Kill Roof Lichen

Clean the roof annually.

Kill roof lichen.

How to remove moss lichen from the roof with vinegar. Moisture increases the chance of mold growth which can damage the roof tiles. Use a stiff brush such as a pushbroom to scrape away any stubborn mold or lichen patches. Scrub the moss and lichen from the roof with a long handled scrub brush.

The recommendation for most of the products is to hose down plants that may get dripped on when applying the solution to the roof. Clean up any organic matter on the roof such as twigs leaves or other debris. A heavy spray of solution will kill the lichens and moss but results take time. Do not let the bleach solution remain on the roof any.

Another way of removing lichens from the roof is through using chlorine bleach. Chlorine bleach may be applied to your gutter and flashing or your shingles to change the color. Sweep off dirt branches and debris and then wash down the roof surface with a garden hose. In addition to rotting and possibly damaging your roof.

Lichen will build up on the north side of buildings and in areas shaded most of the day. Inspect the roof shingles visually. Bleach solution that drips from your roof during or after application can kill landscape plants and ruin outdoor fabrics. Allow the bleach solution to remain on the roof for 10 to 15 minutes.

While lichens don t damage the structure of roof tiles they can stain the surface of the roof as well as trap moisture.