When you remove the mold and mildew from your siding you protect your home s market value and your family inside.
Mold on cement board siding.
James hardie recommends using mildew cleaner like jomax mildew check or mold armor.
And unfortunately if you have one you ll no doubt have the other.
If you find mold and mildew on your cement fiber siding do not blame yourself.
James hardie fiber cement siding requires very little maintenance but like all things it can get a bit dirty over time.
Luckily it s very easy to clean.
Your standard household whitener it appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Get a mold mildew remover that is safe for use on fiber cement.
It is critical that all installation steps are very carefully followed by a professional to ensure all penetrations and gaps are properly treated with the appropriate paint or caulk to protect the panels from moisture infiltration.
To remove mold and mildew while protecting your james hardie siding.
Visit your local home improvement store and purchase a fiber cement siding safe mildew cleaner.
Do a visual inspection regularly to look for red black green or brown spots that signal mold and mildew growth.
Mildew can resemble dirt at times so when it comes time to clean your siding be sure to inspect the planks panels or shingles.
Almost every home will at some point be targeted by mold and mildew especially if you live in a warm climate with high humidity or your house is in an area with a lot of shade.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Mix with water and use a pump spray to apply it to your fiber cement siding rinsing when done.
You can typically find this at a home improvement store.
Mix the mildew cleaner with water as recommended on the mildew cleaner instructions.
In most cases all you will need is a soft cloth or brush a garden hose and a little mild soap.
It is resistant to mold mildew and fading.
If you find that algae mold and mildew are recurring problems you might want to try tackling them by lowering the ph of your siding using substances like bleach ammonia baking soda or salt.
Can you imagine all the warranty jobs in about ten years when some of the cement board planks begin to have real mold issues on the back of the panels and into the walls there is no way to avoid mold unless the entire plank is sealed so moisture and dust cant get behind the siding.
Absorptive claddings like fiber cement can hold moisture leading to panel damage rot and even mold problems.
Instead continually rinse the area until all of the soap has washed off of the siding.