How to Prevent, Identify & Remove Moss & Algae Growth on Your Roof

Nov 21, 2024

Has your home’s roof become discolored and streaked? While a stained roof hurts curb appeal, it could also be a warning sign of a larger problem—moss or algae growth. In this article, we’ll talk about how to prevent moss and algae growth on your home’s roof, how to identify these unwanted headaches, and how to remove them effectively.

Causes of Moss & Algae Growth on Asphalt Shingle Roofs

Homeowners in Tampa, Florida, and Atlanta, Georgia, are no strangers to warm, humid weather, which creates an ideal environment for moss and algae growth. These growths thrive in shaded areas, particularly on roofs that don’t receive direct sunlight due to overhanging trees. Algae often appear as dark streaks or patches on the roof, while moss can develop as a green, thick, spongy layer.

Problems That Can Result From Moss & Algae Growth

Moss and algae growths are more than just eyesores—they can cause significant issues if not addressed, including:

Damage to Shingles

Moss traps moisture, which can seep into the shingles and lead to lifting, cracking, or even rotting. This compromises the roof’s structural integrity.

Increased Roof Deterioration

Algae can cause the asphalt in shingles to break down faster due to its moisture-retaining properties, resulting in a shortened roof lifespan.

Higher Energy Costs

Dark algae streaks absorb more heat, making your home warmer and forcing your cooling system to work harder, leading to increased energy costs.

Preventative Measures

Proactive roof maintenance is a straightforward way to prevent moss and algae growth. Here are some effective measures you can try:

Trim overhanging trees – By cutting back branches that create shade, you can allow more sunlight to reach the roof, reducing the damp environment where moss and algae thrive.
Install zinc or copper strips – These metals release particles when it rains that help prevent the growth of moss and algae.
Keep gutters clean – Clogged gutters can cause water to back up onto the roof, promoting moisture retention and growth.
Schedule regular inspections – Routine inspections can spot early signs of moss or algae, allowing for timely action.

Best Ways to Remove Moss and Algae Without Damaging Your Roof

When it comes to removing moss and algae, using gentle techniques is key to protecting your roof. You can try:

Soft washing – Unlike pressure washing, soft washing uses a low-pressure water spray combined with a roof-safe cleaning solution. This method is effective at removing growth without damaging shingles.
Manual removal – Moss can be gently brushed off with a soft broom, but this should be done carefully to avoid shingle damage.
Professional services – Hiring a roof maintenance expert to clean your roof can provide thorough results without risking damage.

Roof Inspections Offered by Roofing Done Wright

Roofing Done Wright provides comprehensive roof inspections that can identify moss and algae growth before they lead to significant problems. Our team conducts detailed assessments to spot early warning signs and recommend effective solutions to keep your roof in peak condition.

Act Now & Protect Your Roof

Don’t let moss and algae compromise your roof’s durability and appearance. Contact Roofing Done Wright today to schedule a professional roof inspection and learn more about our roof maintenance services.

A Proven Record of Exemplary Service

Read Rave Reviews From Our Satisfied Customers

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“ Roofing Done Wright was great to work with. On time, professional and 100% satisfied with my roof and gutters. ”

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Success Real Estate Brokers

“ Gatekeeper manages several hundred rental homes, and I own several dozen houses myself. Ward Metcalfe at Roofing Done Wright is our "go-to guy" for residential roofing. Quality is significantly better than the others we have tried. Customer service working with insurance companies is just great. He has saved us thousands. Ward Metcalfe is simply a good guy to boot! He really knows roofing. ”

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“ Jonathan Holiday, the contact, was very responsive, professional, and delivered everything he said he would. His crew, Jacob, was excellent. Everyone was so personable, showed up, and they knew exactly what they were doing. Roofing Done Wright came highly recommended and they did not disappoint. ”

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