Desi Cooling Hack: ₹850 Roof Coating Lets Man Walk Barefoot in 44°C Heat
A viral video shows a cheap ₹850 roof coating using lime, binder and waterproof compound that reduces terrace temperature by up to 15°C, letting a man stand barefoot even in 44°C weather.
A low‑cost DIY roof coating claimed to cut temperature by 15 °C is going viral. The video shows a man comfortably standing barefoot on a scorching terrace.
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Amid a severe heatwave that has pushed temperatures above 44 °C across many Indian cities, a DIY cooling method is rapidly gaining attention on social media. The video, posted on X by user @dks_230, claims that a simple coating costing roughly ₹850 can make a terrace cool enough to walk on barefoot even under direct sunlight.
In the clip, a man steps onto his roof during the peak of the afternoon sun, standing barefoot without showing any sign of discomfort. Normally, cement roofs become unbearably hot within seconds, but the coating appears to keep the surface significantly cooler.
The homeowner explains the mixture: about 20 kg of lime, 5 kg of binder and a small quantity of waterproofing compound. First, the lime is soaked in water overnight. Then the binder and waterproofing agent are added to create a thick paste, which is spread evenly over the entire roof.
According to the creator, this process lowers the roof temperature by roughly 15 °C. He also notes that the interior of the house feels noticeably cooler, reducing the need for continuous air‑conditioner or cooler operation. The cost for covering approximately 1,000 sq ft of roof stays within the ₹800‑₹850 range.
Social media users have praised the hack, comparing it to spending ₹20‑30 k on air‑conditioners. One comment reads: “People spend 20‑30 k on AC… this brother got 15 °C free cooling on the roof!”
The video also mentions that after applying the coating, even a regular fan seems to deliver cooler air, further cutting energy expenses.
TV9 Bharatvarsh, the Hindi news platform of the TV9 network, reported the story, highlighting the growing interest in low‑cost, locally sourced solutions to combat the relentless heat.
Other related headlines on the site include a cockroach found in coffee at a popular Ahmedabad café and updates on the Charbag railway accident, but the cooling hack remains the focal point for many readers seeking relief.