Now I feel stupid because I didn't wash it down! Followed some instructions I found online (can't recall where) which just said spray it on and for maximum effectiveness try to ensure it does't rain for a few days (which would't be consistent with washing it down).
Really feeling I should...
Hi,
About 6 weeks ago I cleaned the moss off one side of my roof (it has easy access from a flat roof so no hassles with ladders). I used a commercial remover which basically seemed to be bleach and soap which I diluted down as per the instructions and sprayed on.
2 weeks later the moss...