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What Are Roof Coatings?

October , 2023 | 6 min. read

By Anthony Marzbanian

home with metal accent

Every home needs a steady foundation to help it last for years to come. When you think about the most critical elements of a home, what do you think of? Maybe it's the walls or the foundation itself- but you'd be surprised to know how many wouldn't guess the roof. A healthy roof protects the home from damaging forces on the outside- like strong winds, animals, and rain. Without a well-established roof, the structure of your home simply can't perform at its best. 

Keeping how essential roofing systems are in mind, numerous products and applications are made specifically to help them last longer. Roof coatings are one of them- and can help extend the life of your home, saving you time and money. So, what's there to know about roof coatings? Are they essential for roof health? Do they live up to manufacturer claims? 

At RoofCrafters, we've repaired and replaced roofing systems of all types since 1993. We've seen some roofs last for years and have seen others last for decades. We know first-hand that how you take care of your roof and what materials/products you use on it have a direct impact on how long it'll last. This article covers all you need to know about roof coatings for residential and commercial properties. By the end, you'll have a better understanding of if you want or need roof coating for your home or establishment and if it's worth the hype. If you're ready to begin, so are we! 

Understanding Roof Coatings 

 

Roof coatings are essential components in the maintenance and protection of various types of roofs. These coatings serve as a protective layer applied to existing roofing materials, providing an additional barrier against weather, UV rays, and general wear and tear. The coatings are available in various forms, including acrylic, silicone, polyurethane, bitumen-based, and elastomeric.

Application and Purpose: The application of roof coatings involves a seamless process that can be easily applied to flat or low-sloped roofing surfaces, offering a quick and effective way to restore or enhance the roof's performance. The primary purpose of roof coatings is to extend the lifespan of the existing roof by providing an additional layer of protection. The coatings act as a shield against environmental elements, reducing the effects of direct sunlight, weathering, and water damage.

Benefits: Roof coatings offer several advantages, such as enhancing the roof's durability, reducing energy consumption, and minimizing the need for roof replacements. They can improve the roof's reflective properties, lowering the building's temperature and reducing the load on air conditioning systems, thus promoting energy efficiency. These coatings are designed to be waterproof, preventing water infiltration and reducing the risk of leaks and mold formation.

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Types and Versatility: Each type of roof coating offers different characteristics and benefits. Acrylic coatings are cost-effective, easy to apply, and provide good UV protection. Silicone coatings offer exceptional UV resistance and waterproofing. Polyurethane coatings offer superior durability and provide excellent protection against foot traffic. Bitumen-based coatings are helpful for their adhesion properties, particularly on asphalt roofs. Elastomeric coatings are known for their flexibility and ability to expand and contract with temperature changes.

Considerations and Application: Before applying a roof coating, thorough cleaning and preparation of the existing roof surface are necessary to ensure proper adhesion. While these coatings offer significant benefits, the success of the application largely depends on the climatic conditions and correct installation. Professional contractors understand the best type of coating suitable for different roofs and will ensure the application is performed correctly for optimal performance.

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What Types of Roof Coatings Are There?

 

There are various types of roof coatings, each offering distinct advantages and applications. Understanding the different types helps in selecting the most suitable coating for specific roofing needs! Some of the primary types of roof coatings include acrylic, silicone, polyurethane, bitumen-based, and elastomeric coatings.

Acrylic Coatings: Acrylic coatings are cost-effective and easy to apply. They provide reasonable protection against UV rays and are generally used on many roofing materials. Their reflective properties assist in reducing heat absorption, thereby keeping the building cooler. This type of coating is particularly suitable for flat or low-sloped roofs. Acrylic coatings are available in various colors and are considered environmentally friendly.

Silicone Coatings: Silicone roof coatings offer excellent UV resistance and outstanding waterproofing capabilities. They are highly durable and exhibit superior weather resistance. These coatings provide flexibility, making them suitable for extreme temperature fluctuations, and they maintain their elasticity over time. Silicone coatings are commonly applied to various substrates and are ideal for flat or low-sloped roofs.

Polyurethane Coatings: Polyurethane roof coatings offer exceptional durability and toughness. They are known for their high resistance to foot traffic and mechanical damage, making them suitable for high-traffic areas. These coatings are often used to restore and protect various types of roofs, especially those exposed to harsh conditions or environmental elements.

lowcountry home with metal accents

Bitumen-Based Coatings: Bitumen-based coatings, or asphalt-based coatings, are known for their adhesion properties. They are compatible with asphalt roofs and are often used for built-up roofing systems. These coatings offer superior waterproofing and protection against moisture, making them an excellent choice for waterproofing flat roofs.

Elastomeric Coatings: Elastomeric coatings are highly flexible and possess excellent elasticity. They are suitable for roofs that expand and contract with temperature changes. This flexibility allows the coating to move with the roof, reducing the risk of cracks or leaks. Elastomeric coatings are commonly used for metal, concrete, and modified bitumen roofing systems.

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Will Roof Coatings Benefit My Home?

 

Absolutely! Roof coatings serve as an effective protective layer that helps extend the life of existing roofs, offers energy-saving benefits, and provides a shield against various environmental elements. When considering a roof coating, it is essential to understand the different types available and their unique advantages to make an informed decision for enhancing the longevity and functionality of your roof.

Remember that roofing professionals are available and more than ready to take on your project. We know that new roof installation can sound daunting and a bit confusing, but that's why experts are here! When it comes to your home, you deserve the smoothest transition from one roof to another. 

At RoofCrafters, we want you to know that the roof of your dreams is only a number dial away. If you need to do a little more research before you make any commitments, however, take a look at our learning center! No matter if your roofing concern is big or small, we have you covered from the beginning to the very end of the process. If you're ready to get in touch with one of our awesome representatives, head over to our cottage page.

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Anthony Marzbanian

My name is Anthony, and I am the lead estimator of RoofCrafters’ Georgia/South Carolina division. The roof is the most important part of a structure, and people count on that to protect themselves and their families. That is one of the many reasons why I love my job and enjoy coming to work every day. The continuous training, honesty, and providing the customer with the Roofcrafters experience is what makes me the best in the business.