Clean Algae Off Hardie Siding

Rinse the siding from top to bottom with a.

Clean algae off hardie siding. Luckily it s very easy to clean. If you have a larger area to clean or extra buildup then power washing may be the way to go. If not the green discoloration may be mold. 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.

38 thoughts on how to clean fiber cement siding. Wet a soft cloth and gently wipe away remaining dirt and dust moving with the grain of the siding and working from top to bottom. Fill a bucket with warm water and mix in the oxygen bleach powder according to the package directions. 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.

2 spray the water stain or stains directly and allow the vinegar to penetrate the scale. Water stains remove with a mild detergent and water. Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water. Dip the scrub brush into the solution and test it to see if it is effective at removing the staining.

It s recommended to pull out the garden hose and douse your home siding every 6 12 months. A good cleaner to try first is a mixture of 70 water and 30 white vinegar. Choose a cleaning solution that is appropriate for the type of growth you have on your siding. James hardie fiber cement siding requires very little maintenance but like all things it can get a bit dirty over time.

If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach. Mix your cleaning solution. You can achieve that same sparkle on your home s siding by cleaning it once or twice a year. Test a small area.

Stains on wood cleanse with mild detergent mixed with water. White vinegar is a weak acid strong enough to dissolve hard water scale. 1 mix water and white vinegar in equal concentrations in a spray bottle.