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We have some kind of lichen or mold on the plastic siding on one side of the house. What's the best way to clean it off?

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2 Answers 2

Tilex or bleach will probably do it, but test it on a small piece to make sure it doesn't affect the color of siding.

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Rent a pressure washer at Home Depot for the day.

I'd be more concerned with what's allowing it to grow in the first place.

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Ack! Are you sure about a pressure washer on vinyl? I would think that it would crack. –  Karl Katzke Sep 27 '11 at 0:55
    
I was going to suggest this as well. You just start far away and move closer to the area with the spray until it washes away. Certainly don't put the nozzle right on top of it and squeeze the trigger. –  hometoast Sep 27 '11 at 17:18

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