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Tips for Removing Mold and Algae from Your Business's Roof

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Have you noticed some black streaks or discoloring on the roof of your business's building? This is a pretty common sign of mold and algae growth on a roof. In most cases, a bit of mold will not destroy shingles or compromise the strength of your roof. Still, it is pretty unsightly, and you likely want to get rid of it as soon as possible. Fortunately, there are a few ways to remove mold and algae from shingles. Read on to find out how you can get the gunk off and have great a great-looking roof once again.

A Simple Solution: Bleach And Water

You may be pleased to learn that killing mold and algae is very simple. A bleach-and-water mixture is an effective and affordable way to get the job done. You can use either oxygen bleach or chlorine bleach. Oxygen bleach is good for lightening stains, and the smell tends to be less harsh. However, chlorine bleach may produce better effects because it stronger.

Mix one part bleach with one part water in a large plastic bucket or pump sprayer. Thoroughly coat the shingles of your roof with this solution. Let the solution set for 15 to 20 minutes to kill the algae and mold. Then you can use a normal garden hose to thoroughly spray down your roof.

Some Bad Ideas: What Not to Do When Cleaning Your Shingles

Cleaning your roof can be a fairly easy task, but it is always best to take precautions. Small mistakes can lead to damage, accidents, and more. Keep these tips in mind.

  • Do not use a power washer. Power washers can be too strong for roof shingles and may cause them to break apart.

  • Make sure the cleaning solution does not run off onto plants. Bleach and other strong chemicals can kill plants very quickly. Be careful to avoid creating runoff when cleaning your roof. Cover your plants with a waterproof tarp to avoid accidental damage.

  • Use simple yet crucial safety practices. If you are feeling anxious to get the job done, you may overlook some simple safety measures. Wear rubber gloves and safety goggles to avoid chemical irritation. Have someone spot you while you climb the ladder and work on your roof.

A Professional Solution: Consult a Roofing Contractor

If you want to get your roof cleaned professionally, that is certainly a beneficial option that will save you the time and hassle of cleaning your shingles yourself. Using a professional will also eliminate any potential safety hazards for you. Additionally, a professional roofing contractor can tell you if you are better off replacing shingles that are covered in mold and algae. They can also perform a thorough inspection to see if any other problems are present. For a thorough yet convenient solution, speak with a contractor to get your roof looking great again.


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