How to Remove Mold from the Roof


Mold thrives in damp environments and can be found almost anywhere, ranging from wet basements to roofs with leaky pipes. With a black-greenish hue, it can quickly deteriorate roof shingles with time, reducing your roof’s aesthetics. Mold can appear in any climate, so every homeowner needs to remove mold from the roof from time to time.

Cleaning a roof with stains caused by fungus, moss, and mildew is daunting. So it would be best to contact a professional roofer in Greenville, SC. However, if you choose to do it yourself, ensure you protect your home and have all the right tools for the job.

Keep reading to learn more about mold removal from roof shingles and why you should consult a professional.

Protect Your Home When Removing Mold on Shingles

Sometimes a simple bleach solution can help remove mold from the roof shingles. Bleach can kill the grass and plants around your home. Prevent damage to your home and yard from the bleach solution by taking precautions if it rains while you clean the roof.

Protect your yard’s plants, furniture, and other belongings from the effects of bleach by wrapping them in tarps or plastic sheets. Laying down tarps over the grass will help stop the bleach from seeping into the ground. Alternatively, you can spray water on the grass and plants to dilute the effects of bleach.

You should also consider essential maintenance tasks to deter the further growth of moss and algae. Prune nearby trees to increase the amount of sunshine reaching your roof. This makes the atmosphere less conducive to mold growth.

Leaves and twigs can soak and store moisture on your roof, so it’s essential to clear this debris frequently. Cleaning the gutters regularly helps promote water flow and prevent the growth of harmful microorganisms.

Installing copper or zinc strips can help you to further protect your roof from moss and algae. If you’re thinking about replacing your shingles, consider algae-resistant asphalt ones.

How to Remove Mold From the Roof by Yourself

Follow the steps below to remove mold from the roof.

Prepare a Bleach Solution

Using rubber gloves and a face mask for safety, mix a quarter of a gallon of chlorine bleach with three-quarters of a gallon of clean water in a large bucket. Then add one tablespoon of trisodium phosphate to the bleach water.

Pour the bleach solution into a pump sprayer and generously douse the moldy roof shingles with the solution.

timely mold removal prevents roof damage

Rinse the Solution

Allow the bleach solution to stay on the shingles for 15 to 30 minutes, depending on the degree of mold development.

Rinse the roof shingles with a garden hose set to low pressure to eliminate the bleach solution. Working from the highest affected shingle down would be best for effective rinsing. Try running your fingertips along the shingles while wearing gloves.

Use the bleach solution again and let it sit for another 10 minutes if you still feel slime on the shingles.

Take All Necessary Safety Measures

There are various measures you can take to protect your roof and property from future deterioration. It would be best to not use a pressure washer to clear away the bleach. If you exert too much pressure, the granules on your shingles may come off.

This damage can increase the chance of your roof developing mold. Never attempt roofing projects alone for added safety. Getting up on your roof is extremely dangerous and should only be reserved for a trained professional or experienced DIY enthusiast.

Benefits of Hiring an Experienced Greenville, SC Roofing Contractor 

Algae growth is the primary source of mold on roofs. Mold spores are airborne and easily travel from one building to the next. This can cause mold problems in some neighborhoods.

Mold thrives in moist, dark places, so a leaking roof or rotting wood are prime breeding grounds. Mold growth is often an indication of underlying roofing issues.

Roof damage may not be immediately apparent, but this does not mean that it has not occurred. A seasoned roofer will be able to determine if there are any underlying issues with the roof after a thorough inspection. Once these issues get fixed, mold development will be less likely to occur in the future.

Extensive Experience 

Hiring a roofing contractor for mold removal has many benefits. Professional roofers have seen mold growth multiple times and can remove it safely without dispersing spores.

These roofing contractors can eliminate mold from your roof without damaging the roof, landscaping, or structural integrity. Our skilled roofers have the materials and equipment to eradicate challenging mold growth. The products roofing professionals use are of higher quality and concentration than those sold in hardware stores.

Protect Your Family from Health Problems

The health benefits of employing a roofing contractor extend beyond convenience. Mold can be dangerous to your health and should be avoided at all costs. However, there are also significant risks associated with stepping onto your roof.

Licensed roofers will always utilize a harness and other necessary safety gear for added safety. You can rest easy knowing that the reputable roofing contractor you hire has the necessary training, certification, and insurance.

Your roofing contractor may also offer you a warranty, but it will depend on the nature of the damage. The provider will fix any problems with your roof Within the specified time range.

Extending Your Roof’s Lifespan

If you don’t manage the problem, moss and algae will reduce the longevity of your roof. Keeping your roof free from debris and growth is one of the best ways to ensure it lasts long. Consider the following tips for increased durability:

  • Schedule gutter cleaning
  • Maintain enough ventilation in the attic
  • Get a seasoned roofer to inspect your roof annually

The common idea connecting these tips is the belief that cleanliness and order help extend roof life. You can extend the life of your roof and maintain it in good working condition by removing moss and algae from the surface.

Let Us Help You Remove Mold From Roof in Greenville, SC

Dealing with mold growth on the roof can be challenging, but you don’t have to tackle the problem alone. Contact Lanier Roofing and Restoration today if you want to learn more or arrange a free initial consultation with a roofing expert.

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