Hot region countries Cool Tech brought this facility in Pakistan in 2000. Approx: 4000 sq ft clean Area can be done within a day without any disturbance and noise. You can use your roof conveniently and you can search that type of coating on internet by any search engine like yahoo goggle etc. Just mention HEAT REFLECTION WHITE COATING Your Air Conditioner Bill will be cut by around 20 to 30%. Recommended by Engineers and consultant all over the world.