11 Best Metal Roof Coatings According To Contractors

Posted on November 24, 2023

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11 Best Metal Roof Coatings According To Contractors

If you’re in the market for a metal roof coating, you may be overwhelmed by the variety of options available. In this guide, we unveil the top rated choices as recommended by contractors. These coatings are your key to safeguarding your metal roof and extending its lifespan. We’ll navigate through the best options available, ensuring your roof stands strong against the elements. Whether you’re looking for weather resistance, UV protection, or rust prevention, you’re in the right place. 

Top 11 Metal Roof Coatings

# 1 GacoFlex S20

GacoFlex S20

GacoFlex S20, a 100% silicone roof coating, is the ultimate solution to rejuvenate your weathered and aging roof. It works wonders on various roof types, including metals. Here’s what you need to know:

  • Ultimate Protection: GacoFlex S20 is a proven and guaranteed way to renew your roof’s life, sealing and protecting it from the elements.
  • Seamless Finish: Its seamless, glossy membrane provides a durable shield against permanent ponding water, harsh UV rays, and extreme weather conditions.
  • Fast Drying Time: Rain and ponding water resistance kicks in just two hours after application.
  • Advanced UV Protection: The glossy finish not only adds an attractive shine but also reduces heat absorption, cutting down on energy costs and protecting your roof from UV rays.
  • Single Coat Application: One-coat application dries quickly, making it an ideal choice for DIY enthusiasts looking for a straightforward and long lasting roof solution.

# 2 ROCAcrylic Direct-to-Metal Acrylic Enamel 3800 by Rust-Oleum

Metal Acrylic Enamel

ROCAcrylic Direct-to-Metal Acrylic Enamel 3800 by Rust-Oleum is a water based coating that can be used on metal surfaces both inside and outside the home. It offers:

  • Quick Drying: This coating is fast drying, allowing for quick and easy application.
  • Corrosion Resistance: When applied to metal roofs, the coating protects against corrosion and rust. 
  • Glossy Finish: Available in many colors with a high gloss finish for a seamless appearance. 
  • Protests Against UV Rays: Coating will not fade or crack due to constant UV exposure. 
  • Rust-Proof Guarantee: Comes with a 2-year rust-proof guarantee, ensuring product performance and durability.

Also Read: Best Acrylic Roof Coatings for 2023: A Guide to Choosing the Right One

# 3 Fluropon® Premium Paint-Based Protective Metal Coating by Metal Alliance

Fluropon Premium Paint-Based Protective Metal Coating is a cutting edge solution for safeguarding metal roofing and wall panels. Available on Metal Alliance Galvalume®, MagnaGuard™, and aluminum metal coil and sheet metal, here are its key features: 

  • 70% PVDF with Kynar 500®: Polyvinylidene fluoride (PVDF) composition and Kynar 500 resins offer superior defense against fading, UV rays, and debris.
  • Color Retention: Acrylic colors from Sherwin-Williams® will not fade or stain. 
  • High Performance Standards: Meets rigorous testing and comes with extended warranties.
  • Ideal for Architectural Projects: Offers vibrant color, corrosion resistance, and energy saving benefits.

# 4 887 Tropi-Cool® 100% Silicone White Roof Coating by Henry

White Roof Coating by  Henry

887 Tropi-Cool 100% Silicone White Roof Coating is a superior choice for metal roofs. This premium silicone coating effectively reflects the sun’s heat and UV rays, making it suitable for various climates, especially tropical ones. 

  • Premium Choice: This silicone coating for metal roofs is flexible and chemically adheres to the surface it’s applied to. 
  • UV Resistance: Light color reflects heat and UV rays. 
  • Versatile: Ideal for various climates, including tropical environments. 
  • Unaffected By Aging: Maintains high reflectivity as it ages. 
  • DPR Technology: Features Dirt Pick-Up Resistance (DPR) technology for a clean, bright surface. 
  • Energy Efficient: Ensures long lasting energy savings. 
  • Withstands Ponding: Offers superior resistance to ponding and standing water. 

# 5 Armor Metal Roof Coating by ArmorGarage

Armor Metal Roof Coating offers a powerful solution for metal roof protection with its unique blend of epoxy and acrylic. Here are the key points:

  • Special Blend: Unlike other silicone or water based coatings, it combines self plasticizing epoxy and rubber-reinforced acrylic.
  • Effective Sealing: The coating seals even the tiniest imperfections in metal, concrete, foam, and tile roofs.
  • Insulation Benefits: Provides superior insulation, reducing heat absorption in summer and heat loss in winter.
  • Leak Free Guarantee: Comes with a 12-year guarantee against roof leaks.
  • Easy Application: Can be applied over previous coatings and painted surfaces. 

# 6 Gardner® Metal-X 10YR Metal Elastomeric Coating

Gardner Metal Elastomeric Coating

Gardner® Metal-X 10YR Metal Elastomeric Coating is a formidable choice for protecting metal roofs. Some of its features include:

  • Tough Elastomeric Coating: This coating is tough and flexible, offering exceptional durability.
  • Strong Bonding: It is formulated to provide outstanding bonding strength to metal surfaces.
  • Long Term Protection: Contains rust inhibitors that protect metal surfaces against corrosion.
  • Resists Cracking: The coating expands and contracts, preventing cracks and peeling.
  • Cool and Reflective: Reduces roof temperature by an average of 50 degrees, minimizing heat absorption.
  • Effective Barrier: Seals and shields the roof from the elements, extending its lifespan.
  • DIY Friendly: Easy to apply with paint sprayer or roller. 

# 7 RC-2016 Rubber Roof Coating by Inland Coatings

Inland RC-2016 Rubber Roof Coating

Inland RC-2016 Rubber Roof Coating is a top rated choice for metal roof protection, offering outstanding waterproofing and UV resistance. Here are the key points:

  • Strong Adhesion: This single component coating exhibits remarkable adhesion to clean and primed surfaces.
  • Durability: Remains thermally stable and resists cracking and peeling even years after application.
  • Corrosion Resistance: Protects metal roofs from rust and corrosion.
  • Quality Assurance: Inland Coatings ensures quality control by closely monitoring every step of the production process.

# 8  Color-Gard+™ Architectural Roof Coating by American WeatherStar

Architectural Roof Coating

The Color-Gard+™ Architectural Roof Coating System is a cutting edge solution in the realm of metal roof coatings. By combining the company’s High-Gloss Acrylic 215 with High-Tensile Acrylic 211, this coating creates a durable, seamless finish for metal roofs. Here’s why it stands out: 

  • Unmatched Color Retention: Industry leading color retention ensures a vibrant appearance.
  • Superior Resilience: Withstands harsh weather conditions and resists abrasion effectively.
  • Mold and Dirt Resistance: Resists staining and mold and mildew growth.
  • Long Lasting Finish: Forms a flexible, architectural finish.
  • Environmentally Friendly: Extremely low VOC content makes it eco-friendly.
  • Color Variety: Available in many colors, including custom options.
  • Warranty Support: Provides material and system warranties, and is backed by a 10-year color fade warranty for peace of mind.

# 9  Blu2White Premium Elastomeric Roof Coating by Kool Seal

Elastomeric Roof Coating by Kool Seal

Blu2White Premium Elastomeric Roof Coating is the ideal choice for homeowners with metal roofs. Here are some key features:

  • Innovative Technology: Featuring SnowRoof technology, it is blue during application and dries white, ensuring easy and precise coverage.
  • Energy Efficiency: This acrylic coating reflects sunlight to reduce heat absorption, effectively lowering energy costs.
  • Long Lasting Protection: The elastomeric formula prevents cracking and peeling, guaranteeing a durable, reliable shield for your roof.
  • Warranty Assurance: Backed by a limited lifetime warranty, homeowners can trust in the longevity and performance of this coating.

# 10 Met-A-Sil™ System by American WeatherStar

Met-A-Sil™ System by American WeatherStar

The Met-A-Sil System is a top rated choice for metal roof coatings. This silicone based coating offers superior reflectivity, UV performance, and moisture protection. This system excels in the following areas:

  • Strong Adhesion: Compatible with many metal roof surfaces.
  • Weather Resistance: Can withstand UV rays and all weather conditions. 
  • Rust Prevention: Stops rust and corrosion and prevents further damage. 
  • Flexible: The waterproof membrane expands and contracts without cracking. 
  • Comprehensive Warranties: Comes with material and No Dollar Limit system warranties for added peace of mind.

# 11 Maximum-Stretch® by Ames

Ames Maximum-Stretch is a standout metal roof coating for these reasons: 

  • Exceptional Elasticity: This coating offers an impressive 650% elongation, ensuring resistance to cracks and lifting.
  • Energy Efficiency: With an 88% light reflectivity, it reduces cooling costs by lowering surface temperatures.
  • Versatile Application: Suitable for various surfaces, including metal, concrete, EPDM, and wood.
  • Low Slope Application: Designed for use on low slope roofs, making it a great choice for commercial metal roofs.
  • Environmentally Friendly: This coating is non-toxic, eco-friendly, and boasts low VOC emissions, contributing to a greener environment.

Factors to Consider Before Choosing a Metal Roof Coating

When selecting a metal roof coating, it’s crucial to consider various factors to ensure the longevity and effectiveness of your roofing system. Here are key considerations:

  • Climate and Weather Conditions: Assess your local climate. Different coatings are suitable for different climates. For example, silicone coatings are ideal for areas with extreme temperature variations and high UV exposure.
  • Reflectivity and Energy Efficiency: Choose coatings with high solar reflectance and thermal emittance properties. These features can lower cooling costs by keeping your building cooler in hot weather.
  • Durability and Longevity: Examine the product warranty length. Longer warranties often indicate higher quality coatings that offer extended roof protection.
  • Compatibility with Substrate: Ensure the coating is compatible with your metal roof to prevent adhesion problems and coating failure.
  • Cost Considerations: Evaluate your budget and choose a coating that aligns with your financial resources, considering that different coatings come at various price points.
  • Maintenance Requirements: Consider the coating’s maintenance needs. Some coatings may require periodic inspections and touch ups to maintain their effectiveness.
  • Environmental Impact: Look for coatings that are environmentally friendly, such as those with low VOC content, contributing to reduced environmental harm.
  • Color and Aesthetics: The color of the coating can affect your building’s appearance. Select a color that complements your building’s design.
  • Application Method: Understand the application process, as some coatings may necessitate specialized equipment or professional installation.

Also Read: Why Metal Roofing In Buffalo Is A Sustainable Choice & Where To Get One


When it comes to protecting and preserving your metal roof, choosing the right coating is paramount. The list of 11 top rated metal roof coatings provides valuable insights into the options available in the market. At OConnor Contracting, we understand the significance of a reliable roof coating, and we’re here to help you make the best choice for your specific needs.

If you’re in need of top notch metal roofing services in Buffalo, NY, don’t hesitate to reach out to us at (716) 600-7663. Our team is dedicated to providing you with the highest quality roofing solutions to ensure the longevity and durability of your metal roof. Trust OConnor Contracting for all your roofing needs, and let us protect your investment.

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