Covered 2,31,545 sq ft till date.Saving energy & carbon footprint footprint
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IIT Bombay

Make In India

GRIHA Council

Thermacool is a high performance, exterior surface coating with excellent infra-red heat reflection properties. The primary benefit is 15°C to 20°C reduction in roof top temperature, depending on the surface. Thermacool Coating is a patented solution, uniquely designed and developed by Indian Institute of Technology, Bombay.

  • Thermacool 0.3C and Thermacool 0.3M are patented products from IIT-Bombay
  • A 100% Make in India initiative product

Salient Features

  • Thermacool is a high performance, exterior surface coating with excellent infra-red heat reflection properties. Thermacool Coating acts on and reflects the ‘near infra-red rays’, which consist of 52% of the solar energy distribution in sunlight.
  • Thermacool Coating provides an innovative, dual heat-barrier mechanism. This comprised of a surface phenomenon of high infra-red heat reflection, coupled with excellent thermal insulation, delivering heat blocking efficiency.
  • The paint system termed as ‘Cool Roof Coating’ system has been tested for a solar reflectance index (SRI) of 102, approved by CEPT University based on ASTM method.
  • This Coating can be applied on both concrete and metallic surfaces, with minimal surface preparation. This ensures ease of application and quick deployment in less time.
  • It has ultra-superior weather-resistant component, which besides reflecting solar heat, protects the structure form environmental degradation. No rusting, film delamination and blistering observed in Condensation Test, Salt Spray test and Alkali Resistance Test. Tested by Corrosion Science & Engineering Division, Department of Metallurgical Engineering & Material Science, Indian Institute of Technology, Powai, Mumbai.


  • Thermacool Coating delivers thermal comfort to residents from solar heat. It reduces the top surface (rooftop) temperature exposed to sunlight by 15°C to 20°C, depending on hot summers.
  • The lowering of ambient temperature (indoor room temperature) by 4°C to 8°C provides cooler and comfortable environment for the occupants. This enhances the living and working conditions, delivering improved productivity.
  • Thermacool Coating generally delivers upto 25% to 40% power savings. This is due to lesser load on cooling devices like air-conditioners, air coolers, ceiling fans & cooling units.
  • This solution has the advantage of quick and easy deployment within 2-4 days, this ensures direct application without set-up or pre-work while ensuring cost savings.
  • The dual heat-barrier mechanism and weather-resistant components minimizes wear & tear due to thermal expansion. This prevents environmental degradation and enhances the quality of the structure.
  • Thermacool 0.3C Coating is approved by established green building body; Green Rating for Integrated Habitat Assesment (GRIHA) Council.
  • High Solar Reflectance Index assists in the global motto of reducing Carbon footprint. This makes it eco-friendly and a futuristic solution.

Use Cases for Thermacool Coating