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10 Best Roof Coatings 2025 in the United States

#1

Winner

9.8 score

Liquid Rubber RV Roof Sealant- Professional-Grade Solar Reflective Flexible Waterproof Membrane Coating for EPDM, TPO, Fiberglass & Aluminum Camper & Travel Trailers- Brilliant White, 1 Gallon

The Liquid Rubber RV Roof Coating is designed specifically for RVs, trailers, and campers, making it a great choice for those looking to protect and maintain their roofs from leaks and weather damage. One of its standout features is its flexibility, boasting over 1000% elongation, which helps prevent cracks and adhesion failures that can occur over time. Additionally, its solar reflective properties can keep your RV cooler under the sun, enhancing comfort during hot days. This coating is also UV resistant, ensuring that it won’t degrade quickly when exposed to sunlight.

Rating
9.8
Chosen by1,267
Reflectivity
Durability
Thickness

Most important from
3643 reviews

Reflectivity
The bright white color of the coating effectively keeps the roof cooler, enhancing comfort during hot days.
Durability
Even with just a few coats, the product provides a durable seal, stopping leaks and adhering well.
Thickness
A single gallon can provide multiple thick coats, making it efficient for smaller surfaces.
Application Method
Applying the coating is straightforward and it goes on easily, sticking well to EPDM without forming any bubbles.
Drying Time
Using the primer ensures better adhesion and coverage, with the coating drying quickly.
#2
9.6 score

Ames Research Laboratories BMX5RG Blue MAX Waterproofer, Regular Use in Interior & Below-Grade Exterior Concrete Sealer and More. Liquid Rubber, 5 Gallon (Pack of 1), 640 Fl Oz

The Ames Blue Max Liquid Rubber Waterproofer is a versatile and highly effective product suitable for both interior and exterior below-grade concrete sealing. Its standout feature is its impressive 1200% elongation, which helps it resist cracking and peeling, making it a durable choice for various surfaces like concrete, wood, and metal. The product is packaged in a 5-gallon pail and can be applied using a brush, roller, or spray, which adds flexibility in its use.

Rating
9.6
Application Method

Most important from
436 reviews

Application Method
Easy to use and not messy or hard to apply.
#3
9.4 score

Gardner-Gibson Sta-Kool 15-Year Turbo-Dri Elastomeric Roof Coating, White, 5 Gal., Flexible White Acrylic Roof Coating, Reflective Finish Keeps Roof Cool, Great for RV

The Gardner-Gibson Sta-Kool 15-Year Turbo-Dri Elastomeric Roof Coating is a white acrylic coating designed specifically for use on roofs. It offers a reflective finish that helps keep roofs cool, making it a strong choice for energy efficiency. The UV-resistant feature further enhances its durability by protecting the roof surface from sun damage. With a 15-year lifespan claim, this product is formulated to resist cracking and peeling, which highlights its durability and elasticity. The fast drying time of about 0.5 hours is convenient, reducing downtime during application.

Rating
9.4
Reflectivity
Durability
Application Method

Most important from
244 reviews

Reflectivity
Amazingly, after applying this coating, our sun room now maintains the same cool temperature as the rest of the house.
Durability
After using it on my camper roof, it stayed waterproof through multiple storms.
Application Method
Applied smoothly like yogurt and was ready for another coat in just an hour.
Drying Time
Applied smoothly like yogurt and was ready for another coat in just an hour.

Top 10 Best Roof Coatings 2025 in the United States

Henry HE887HS073 Tropicool Roof Coat, 5 Gallon

Type of Coating: 100% silicone
Reflectivity: high
Durability: excellent
Elasticity: performs well
Drying Time: not overly lengthy

Rust-Oleum 4.75 Gallon 301994 Elastomeric Roof Coating, 710 White

Type of Coating: Elastomeric Roof Coating
Reflectivity: 84% initial, 74% after weathering
Elasticity: elastic nature
Application Method: Spray
Drying Time: 6 hours

Henry Coating ROOF Silicone WHT .90G HE887HS042

Type of Coating: Silicone-based
Reflectivity: Semi-Gloss
Durability: Waterproof
Application Method: Spray
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Buying Guide for the Best Roof Coatings

Choosing the right roof coating is essential for protecting your roof from the elements, extending its lifespan, and improving energy efficiency. Roof coatings can help prevent leaks, reduce heat absorption, and provide a reflective surface to lower cooling costs. When selecting a roof coating, it's important to consider several key specifications to ensure you get the best product for your needs.
Type of CoatingRoof coatings come in various types, including acrylic, silicone, polyurethane, and asphalt. Each type has its own set of benefits and is suitable for different roofing materials and climates. Acrylic coatings are water-based and provide good UV protection, making them ideal for areas with moderate weather. Silicone coatings are highly resistant to water and are great for areas with heavy rainfall. Polyurethane coatings offer excellent durability and are suitable for high-traffic roofs. Asphalt coatings are cost-effective and provide good protection for flat roofs. Choose the type that best matches your roof material and local weather conditions.
ReflectivityReflectivity refers to the coating's ability to reflect sunlight and reduce heat absorption. High reflectivity can help lower cooling costs and reduce the overall temperature of your building. Reflectivity is measured as a percentage, with higher values indicating better performance. For example, a coating with 85% reflectivity will reflect 85% of the sunlight. If you live in a hot climate, opt for a coating with high reflectivity to keep your building cooler and save on energy bills.
DurabilityDurability indicates how well the coating can withstand weathering, foot traffic, and other environmental factors. A durable roof coating will last longer and require less maintenance. Durability can be assessed by looking at the coating's resistance to cracking, peeling, and fading. Coatings with higher durability are ideal for roofs that experience heavy foot traffic or extreme weather conditions. Consider your roof's exposure to these factors when choosing a coating with the appropriate level of durability.
ElasticityElasticity refers to the coating's ability to expand and contract with temperature changes without cracking. This is important for roofs in areas with significant temperature fluctuations. Elasticity is often measured by the coating's elongation percentage, which indicates how much it can stretch before breaking. Higher elongation percentages mean better flexibility. If your roof is subject to frequent temperature changes, choose a coating with high elasticity to prevent damage and ensure long-lasting protection.
ThicknessThe thickness of a roof coating is measured in mils (thousandths of an inch) and affects its protective qualities. Thicker coatings provide better protection against leaks, UV rays, and physical damage. However, they may also be more expensive and take longer to apply. The ideal thickness depends on your roof's condition and the level of protection you need. For roofs with existing damage or in harsh environments, a thicker coating is recommended. For newer roofs or milder climates, a thinner coating may suffice.
Application MethodRoof coatings can be applied using different methods, such as brushing, rolling, or spraying. The application method can affect the ease of installation and the quality of the finish. Brushing and rolling are suitable for small areas and detailed work, while spraying is ideal for large, open surfaces and provides a more even coating. Consider the size and complexity of your roof when choosing the application method. If you plan to apply the coating yourself, select a method that matches your skill level and available equipment.
Drying TimeDrying time refers to how long it takes for the coating to dry and cure after application. This can vary depending on the type of coating, weather conditions, and thickness applied. Faster drying times can be beneficial if you need to complete the project quickly or if rain is expected. However, some coatings with longer drying times may offer better performance and durability. Check the manufacturer's recommendations for drying times and choose a coating that fits your schedule and weather conditions.

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