How To Remove Black Stains From An Asphalt Roof

How to remove black stains from roof shingles.

How to remove black stains from an asphalt roof. Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation. Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach. So black stains on roofs can be removed just choose a quality roof cleaner product or your local roof cleaning professional and make your roof look better. How to prevent black streaks roof mold.

When rain hits the strips it produces a solution that runs down the roof and keeps algae moss and fungus from growing. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. Use a cleaner specially made for killing algae or by spraying a mixture of one part bleach to four parts water with tsp trisodium phosphate or other detergent added in a garden pump up sprayer. The closer you are to the roof stains the better your roof stain removal products will work.

It is important that the roof be wet when the cleaning mixture is applied or it may. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Here are a few. If the streaks don t bother you or you re not ready to invest in a new roof install zinc or copper strips available at roofing centers along the top course of shingles.

Roof cleaned with oxygen bleach left and chlorine bleach center. Finally there are lots of special products made just for removing algae from asphalt shingles that work really well. In order to remove the black streaking from your roof you will need several items. So the algae colony gets right back to work.

30 seconds outdoor cleaner. Be sure to have a friend or family member with you to ensure that you are safe while your climb up and work on your roof. A mixture of trisodium phosphate tsp bleach and water will also remove stains. Wet down the roof with water from the garden hose.

Fill a large bucket with 1 gallon of hot water 1 qt. A spray stain remover solution a scrub brush a garden house protective eyewear rubber gloves shoes with tread a bucket and a ladder.