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3 Of The Best Metal Roof Coatings You Can Use In 2024

Metal roofs stand tall as symbols of durability and longevity in the world of roofing solutions. However, even these stalwart guardians of our homes and buildings can benefit from a little extra care and protection. That’s where metal roof coatings come into play.

Today, we’ll delve deep into the world of metal roof coating, exploring:

  • Its definition
  • The myriad benefits it offers
  • Signs indicating your roof could benefit from it
  • The different types available
  • The associated costs
  • The longevity it provides

What is Metal Roof Coating?

metal roof coating

Metal roof coating is a protective layer applied to metal roofing systems to enhance their performance and extend their lifespan. Typically made from acrylic, silicone, or polyurethane, these coatings act as barriers against various environmental stressors, including UV rays, moisture, and corrosion. By providing an additional layer of defense, metal roof coatings help prevent rust, leaks, and other forms of damage, thereby prolonging the roof’s life and reducing maintenance costs.

The Benefits of Metal Roof Coating:

  • Enhanced Durability: Metal roof coatings reinforce the structural integrity of the roof, making it more resistant to wear and tear caused by weather elements and environmental pollutants.
  • Increased Energy Efficiency: Reflective coatings can significantly reduce solar heat absorption, thus lowering indoor temperatures and decreasing the demand for air conditioning, leading to energy savings.
  • Leak Prevention: Metal roof coatings seal cracks and gaps, preventing water infiltration and potential leaks.
  • UV Protection: Coatings with UV-resistant properties shield the metal surface from harmful ultraviolet rays, preventing premature degradation and discoloration.
  • Eco-Friendly: Metal roof coatings can contribute to sustainability efforts by extending the lifespan of existing roofing systems, reducing the need for replacement and minimizing construction waste.
  • Cost-Effectiveness: Investing in a metal roof coating can yield long-term cost savings by minimizing maintenance expenses and prolonging the roof’s lifespan.

Signs That Your Roof Could Benefit from Metal Roof Coating

Is a metal roof coating system right for your roof? Here are some signs that it might be:

Surface Rust:

If you notice signs of rust or corrosion on your metal roof, it’s an indication that the protective coating may have deteriorated, leaving the underlying metal vulnerable to further damage.

Leaks or Water Intrusion:

Water stains or signs of moisture inside the building suggest that the roof’s waterproofing integrity has been compromised, necessitating immediate attention.

Fading or Discoloration:

UV exposure can cause metal roofs to lose their original color and appearance over time. A fresh coat of reflective coating can restore the roof’s aesthetics while providing added protection.

Increased Energy Bills:

Rising energy costs may indicate that your roof’s insulation and reflective properties have diminished, making it less energy-efficient. Applying a reflective coating can help improve thermal performance and reduce cooling expenses.

The 3 Different Types of Metal Roof Coatings

When it comes to your roof coating system, you have options! Here are a few of the most popular:

1) Acrylic Coatings:

Acrylic coatings are water-based and offer excellent adhesion to metal surfaces. They provide UV protection, waterproofing, and flexibility, making them suitable for various climates.

2) Silicone Coatings:

Silicone coatings are highly durable and resistant to UV degradation, making them ideal for sunny and high-temperature regions. They exhibit excellent weatherproofing properties and maintain flexibility over a wide temperature range.

3) Polyurethane Coatings:

Polyurethane coatings offer superior abrasion resistance and chemical stability, making them suitable for harsh industrial environments. They provide long-lasting protection against corrosion, moisture, and mechanical damage.

The Cost of Metal Roof Coating:

The cost of metal roof coating varies depending on several factors, including the type of coating, roof size, condition, and location. On average, expect to pay between $1.50 to $5.00 per square foot for materials and labor.

While acrylic coatings tend to be more budget-friendly, silicone and polyurethane coatings may command a higher price due to their advanced properties and longevity. It’s advisable to obtain multiple quotes from reputable contractors and compare their offerings before making a decision.

How Long Does Metal Roof Coating Last?

The longevity of a metal roof coating depends on several factors, such as the type of coating, application method, and environmental conditions.

Generally, acrylic coatings may last 5 to 10 years, while silicone and polyurethane coatings can endure up to 15 years or more with proper maintenance. Routine inspections and periodic recoating can help extend the lifespan of the coating and ensure continued protection against the elements.

Protect Your Metal Roof Surfaces

overhead metal roof

Metal roof coating serves as a crucial investment in preserving the integrity and longevity of metal roofing systems. With its array of benefits, including enhanced durability, energy efficiency, and environmental sustainability, it’s no wonder that more property owners are turning to this cost-effective solution to safeguard their roofs and reduce maintenance expenses.

By understanding the signs that indicate the need for coating, exploring the different types available, and considering the associated costs and longevity, property owners can make informed decisions to protect their investments and enjoy peace of mind for years to come. Contact Greentek Roofingto learn more about if our roof coating services are right for you!


“GreenTek was awesome to work with. My rep James was easy to get in contact with and answered all my questions and made the process quick and smooth. The roof came out great and everything was finished on time and they handled everything with my insurance company so I didn’t have to. It made the process stress free for me.”

-Dylan O.

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