Clean Algae Off Hardie Siding

Mix your cleaning solution.

Clean algae off hardie siding.

Choose a cleaning solution that is appropriate for the type of growth you have on your 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. 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. 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.

Clean dust dirt and debris. If this mixture doesn t remove all of the algae try a stronger solution using oxygen bleach. It s recommended to pull out the garden hose and douse your home siding every 6 12 months. James hardie fiber cement siding requires very little maintenance but like all things it can get a bit dirty over time.

Gently wipe away any loose dirt and debris with a soft non metal horsehair or paintbrush. Rinse the siding from top to bottom with a. 1 mix water and white vinegar in equal concentrations in a spray bottle. Test a small area.

Stains on wood cleanse with mild detergent mixed with water. A good cleaner to try first is a mixture of 70 water and 30 white vinegar. 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.

If you have a larger area to clean or extra buildup then power washing may be the way to go. Dip the scrub brush into the solution and test it to see if it is effective at removing the staining. 38 thoughts on how to clean fiber cement siding. Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water.

In most cases all you will need is a soft cloth or brush a garden hose and a little mild soap. Water stains remove with a mild detergent and water. 2 spray the water stain or stains directly and allow the vinegar to penetrate the scale.