Solar Reflectance Index shingles India

Breaking the Heat Bridge: Radiative Physics and Cool Roof Granule Engineering for Tropical Homes

• September 17, 2026
• admin

In tropical and coastal architecture, managing the thermal envelope is the single biggest factor dictating lifetime operational energy costs. During peak summer months across South India, horizontal solar irradiance regularly reaches 800 to 1,000 Watts per square meter. When this intense solar energy strikes conventional, dark, or non-reflective roofing materials, up to 90% of that …