#Terracetechnology to cool down #Chennai city
Believed to have been around since the 18th Century, the #MadrasTerrace #roofingtechnique may have been a mingling of British and native engineering
It involves the use of #woodenbeams, generally teak, across the two opposite walls requiring a roof, with each beam placed about 18 to 24 inches apart.
https://www.thehindu.com/news/cities/chennai/made-in-madras-terrace-technology-to-cool-down-the-city/article67212520.ece
Made in Madras | Terrace technology to cool down the city

Madras: hot air & sultry heat, but locals have evolved ways to cool down. Madras Terrace roofing, believed to be 18th C mix of British & native engineering, uses wooden beams, clay bricks & lime mortar to filter out hot air & resist rain. Popular in TN & South India. Humayun Mahal of Chepauk Palace has recently restored its Madras Terrace roof.

The Hindu