Mastic asphalt is a mixture of limestone and bitumen commonly used for roofing, tanking, paving and flooring. The bitumen and closely graded stone are added together to form a molten mass that is ...

As the much hailed mastic asphalt mixture, which was laid on the Pamban Road bridge, turned out to be ‘slippery’ instead of smooth as expected, the National Highway (NH) authorities have decided to ...