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Do Reflective Coatings Reduce Heat in Commercial Buildings?

Posted on June 13, 2024

Do Reflective Coatings Reduce Heat in Commercial Buildings?

Reflective coatings, often referred to as cool roof coatings, are a highly effective solution for reducing heat in commercial buildings. These coatings, typically made of white or light-colored materials, are designed to reflect more sunlight and absorb less heat than traditional dark-colored roofing materials. But, do they really work in reducing heat and saving energy? Let’s learn more in today’s post.

More About Reflective Coatings

Reflective coatings function by increasing a roof’s albedo, which is the measure of its ability to reflect sunlight. Dark-colored roofing materials absorb a significant portion of solar energy, converting it into heat, which can cause the building’s interior temperatures to rise. In contrast, reflective coatings can reflect up to 80-90% of incoming sunlight, thereby reducing the amount of heat absorbed by the roof. This process not only helps keep the building cooler but also reduces the strain on air conditioning systems.

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Effects of Reflective Coating

Energy Efficiency

One of the most significant benefits of reflective coatings is their potential to reduce energy consumption. By reflecting more sunlight, these coatings lower the heat load on a building, which means air conditioning systems do not have to work as hard to maintain comfortable indoor temperatures. This reduction in cooling demand can lead to substantial energy savings, especially during peak summer months.

Cost Savings

Lower energy consumption directly translates to cost savings on utility bills. For large commercial buildings, which often have extensive roof surfaces and significant cooling needs, these savings can be considerable. Additionally, some regions offer rebates or incentives for buildings that implement energy-efficient roofing solutions, further enhancing the financial benefits.

Extended Roof Life

Reflective coatings can also extend the lifespan of a roof. Traditional roofing materials can degrade more quickly due to thermal cycling—the process of heating and cooling that causes expansion and contraction. By reducing the amount of heat absorbed, reflective coatings minimize thermal stress, which can reduce the rate of wear and tear and potentially delay the need for roof replacements or repairs.

Improved Indoor Comfort

Reflective coatings contribute to a more comfortable indoor environment by keeping interior temperatures more stable. This is particularly beneficial for commercial buildings with large, open spaces, where temperature regulation can be challenging. Maintaining a cooler interior not only enhances occupant comfort but can also improve productivity in workspaces.

Related: Do You Always Need Roof Coatings?

So, Do Roof Coatings Actually Work?

In many ways, yes they do. But, roof coatings can only work well if it addresses the needs and characteristics of the roof. Factors such as the existing roof material, roof slope, and climate of the region should be considered to determine the most suitable type of reflective coating. Professional installation is recommended to ensure the coating is applied correctly and uniformly, maximizing its reflective properties.

If you plan to improve your commercial roofing with reflective coatings, allow us at Roper Roofing and Solar to help. Call us today or visit our social media page to get started.

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Don't be fooled by a roof that looks unaffected. Our free tool can tell you the exact dates and how many times your roof was hit by extreme weather.
By checking this box, I authorize Roper Roofing and Solar to send me marketing calls and text messages at the number provided above, including by using an autodialer or a prerecorded message. I understand that I am not required to give this authorization as a condition of doing business with Roper Roofing and Solar. By checking this box, I am also agreeing to Roper Roofing and Solar Terms of Use and Privacy Policy.