... .45mm, 0.5mm, and the longer sizes are available. Durable: Land Shield Roofing System has the advantage of heat-resisting, corrosion ... design, together with the advantage of natural stone and steel, Land Shield Roofing System can against of strong wind, heavy rain ... , and hail penetration.Light-weight: Land Shield Roofing System is only 1/6 of the weight ...