The claim that a cool roof cuts cooling costs by 30 percent gets repeated often, but the real number depends far more on your building than on the coating. This guide breaks down how reflective coatings lower heat gain on San Antonio commercial roofs, what savings are realistic, and which factors decide whether your property is a strong candidate.

A dark low-slope roof in San Antonio can hit 190 degrees on an August afternoon, and your cooling system pays for every bit of it. Here's what reflective roof coatings actually save, how solar reflectance and thermal emittance work, and when recoating makes more sense than living with a hot roof.