Moss and lichen tends to flourish on roofs in rural areas where trees are nearby and where there are shady damp conditions.
Lichen on roof tiles.
Step 2 use a stiff brush such as a pushbroom to scrape away any stubborn mold or lichen patches still remaining.
Clean up any organic matter on the roof such as twigs leaves or other debris.
Several natural remedies can kill the lichens and restore the look of your roof tiles.
While moss can look quite luscious lichen usually grows much thinner and closer to the surface of your roof.
Lichens are a fungus that typically grows with algae.
Moisture increases the chance of mold growth which can damage the roof tiles.
Lichen on terracotta roof tiles is particularly unappealing to the eye and is best handled before it has a chance to cake in and ruin the tiles.
Roof moss and lichen are not only unsightly but can damage the roof over time.
Adding metal strips along your roof s ridge line may inhibit lichen growth.
If you notice green white or gray spots on your roof moss and lichen are likely the culprits.
Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide.
While lichens don t damage the structure of roof tiles they can stain the surface of the roof as well as trap moisture.
This should include inspection for broken and loose tiles checking gutters and downpipes and the removal of any organic material that may have built up such as leaves moss and lichen.