How to remove lichen from colorbond roof

How to remove lichen from colorbond roof

Colorbond roofs are durable materials coated with steel to withstand harsh weather conditions. The average lifespan of a colorbond roof is between 50 and 70 years, making it the most durable, flexible, reliable, and long-lasting metal roof repairs

Lichens grow in warm conditions with high moisture levels. Your roof may block water, but it becomes a favourable habitat for lichen and moss over time. The primary cause of lichens growth on the roof is inadequate drainage. 

Fungus and algae that reproduce with each other cause lichens on the colorbond roof. Research shows that fungus and algae can also end up on the roof from nearby trees, wind debris, and dropped materials. How to remove lichen from the colorbond roof? Here are different ways to get the job done adequately. Read on! 

Use Plain Water 

Using plain water is one of the simplest and easiest ways to remove lichens from the colorbond roof. The process requires you to wash away growing lichen using water. Although it is an easy method, it may not work from intense lichen growth or accumulation on the roof. 

You can use pressure washers to reduce the intensity of lichen on your colorbond roof. However, we recommend hiring a professional roofer because they have the right tools and adjust the pressure to prevent roof damage. 

Use Detergent and Bleach 

When you can’t remove lichens from the colorbond roof using plain water, we recommend using detergent and bleach to eliminate lichens effectively. It is a simple and effective method to get rid of environmental pathogens, including lichens, algae, and fungus. 

The method involves mixing 3/4th cups of lichen in one water gallon. Make sure you stir these ingredients thoroughly. Use a sprayer to apply the mixture to areas on the colorbond roof with increased lichen growth. 

When applying the mixture, make sure you let it on the lichens for 15-20 minutes. Next, remove the leaves and use plain water to wash the roof. Add some detergent in plain water and use a sponge to scrub the roof. 

We recommend focusing on areas where lichens grow more. Wash the roof using plain water after you have scrubbed it thoroughly. You will see that the lichens have long gone. If this method does not work, hire a professional roofer to get the job done efficiently. 

Use a Chemical Cleaner 

There are different brands of chemical cleaners available on the market. Make sure you choose the one designed and made for lichen removal on the colorbond roof. Chemical cleaners are more effective than homemade remedies because they fight the moss and lichen and eliminate them immediately without damaging the roof. 

We recommend purchasing a cleanser made with alkyl dimethyl, benzyl ammonium chloride, or Octyl dimethyl ammonium chloride to achieve your goals and maintain your colorbond roof’s condition. Hire a professional and skilled roofer to ensure everything goes smoothly. That way, you can prevent lichen growth for up to five years. 





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