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Roof coatings can help increase the lifespan of your roof. If you have an EPDM roof on your building and are looking for protective sealants, you might get confused seeing the hundreds of options online.
In this complete guide, we have listed some of the top-rated EPDM roof sealants in 2024. This article will help you understand everything about EPDM roof coatings and find the best option for your needs in 2024.
If you are looking for EPDM roofing services in Pittsburgh and the nearby areas in Pennsylvania, we are here to assist you. Just call our experts today at (412) 353-5660.
What is an EPDM Roof Coating?
Before directly jumping to the top EPDM roof coating choices, here we will briefly discuss what EPDM roof coatings are. It is a special rubber-like liquid that you can apply on your flat roof to keep it safe and strong.
An EPDM roof coating is like giving your roof a protective blanket that guards against sun damage and tough weather. These coatings are also good at stretching and moving as your roof contracts due to weather changes.
EPDM roof coatings come in different types, and most people like them because they're easy to put on and last a long time. They are especially good for flat roofs and can help save money on energy bills by keeping your building cooler in summer.
Top EPDM Roof Coatings for 2024
There are many EPDM roof coating options available on the market:
#1 GacoFlex™ S42 Series Elastomeric Silicone Roof Coating
GacoFlex S42 Series Elastomeric Silicone Roof Coating is a 100% silicone EPDM rubber roof coating that creates an impenetrable barrier against ponding water and harsh UV rays.
This powerful EPDM roof sealant offers a 96.5% solids content, 275 psi tensile strength, and 196% elongation. The coating has excellent water vapor permeability at 6.4 perms and a high initial reflectance of 0.87, reducing energy costs.
It is suitable for application over EPDM membranes up to 30 years old and can be applied in a single or two-coat system depending on the membrane thickness and age.
The coating provides long-lasting protection and helps extend the lifespan of the EPDM roof while improving its thermal performance.
#2 Armor Roof Shield
Armor Roof Shield provides great flexibility. It features an extremely low moisture vapor transmission rate of 0.025 perms to prevent water intrusion as the coating ages.
With 500% minimum elongation and 99.9% elongation memory, Armor Roof Shield can withstand roof movement. Its stability also provides superior abrasion resistance and foot traffic protection.
The coating offers exceptional solar reflectivity to reduce energy costs and carries a 15-year manufacturer's warranty against leaks when applied to the entire roof.
Armor Roof Shield is compatible with various roofing substrates, including EPDM, modified bitumen, and built-up roofs, providing a strong, long-lasting solution to extend the life of aging commercial roofs while improving their thermal performance.
Available in white, light gray, and more, it's perfect for properties needing high flexibility and excellent waterproofing.
#3 Rust-Oleum® 710 Elastomeric Roof Coating
The Rust-Oleum elastomeric roof coating is designed to work well on a variety of roof types, including EPDM roofs. The coating forms a durable, waterproof seal that helps keep your roof in top condition.
One of the best things about this coating is that it's highly reflective. In fact, it has an 80% reflectivity rating, which can help lower your energy costs by reducing how much heat the roof absorbs. This "cool roof" technology makes it an excellent liquid EPDM roof coating.
The coating is also flexible, staying pliable down to minus 10 degrees. This means it can expand and contract with the roof as temperatures change without cracking or peeling. And with a 10-year warranty, you can trust that it will continue to protect your EPDM roof for many years to come.
#4 APOC® 243 Advanced Elastomeric White Roof Coating
APOC 243 elastomeric roof coating is another popular EPDM roof coating that stands out for its performance. This flexible coating provides excellent durability. The siliconized formula is popular for its water protection and adhesion, making it one of the best EPDM roof coating options for long-term protection.
Like all other EPDM roof coatings, you will need to make sure that your roof's surface is clean, dry, and free of rust or debris. However, this coating must be applied in temperatures above 60 degrees and up to 110 degrees.
While many liquid EPDM roof coating products require special preparation, APOC 243 offers a simple and straightforward application. All you need to do is apply two uniform coats with an exterior paint roller, brush, or sprayer.
The two-coat system should be applied perpendicular to each other and at least 24 hours apart. APOC 243 advanced elastomeric white roof coating meets ASTM D6083 requirements and is rated by the Cool Roof Ratings Council (CRRC), which makes it a trusted choice among EPDM roof coating materials.
#5 Liquid Butyl Rubber
Liquid Butyl Rubber is a durable EPDM roof coating. This option has a revolutionary chemical bonding process. The butyl rubber roof coating is a liquid that chemically bonds with the substrate through an innovative cross-linking process, comprising approximately 98% isobutylene and 2% isoprene.
The coating's really nice performance extends beyond its chemistry. We have included this product on our list of best EPDM roof coatings because it requires only a single coat and no primer before the application. This simple application process will automatically reduce your labor and material costs. Its temperature resistance range (minus 60 degrees to over 200 degrees) and rapid water resistance (within two hours) make it a practical choice for any roof.
It is available in various colors, including Energy Star-qualified white. This coating for EPDM roof applications can protect your roof for a long time, with original applications lasting over 20 years. It's particularly effective for commercial applications, including food storage facilities, marine environments, and industrial settings where chemical resistance is important.
#6 Henry Pro-Grade® 988 Silicone White Roof Coating
Last but not least, Henry Pro-Grade 988 Silicone White Roof Coating is another premium EPDM roof coating material on our list. It offers a really powerful technology with its Dirt Pick-Up Resistance (DPUR) formula. This advanced liquid EPDM roof coating solution maintains its brightness and reflectivity longer than standard coatings, contributing to sustained energy savings. The 100% silicone moisture-cure technology makes it one of the most effective EPDM roof coatings for long-term weather protection.
This coating for EPDM roof systems is versatile with a wide application temperature range (35 degrees to 120 degrees). Its solvent-free formula allows for thick single-coat applications without blistering and for maximum adhesion. The coating becomes rain-safe in just 15 minutes and offers permanent resistance to ponding water, which is an important feature for flat EPDM rubber roofs.
This EPDM roof coating solution also provides great resistance to mold and mildew. It comes with VOC compliance and can be easily applied by spray, roller, or brush. You can find this EPDM roof coating in white, gray, and tan.
Henry Pro-Grade 988 Silicone White Roof Coating is suitable for various commercial and industrial applications requiring superior protection.
What sets this product apart in the EPDM roof coatings market is its ability to chemically bond with roof substrates during the curing process, creating an exceptionally durable seal.
Final Thoughts!
All the products on our list come with specific application requirements and distinctive features. Consider your local climatic conditions and specific performance needs before choosing the right EPDM roof coating for your roof. If you aren’t sure which option is best, our team of professional roofers is here to assist you in choosing the right materials.
You might also like: The Ultimate Guide to Roof Coatings (& Pros and Cons of Each Type)
Get A Custom Quote For Your EPDM Roof In Pennsylvania
At McClellands Contracting and Roofing, LLC, we're your local experts for EPDM rubber roofs in Pittsburgh and nearby areas. We keep things simple, whether your roof needs quick repairs or it's time for a new one, our team knows exactly what to do. Our workers have been doing this for years and know EPDM roofs inside and out.
We take pride in doing quality work and making sure our customers are happy - it's why so many people in the area trust us with their roofs. If you'd like to talk about your roof or get an estimate for your project, just give us a call at (412) 353-5660. We're always happy to help and can answer any questions you have about your roofing project.
Frequently Asked Questions
A. Some popular brands of roof coatings include GAF, Henry, Gaco, Karnak, and AMES. These brands offer a variety of coatings for different types of roofs and specific needs.
A. While some roof coatings are designed for DIY application, it's often best to hire a professional roofer to apply the coating. They have the experience and equipment to ensure the coating is applied correctly.
A. Before coating your roof, make sure it's clean and in good condition. Fix any leaks or damage first. Choose a coating that's right for your roof's material and the climate. Consider hiring a professional roofer for the best results. Some popular coating types include acrylic, silicone, and polyurethane. Remember to check the warranty and maintain your roof regularly.
