Forget expensive AC’s: How a ₹800 DIY roof trick is keeping homes 15°C cooler

The scorching heat waves have already turned several parts of the country into a blast furnace with around 45°C. In fact, as the unbearable heat is surging, people are coming up with new and innovative ways to keep themselves and their homes cool. However, with increasing inflation, spending a hefty amount on air conditioners may not be the best thing for many people in India, and this thought has created a unique way to keep the homes cozy and cool. Here’s a unique DIY roof trick that can keep your home 15°C cooler, too, in just Rs 800.

The cost-effective cooling secret
Instead of shelling out ₹20,000 to ₹30,000 on a brand-new air conditioner, the man utilized a simple, science-backed approach to reflect harsh sunlight away from his home. By creating a reflective layer on his roof, he managed to significantly cut down on heat absorption at a fraction of the cost of traditional cooling appliances.

The three-ingredient mixture
Interestingly, this viral hack relies on three easily available materials: Fixit URP waterproofing solution, white chuna (lime powder), and a Fevicol binder. When mixed together, these ingredients form a durable, heat-reflective coating that keeps the roof and, consequently, the rooms below much cooler.

Step-by-Step process
The process is really simple. Anyone can do it at home. First the man takes some chuna and mixes it with water to get a smooth base. Then he adds Fixit URP and Fevicol binder to the mixture so that Fixit URP and Fevicol binder help the mixture stick well to the surface. He cleans the rooftop well to remove all the dust and dirt. After that he uses a brush and a roller to put the coating on the rooftop so the coating looks nice and smooth on the rooftop. For the best results, he recommended applying multiple layers and letting the surface dry completely under the sun.

Why white roofs actually work
There is science behind this viral hack. The experts say that dark colored The process is really simple. Anyone can do it at home. First the man takes some chuna and mixes it with water to get a smooth base. Then he adds Fixit URP and Fevicol binder to the mixture so that Fixit URP and Fevicol binder help the mixture stick well to the surface. He cleans the rooftop well to remove all the dust and dirt. After that he uses a brush and a roller to put the coating on the rooftop so the coating looks nice and smooth, on the rooftop.roofs get really hot because they absorb a lot of heat. On the hand lighter colored surfaces are totally different. They do not get as hot. White coatings are an example of this. They reflect most of the sunlight that hits them. This helps to keep the rooftop temperature down. It also stops heat from getting trapped inside the house. The viral hack is about using white coatings, on dark concrete roofs to keep the house cool.

Why netizens are amazed
This viral hack has raised a major concern about spending ₹20,000–30,000 on ACs." In fact, this hack instantly struck a chord with netizens tired of rising summer temperatures and soaring power bills. While social media users praised the trick for being budget-friendly and easy to apply, some pointed out that the actual results might vary depending on your specific roof type and material quality.


Alternative cooling hacks
In India the rising temperature has been a big problem. So people are looking for ways to cool their homes. Many households are going back to ways of keeping cool, like using bamboo shades, special sheets that reflect heat, sprinkling water and opening windows for natural ventilation to feel comfortable. This DIY project is part of what a lot of people are doing to stay cool. People like these methods because they are affordable and easy to use.


Can it actually replace an AC?
This ₹800 roof coating is really good at keeping the roof cool and stopping heat from getting. It is not a replacement for an air conditioner when it is hot outside. The ₹800 roof coating is a very useful thing to have. It can make a difference in how cool you feel inside your home. The ₹800 roof coating can also help you use energy.