Dip the scrub brush into the solution and test it to see if it is effective at removing the staining.
Clean algae off hardie siding.
James hardie fiber cement siding requires very little maintenance but like all things it can get a bit dirty over time.
Always test any type of cleaner on a small section of siding to be sure it doesn t stain streak or otherwise damage the siding.
1 mix water and white vinegar in equal concentrations in a spray bottle.
Test a small area.
2 spray the water stain or stains directly and allow the vinegar to penetrate the scale.
A good cleaner to try first is a mixture of 70 water and 30 white vinegar.
Luckily it s very easy to clean.
Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions.
If you have a larger area to clean or extra buildup then power washing may be the way to go.
Water stains remove with a mild detergent and water.
Clean dust dirt and debris.
White vinegar is a weak acid strong enough to dissolve hard water scale.
38 thoughts on how to clean fiber cement siding.
If not the green discoloration may be mold.
You can achieve that same sparkle on your home s siding by cleaning it once or twice a year.
Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water.
Choose a cleaning solution that is appropriate for the type of growth you have on your siding.
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.
It s recommended to pull out the garden hose and douse your home siding every 6 12 months.
Rinse the siding from top to bottom with a.
Stains on wood cleanse with mild detergent mixed with water.
Gently wipe away any loose dirt and debris with a soft non metal horsehair or paintbrush.
In most cases all you will need is a soft cloth or brush a garden hose and a little mild soap.