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Top 6 Silicone Roof Coatings in 2023 & Expert Tips For A Successful Application

Posted on October 23, 2023

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Top 6 Silicone Roof Coatings in 2023 & Expert Tips For A Successful Application

Silicone coatings can dramatically extend the lifespan of low sloped and flat roofs. However, you must choose a high quality product from a reputable brand to ensure its effectiveness on your roof. To help you select the best silicone roof coating, our experts have picked the top-performing products of 2023. Our list will help you make a wise choice that suits your budget and requirements.

2023’s Best Performing Silicone Coatings For Roofs

These products have been selected after carefully reviewing their formulation, customer feedback, and unique additional qualities.

#1 GacoRoof 100% Silicone Roof Coating by Gaco™

GacoRoof 100% Silicone Roof Coating

GacoRoof is an exceptional product that offers outstanding advantages. This Gaco silicone roof coating is known for its convenience, no primer application, permanent flexibility, and remarkable resistance against the elements. With a 50-year limited material warranty, choosing this product is a decision that offers both quality and peace of mind. It’s certainly won customers over, providing them with a cost effective, long lasting solution for their roofing needs.

Application: Two coat application, and covers an area of 100 square feet per gallon.

Cost: $255.00 for a 5 gallon pail.

#2 Enduris 3500 by GE Silicones

Enduris 3500 by GE Silicones

GE’s Enduris 3500 is a cutting edge roof coating that offers seamless, durable, and highly flexible results in extremely challenging environments. Its compatibility with a wide range of roofing substrates, extended warranties of up to 20 years, and environmental compliance, make it a promising choice for roofing projects. Whether you prioritize performance, environmental responsibility, or aesthetic versatility, the Enduris 3500 coating delivers on all fronts, setting a new standard for roofing excellence.

Application: One coat application.

Cost: $289.95 for a 5 gallon pail.

#3 Pro-Grade® 988 Silicone White Roof Coating by Henry®

Pro-Grade® 988 Silicone White Roof Coating

Pro-Grade 988 has shown highly impressive results over the years. Henry’s silicone roof coating can safeguard many types of flat roofs from leaks and weather damage, including single ply roofing membranes, metal, and built-up roofing systems. Its adaptability to different roofing materials and profiles, along with its ability to form a watertight seal, ensures a long lasting, worry free solution.

Application: Single and double coat variants available.

Cost: $354.61 for a 4.75 gallon pail.

#4 PERMASIL PLUS™ by Nationwide Protective Coating Manufacturers

PERMASIL PLUS™ by Nationwide Protective Coating

PERMASIL PLUS is a silicone hybrid roof coating that combines the power of silicone and acrylic resins for unbeatable water resistance and thermal shock durability. It’s a versatile choice for flat or sloped roofs, as it is suitable for various substrates. With its matte finish, it adds an aesthetic touch while reflecting UV rays and offering ceramic insulation. Plus, it boasts a Class A fire rating, ensuring the protection of your building and its occupants.

Application: Two coat application, with coverage of 100 to 150 square feet per gallon. 

Cost: A consultation is required prior to purchase.

#5 Sikalastic®-500 by Sika®

Sikalastic®-500 by Sika®

Sikalastic®-500 is a liquid applied silicone coating for roofs with exceptional UV resistance, due to its reflective top coat, and superior waterproofing capabilities. Moreover, its outstanding durability, ease of application, and versatility for use on various surfaces make it a top choice for many roofing projects. With a quick cure accelerator and multiple packaging options, it caters to specific project needs. Additionally, its wide range of colors and eco-conscious certifications showcase the company’s commitment to both aesthetics and sustainability.

Application: Apply two coats for a more even surface, with a coverage rate of 1.5 to 2.5 gallons per 100 square feet.

Cost: A consultation is required prior to purchase.

#6 Eterna-Kote® by Black Jack® 

Eterna-Kote® by Black Jack® 

Eterna-Kote is a 100% silicone roof coating that forms a watertight bond, offering superior protection for all types of roofs. Its crack resistant, elastic finish ensures durability, and it is best for areas prone to ponding water. In both hot and cool environments, it dries to a white color that is highly reflective, reducing energy costs. Its high solids formula offers more coverage and the convenience of a primer and coating in one.

Application: One coat application, with coverage of around 71 square feet per gallon. 

Cost: $374.99 for a 5 gallon pail.

Choose one of the above coatings with careful consideration of relevant factors, such as cost, application method, manufacturer requirements, and more. It’s also important to take a look at some crucial steps you should take before getting started with your roof coating project.

Tips For A Successful Roof Coating Project

Proper planning and execution are key to achieving the best results and maximizing the longevity of your roof. Ensure the success of your roof coating project with the following tips:

Professional Installation

While the DIY approach might seem tempting, it’s highly recommended to hire a roofing contractor for the job. Experienced roofers have the skills and certifications necessary to apply the roof coating correctly. This ensures optimal coverage and adhesion, a major requirement for cost effective results. Moreover, most manufacturers require professional application for the warranty to remain valid.

Surface Preparation

Before applying any coating, the roof’s surface must be thoroughly cleaned and prepared. This includes removing debris, dirt, and any loose or damaged roofing materials. Proper surface preparation is essential for your silicone roof coating to adhere effectively.

Product Selection

Choose the right silicone coating product for your specific roofing needs. Each of the products listed in our recommendations offers unique features and benefits. Consult with your roof coating installer to determine the best product based on your roof’s condition, climate, and your budget.

Application Guidelines

Follow the manufacturer’s recommended application guidelines for the chosen coating. These guidelines will specify the number of coats required, coverage rates, climate requirements, and any special instructions. Proper application is critical for the coating’s performance and longevity.

Weather Considerations

Pay attention to weather conditions during the application. Most silicone coatings should be applied in dry and moderate temperatures. Avoid applying the coating during rainy or extremely hot conditions, as this can affect the curing process. However, some coatings have a drying time of just 15 minutes. Choose a coating that aligns with your local weather patterns and project timeline.

Warranty and Documentation

Keep records of the installation, including the product used, application details, and any warranties provided by the manufacturer. This documentation is valuable in case you need to make a warranty claim in the future.

Safety Precautions

Roof coating projects can involve working at heights and handling chemicals. Make sure all the safety measures are in place to protect both the workers and the property. A reputable and experienced local roofing contractor should be well equipped to handle roof safety concerns.

Environmental Considerations

Be aware of environmental regulations in your area. Some silicone roof coatings may have specific environmental requirements or restrictions, so ensure your project complies with local regulations.

Budget Planning

Understand the total cost of your roof coating project, including not just the cost of the coating, but also labor and any additional materials or equipment required. This will help you avoid unexpected financial surprises during the project.

By selecting the right product and following these tips, you can guarantee the success of your roof coating project and dramatically extend the lifespan of your roof. If you want to coat your roof with the best silicone coating in Pennsylvania, our experts can help.

Discuss Your Roof Coating Project With Pittsburgh’s Most Reliable Contractor

At Hepler Contracting, we’ve been restoring and repairing roofs in Pittsburgh for many years. Our roof coating experts have extensive experience in the industry, and they’ve worked with all kinds of coatings and roofing systems. If you want a reliable and affordable roof coating service in Pittsburgh that utilizes the best silicone roof coatings, give us a call today! You can reach us at (412) 694-8785 to schedule a free consultation and estimate on your roof coating project.

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