Lichen is normally found on roofs and fences. The best thing to do is wait for a nice fine day and apply some Spik and Span Moss Kill and let it do the work. Spik and Span Moss Kill will do all the work for you. It will get to the cause of the lichen and dry it right out and eventually nature will remove it through wind, rain, and sunshine. The best thing to do is to apply a preventative application after the problem has gone to further prevent it returning. Spik Moss will work constantly for up to 12 months with the active ingredient being reactivated everytime it rains.
