![HOW IS AN SRI VALUE DETERMINED?An SRi value is calculated using the roof surface’s Solar Reflectant [SR] and Thermal Emi...](https://img3.engineering10.com/866/547/122153578448665473.jpg)
16/01/2026
HOW IS AN SRI VALUE DETERMINED?
An SRi value is calculated using the roof surface’s Solar Reflectant [SR] and Thermal Emittance [TE]. The diagram below describes SR and TE, which are measured values that range form 0 to 1, with 1 being the most reflective or emissive
