Cool Paint Coatings for Urban Heat Mitigation

This technical report discusses the findings of a study conducted by researchers at Nanyang Technological University (NTU) regarding the effectiveness of cool paint coatings in mitigating the urban heat island (UHI) effect. The study, published in Sustainable Cities and Society, outlines a real-world experiment conducted in Singapore where cool paint coatings were applied to roofs, walls, and road pavements in an industrial area. The results indicated that these coatings reduced air temperature by up to two degrees Celsius and improved pedestrian thermal comfort by up to 1.5 degrees Celsius. The report details the methodology, including the use of environmental sensors to monitor conditions in both coated and uncoated areas over a two-month period. The findings suggest that cool paint coatings can significantly lower heat absorption and contribute to urban cooling, making them a viable solution for cities facing rising temperatures due to climate change. The report emphasizes the potential for broader application in urban planning to enhance comfort and reduce energy consumption.