How To Remove Lichen From Colour Steel Roof

Spray patches of lichen with vinegar until thoroughly saturated.

How to remove lichen from colour steel roof.

The sodium hypochlorite solution can be made up from commercially available bleaches the bleach should be applied with a soft bristle broom left for 3 5 minutes and washed off with copious amounts of water. To restore a roof affected by fungus it is recommended that the roof be washed down with a 2 sodium hypochlorite solution. Removing lichen with a brush broom or scraper is one common way to remove it. Removing lichen fully using this method is nearly impossible not to mention time consuming especially if you are dealing with a large surface like a roof.

In addition to rotting and possibly damaging your roof. Unfortunately removing lichen this way is very time and labor intensive. The recommendation for most of the products is to hose down plants that may get dripped on when applying the solution to the roof. Water blasting colour coated roofs to remove fungal moss and lichen growths may damage the surface.

A heavy spray of solution will kill the lichens and moss but results take time. Lichen can be really tricky to remove because it grips strongly onto the surface. How to remove moss lichen from the roof with vinegar. Use a stiff brush such as a pushbroom to scrape away any stubborn mold or lichen patches.

An application of vinegar kills lichen. The odor intense odor will quickly disappear as the vinegar dries and evaporates. So if you attempt to remove it with a hand tool you may accidentally remove the protective top layer of your roof shingles as well. To assist in making up the solution table 1 below shows the dilution required for different strength bleaches to give a 2 solution.

Allow the lichen to dry for 1 to 2 hours. Ensure the lichen is dry before application. The pressure required to fully remove lichen will remove the protection provided by the oxidised surface layer reducing the thickness of the coating and exposing the un oxidised paint film to sunlight and weathering. Follow these 3 simple steps to ensure a complete kill and removal of the lichen and long lasting protection.

Many people try to remove lichen by brushing and scraping it off with abrasive tools. I used a pump sprayer and applied a heavy mist to the roof two times about an hour apart. Clean up any organic matter on the roof such as twigs leaves or other debris. While this is a popular approach a great deal of time and work must be put in to remove lichen this way.

To remove the lichen scrub with a firm brush with soapy water.