How do you get rid of black mold on roofing shingles?

I rented a pressure washer to clean my roofing shingles. It will remove black mold, moss, leaves, pine needles, etc. Make sure you celan the gutters and downpipes at the same time.

Cheers Malcolm

Another AnswerA pressure washer will damage most roofing materials, especially mineral-surfaced asphalt shingles. We have experienced much success using a low-pressure garden sprayer application of 50% household bleach with water, and a shot of dish soap. spray this onto a dry roof on a cloudy day or early before the sun gets it too hot. The dish soap allows the bleach water to penetrate and work. The bleach will turn the black mildew yellow-brown in about two minutes. Rinse with a hose sprayer from the ground. Warning. Roof can get slippery. Don't spray yourself into a corner. :) Lasts about a year in coastal South Carolina, USA...

-Steve

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