1 durable: Can endure high temperature and low temperature, can resist bad weathers. Zinc- aluminum coating and stone chip coating can anti-corrupt effectively;
2 sound and heat insulation: the stone chip can reduce the sound effectively, and can hold back the heat;
3 easy installations: Easy to be folded, easy to cut.
4 light in weight: The unit weight is about 2.3-2.7kg/piece, just 1/6 as concrete/ clay tile. Easy to be transported and installed