Lichen and green moss growth on a slate roof.
How to clean lichen off roof.
You can then brush the loosened lichen and moss from the roof safely.
How to remove lichen from roof shingles step 1.
Inspect the roof shingles visually.
How to remove moss lichen from the roof with vinegar step 1.
The recommendation for most of the products is to hose down plants that may get dripped on when applying the solution to the roof.
I used a pump sprayer and applied a heavy mist to the roof two times about an hour apart.
While this is a popular approach a great deal of time and work must be put in to remove lichen this way.
Allow the bleach solution to remain on the roof for 10 to 15 minutes.
Do not let the bleach solution remain on the roof any.
Clean the roof annually.
Scrub the moss and lichen from the roof with a long handled scrub brush.
Clean up any organic matter on the roof such as twigs leaves or other debris.
Lichen will build up on the north side of buildings and in areas shaded most.
If you opt to power wash your roof and remove the lichens or moss you should use the proper equipment and a mild detergent rather than a heavy abrasive cleaner.
A heavy spray of solution will kill the lichens and moss but results take time.
Sweep off dirt branches and debris and then wash down the roof surface with a garden.
In addition to rotting and.