Phil L wrote:
Richard wrote:
Our house roof appearance is being spoilt by lichen, is there anything
on the market to remove it, and any good techniques for spraying it
without venturing onto the roof itself.

It will require cleaning off every six months if you hope to keep it away.
You cannot clean it off without getting on the roof neither, so add on the
cost of replacing broken tiles, gutters, legs etc and ask yourself is it
really worth bothering with?


Can with a pressure washer.