Roofs are especially susceptible to the growth and can be significantly damaged by lichen. Lichen holds moisture in place against surfaces, which speeds up normal wear and tear. … This can cause your roof shingles to bend, warp, and even separate from each other over time.
How do I get rid of lichens on my roof?
- Fill a bucket with 1 gallon of hot water. …
- Pour the mixture into a garden sprayer. …
- Wet down the roof with plain water from the garden hose. …
- Allow the oxygen bleach to sit on the roof for about 20 minutes. …
- Use a long-handled scrub brush to scrub the moss and lichen spots. …
- Rinse the roof with plain water.
Does lichen affect roof tiles?
In normal circumstances, a small amount of growth is not harmful to the actual roof tiles or slates. However, in extreme cases, it may affect the flow of water down the roof, hampering drainage, or may retain water, increasing the risk of damage or leaks developing.
