In article ,
AnthonyL wrote:
Over the past year or so quite a lot of moss has grown on my garage
roof. It is pretty much a very big sponge.

I've had some success by shovelling a few spades at a time into a big
container full of water and then gently fishing out the moss with a
rake. But that's nowhere near 100% effective.

Ideas and what should I do next?

Weedkiller?

--
*If I throw a stick, will you leave?

Dave Plowman London SW
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