the tip with the widest angle that still gets the job done to prevent degrading the surface of the.
The power of pressure washers can be too much of a good thing.
Pressure power washing.
Start from the top and clean with the direction of the siding.
A pressure washer with about 3 gpm and 3000 psi is ideal for most concrete and brick cleaning jobs.
Consider the size of the detergent tank.
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.
It s recommended to pull out the garden hose and douse your home siding every 6 12 months.
Do not use a high pressure hose to clean fiber cement siding.
The larger your house is the more pressure washing you ll have to do and the more frequently you ll have to refill the detergent tank.
Be sure to completely rinse it free of any soap residue.