Mold On Cement Board Siding

James hardie fiber cement siding requires very little maintenance but like all things it can get a bit dirty over time.

Mold on cement board siding.

If you find mold and mildew on your cement fiber siding do not blame yourself. Do not allow soap or cleaners to dry on the siding. Do a visual inspection regularly to look for red black green or brown spots that signal mold and mildew growth. Visit your local home improvement store and purchase a fiber cement siding safe mildew cleaner.

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. Luckily it s very easy to clean. Absorptive claddings like fiber cement can hold moisture leading to panel damage rot and even mold problems.

Mold and mildew can stain your siding cause wood to rot and impact allergies or make occupants sick. 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 you remove the mold and mildew from your siding you protect your home s market value and your family inside. 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.

Instead continually rinse the area until all of the soap has washed off of the siding. When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a. 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. Mildew can resemble dirt at times so when it comes time to clean your siding be sure to inspect the planks panels or shingles.

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. James hardie recommends using mildew cleaner like jomax mildew check or mold armor. Mix the mildew cleaner with water as recommended on the mildew cleaner instructions. And unfortunately if you have one you ll no doubt have the other.

To remove mold and mildew while protecting your james hardie siding. 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.