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Competitive Solar Reflectance Comparison

Are All Cool Roof Coatings Equal?


Some roof coatings start out as very reflective but after a few short years, they lose much of their reflectivity.

The Cool Roof Rating Council provides a list of qualifying roof coating products. This list gives an unbiased rating on the performance of competing materials. The following is a list of competitive products you may find in your market. The full list of rated products can be reviewed online at www.coolroofs.org.

Here's how Energy-Seal Coating Performs Against the Competition:
Manufacturer Brand Model Color Category Product Type Solar Reflect. Therm Emit. (3-yr Solar

Reflective Index)
SRI

init 3 yr init 3 yr
Advanced Coating Systems, Inc. Energy Seal Coatings Acu-Shield Bright White acrylic Field-Applied Coating 0.89 0.81 0.89 0.87 101
Advanced Coating Systems, Inc. Energy Seal Coatings Acu-Flex:100 Bright White silicone Field-Applied Coating 0.86 0.70 0.89 0.90 86
Sherwin Williams Uniflex 41-500 Bright White acrylic Field-Applied Coating 0.85 0.57 0.90 0.91 68
Sealoflex Inc. Sealoflex Finish Coat Bright White acrylic Field-Applied Coating 0.85 0.66 0.92 0.90 80
Quest Construction Products HydroStop Premium Finish Coat Bright White acrylic Field-Applied Coating 0.79 0.70 0.90 0.90 86
United Coatings Unisil White Bright White silicone Field-Applied Coating 0.86 0.64 0.85 0.90 80
United Coatings Roof Mate White Bright White acrylic Field-Applied Coating 0.83 0.71 0.92 0.90 87
ER Systems Eraguard SW White Bright White acrylic Field-Applied Coating 0.80 0.70 0.89 0.91 86
ER Systems Eraguard 1000 White Bright White acrylic Field-Applied Coating 0.87 0.69 0.86 0.90 84
Gaco Western
Gacoflex
S2000 White silicone Bright White silicone Field-Applied Coating: 0.88 0.63 0.87 0.89 76
ITW Polymer Sealants Elastek 127 Solar One Bright White acrylic Field-Applied Coating 0.86 0.77 0.89 0.90 95
ITW Polymer Sealants Elastek 129 Poly Tek Pro Bright White acrylic Field-Applied Coating 0.83 0.73 0.92 0.97 89
Insulating Coatings Corporation ASTEC #900 Bright White acrylic Field-Applied Coating 0.85 0.75 0.90 0.90 93
National Coatings AcryShield A500 White Bright White acrylic Field-Applied Coating 0.83 0.73 0.88 0.95 91

The higher the 3-year SRI (solar reflectance index), the better the product performance over time.