Quote:
Originally Posted by CO2Solutions
looks great!
I have 'staining' on my shingles - how would I combat that? maybe I'll take a picture and post it so someone can give me a better idea. There's a tree in the front of the house, I'm sure the leaves had something to do with it.
mike
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It is algae growing on it.
If it is not too bad, some Bleach with TSP will take care of it.
You can apply with a pump sprayer.
Spray the solution on, and give it ten to 15 minutes to work.
Then re apply, and do same.
It will clean eventually.