Do not push soft brush or wet cloth too hard against product surface.
Cleaning hardie board siding.
Gently clean the siding with the soft brush or wet soft cloth in a side to side motion in the direction of the plank siding.
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.
Pressure power washing.
Then rinse with the hose.
Don t let soap or cleansers dry on the siding.
If you prefer to use a soft cloth to handle the debris wet it and wipe the siding until it is clean and once again rinse with the hose.
In most cases this is the best method for cleaning your hardie board siding.
Be sure to use a soap with no harsh chemicals as these can damage fiber cement siding.
If cleaning panel direction of the siding is up and down.
If using a brush brush the siding s surface dust or dirt then rinse the area with a garden hose.
A mild biodegradable soap dish soap is a good choice a soft brush or a cloth.
This can make cleaning harder and even potentially cause damage.
Start from the top and clean with the direction of the siding.
Be sure to completely rinse it free of any soap residue.
A little goes a long way.
Now you can clean away the dirt and lightly scrub the siding.
To complete the job you ll need the following items.
Take your soft brush and use it along the siding to remove the dust or chalk that you want to clean.
Use a side to side motion when cleaning horizontal planks.
Any areas that have been missed may show up when the siding has dried.
Make sure to dilute any concentrated soaps like dish soap.
Do not allow the soap and mildew cleaner to dry on the siding continually rinse the area until all of the cleaner has washed off of the siding.
Never use a hard or abrasive brush to clean cement fiber siding.