Lichen On Roof Tiles

In addition to rotting and possibly damaging your roof organic material is one of the chief growing places of both moss and lichen.

Lichen on 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. Moss and lichen tends to flourish on roofs in rural areas where trees are nearby and where there are shady damp conditions. If you notice green white or gray spots on your roof moss and lichen are likely the culprits. When rainwater moistens the strips a tiny amount of metal will run down on your roof preventing the lichen from grabbing hold.

Lichens are a fungus that typically grows with algae. Lichen avoids galvanized steel copper and zinc because these metals work as a natural biocide. While moss can look quite luscious lichen usually grows much thinner and closer to the surface of your roof. Adding metal strips along your roof s ridge line may inhibit lichen growth.

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. To remove lichen and. Several natural remedies can kill the lichens and restore the look of your roof tiles.

Clean up any organic matter on the roof such as twigs leaves or other debris.