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The semi-detached house featured is not the best photo but it clearly shows a the difference with next door. It’s a good example of what can be achieved with a roof clean because it wasn’t a heavily mossed roof to begin with, but it till looks completely different as a result of the chemicals treatment.
They did have a moss issue but instead if clinging to the roof tiles, it was mostly rolling down into the gutters, and they were tired of getting the gutter cleaned 2 or 3 times per year. I think they were paying £90 to a gutter cleaner each time so it made sense for them to tackle the root cause.
With this larger property it’s important to note that there was a 3 week difference between these before and after photos being taken. It took a little time for the treatment to fully wash off 100% in this case but patience was reward with a fresh new visual aesthetic – pleasing to both the owners and their guests.