Roof coatings have become increasingly popular for flat surfaces due to their numerous benefits. They are a cost-effective solution that can extend the life of a roof while reducing energy consumption and saving money on heating and cooling bills.

In this blog post, we will explore roof coatings classes and their pros and cons. So, if you are looking to coat your new or existing roof, read on to find out which type of roof coating is best for your specific needs.

Roof Coatings: What Are They

If you want to know the many benefits of roof coatings, it is important to learn about them first. Roof coatings are liquid-applied substances used to cover and protect the surface of a flat or low-sloped roof. 

These coatings are designed to adhere to various roofing materials, including metal, concrete, modified bitumen, and single-ply membranes. Roof coatings can be applied to existing roofs and new roofs. They are applied using a variety of methods, including spraying, rolling, or brushing.

Classes of Roof Coatings

Solvent-Based Roof Coatings

Solvent-based roof coatings have been used for years as a protective layer for roofs. They are typically used on commercial and industrial roofs and are particularly effective on metal and concrete surfaces. 

Pros

• They effectively seal the roof surface, preventing water penetration and potential leaks. 
• They adhere well to roofing materials, including metal, asphalt, and concrete. 
• Suitable for use on a wide range of roofs.
• They can last for several years with proper maintenance.
• They resist UV rays and other weather elements, ensuring the roof remains protected.
• Solvent-based coatings are easy to apply using a brush, roller, or spray. This makes the application process quick and straightforward, allowing you to finish the job faster.

Cons:

• They contain volatile organic compounds (VOCs) that can harm the environment. 
• Solvent-based coatings are highly flammable and pose a fire risk if not handled carefully. This makes them unsuitable for use in areas with high fire risk.
• They require a longer drying time compared to water-based coatings.
• More expensive than other types of coatings

Water-Based Roof Coatings

Water-based are commonly used on residential and low-slope commercial roofs and offer a range of colors and finishes. While they have several benefits, there are also some potential drawbacks to consider before choosing a water-based coating for your roof. 

Pros:

• Environmentally friendly
• Easy to apply using a brush, roller, or spray.
• They are also quick-drying, which makes the application process faster and more convenient.
• They are more affordable than solvent-based coatings, making them accessible to those on a budget.
• They are available in reflective formulations that can help reduce the heat absorbed by the roof. This can lead to lower energy consumption and reduced cooling costs.
• Creates a seamless membrane when applied over the entire roof area.

Cons:

• They may require more frequent maintenance. They are also less resistant to weather elements and may need to be reapplied more frequently.
• They may not adhere well to roofing materials like metal or concrete. This can limit their versatility in terms of application.
• They are only available in limited colors, which can limit the roof’s aesthetic appeal.
• Requires longer curing time compared to solvent-based coatings.

100 Percent Solids Roof Coatings

100 percent solids roof coatings are typically made from epoxy or polyurethane and offer excellent resistance to chemicals, abrasion, and weathering. They are commonly used on high-traffic commercial and industrial roofs and require specialized equipment and training to apply.

Pros

• They are known for their durability and can last up to 20 years with proper maintenance.
• They also resist weather elements and UV rays, ensuring the roof remains protected.
• Available in reflective formulations can lead to lower energy consumption and reduced cooling costs.
• You can apply them to roofing materials, including metal, asphalt, and concrete. This makes them suitable for use on a wide range of roofs.
• They are resistant to chemicals, which can protect the roof from damage caused by pollutants or harsh weather conditions.

Cons

• Generally more expensive than other types of coatings.
• Requires proper surface preparation to ensure good adhesion.
• Takes a longer time to cure, which can cause inconvenience during the application process.

At Everlast Coatings, we offer all the classes of roof coatings above. We also have the most used roof coatings, such as:

• Elastomeric roof coatings
• Silicone coatings
• Polyurethane coatings
• Acrylic coatings

Related: Choose the Right Roof Coating System For Your Home

Benefits You Can Get With Roof Coatings

Choosing the right roof coating for your needs will bring you many benefits. So what are these? Let’s take a look at each one.

Increased Longevity

One primary benefit of roof coatings on flat surfaces is increased longevity. Coatings can protect against weather damage and other forms of wear and tear, extending the lifespan of your roof. Roof coatings also create a barrier that can prevent water from penetrating the surface, preventing moisture damage and leaks. 

By extending a roof’s lifespan, building owners and managers can save money on expensive repairs and replacements.

Energy Efficiency

Another benefit of roof coatings on flat surfaces is increased energy efficiency. Coatings can reflect sunlight and heat, reducing the amount of energy needed to cool the building. This can lead to significant savings on heating and cooling bills.

Reduce the Urban Heat Island Effect

Coatings can also help reduce the urban heat island effect, making cities significantly hotter than surrounding areas. By reducing the amount of heat absorbed by buildings, roof coatings can help mitigate this effect.

Improved Aesthetics

Roof coatings can also improve the appearance of flat surfaces. Coatings are available in a wide range of colors and finishes, allowing building owners and managers to choose a coating that complements the building’s design. 

Additionally, coatings can cover up blemishes and stains on the roof’s surface, making it look new and fresh. This can be particularly important for businesses that want to make a good impression on customers or clients.

Cost-Effective Solution

Roof coatings on flat surfaces are cost-effective for building owners and managers. Coatings are less expensive than full roof replacements and can be applied quickly and easily. Additionally, coatings can help reduce energy consumption and save money on heating and cooling bills. 

Reduced Environmental Impact

Roof coatings can also positively impact the environment. Coatings can reduce energy consumption by reflecting sunlight and heat. Additionally, coatings can help reduce the urban heat island effect, which can significantly impact the environment. 

By reducing the amount of heat absorbed by buildings, roof coatings can help mitigate this effect and reduce the overall impact of urban development on the environment.

Easy Maintenance

Roof coatings on flat surfaces are easy to maintain. Coatings require little maintenance beyond regular cleaning. Additionally, if the coating is damaged, it can be easily repaired without needing a full roof replacement. This can save building owners and managers time and money on maintenance and repairs.

Conclusion

Overall, roof coatings have become an increasingly popular solution for extending the life of a roof, reducing energy consumption, and saving money on heating and cooling bills. Whether you choose a solvent-based, water-based, or 100 percent solids coating, each type has its unique set of pros and cons. By taking the time to research and choose the right coating, you can ensure that your roof remains protected and functional for many years to come.

If you want to know more about roof coatings, visit Everlast Coatings for more information. Whether it’s elastomeric roof coating, acrylic coating, or a polyurethane coating, we can provide relevant answers.

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