This is one of common techniques that many people follow in India. On high level, the rooftops are coated with lime (चूना); this can bring the temperature down by almost 5 degrees.
Here is process:
- Soak 20 kgs of lime overnight in water.
- Next morning mix 1/2 kg of hide glue. You may use any other adhesive that can be added to lime solution; check with the hardware store in your area. For e.g., in case the roof has cracks, fevicol can be used instead of hide glue.
- Paint those areas of rooftop that are exposed to sun.
It is said that this much of material is sufficient for covering 300 sq. feet area.
For more cooling, another coating can be applied.
Friday, May 15, 2009
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