As you did in the previous step walk backwards when you are spraying away from the wet tiles and onto the dry ones.
How to remove lichen from clay roof tiles.
Lichen can be really tricky to remove because it grips strongly onto the surface.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Before proceeding with any remedial work to remove moss or lichen we would recommend speaking to a roofing maintenance professional.
This will remove all the moss and lichen as well as any built up dirt.
Moss can be scraped off by hand but this must be performed with caution to avoid damaging roof tiles particularly in the case of timber or asphalt shingles.
Moss is a flowerless plant that grows in clumps and lichen is actually two organisms that coexist fungus and algae as one to the mutual benefit of both organisms symbiosis.
Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide.
Moss and lichen love to grow on clay tiles so why is it important to remove it especially as some people say it adds character to the roof.
Some homeowners attempt to use harsh acids or cleaning chemicals to remove the lichen but even if these due end up killing the lichen the organism still remains deeply adhered to your roof.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
For an average 3 bedroom tile roof with lichen you would require 3 x 5 litre packs depending on the total area covered with lichen.
Lichen damage to tile.
Moisture increases the chance of mold growth which can damage the roof tiles.
Scraping moss off the roof.
Remove moss and lichen from your roof with vinegar.
Give the anti moss spray time to do its job and then use the high pressure cleaner to wash the tiles down.
Several natural remedies can kill the lichens and restore the look of your roof tiles.
Lichen are sutborn and are very diffcult to remove unlike the roof algae roof lichen are persistent and deeply adhered to the roof.
Lichen is a hardy growth known to firmly.
For best results mix the wet forget and spot spray the lichen leave for 10 15 minutes and then respray the lichen and the entire roof to ensure the lichen absorbs the wet forget thoroughly.
While lichens don t damage the structure of roof tiles they can stain the surface of the roof as well as trap moisture.