mold on the roof

[maymay]

I live in a bungalow
The north facing roof has mold on it. I remove it by pressure washing it but does any one know of any thing I can apply to the roof to stop or slow down the growth of the mold

[Matheous]

I recenly heard of someone who had the roof tiles/moss pressure washed followed by a waterproof terracota coloured coating with a ten year warranty.....So it must not be an uncommon treatment I reckon.

[maymay]

do you know what the coating is called and where I can purcahse it

[gardenknowin]

One click on google is all it takes, maymay! Try www.mgcltd.co.uk

[AaronSmith00]

Mix 1 part bleach to 3 parts water and apply to the mildew-covered area with a hand pump sprayer. Adding some tri-sodium phosphate (TSP) will help clean the roof at the same time.
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