Forget expensive AC’s: How a ₹800 DIY roof trick is keeping homes 15°C cooler
etimes.in / May 27, 2026, 17:57 (IST)
Facing scorching heat and rising AC costs, an innovative DIY roof coating offers a budget-friendly solution. Using readily available materials like lime powder, waterproofing solution, and binder, this simple hack can significantly cool homes. Experts confirm the science behind white surfaces reflecting sunlight, making this an affordable alternative for beating the heat.