... are available. Durable: Land Shield Roofing System has the advantage of heat-resisting, corrosion resisting and ageless.Safe: The unique ... waterproof, windproof, the installation design, together with the advantage of natural stone and steel, Land Shield Roofing System can against ... Shield Roofing System is only 1/6 of the weight of normal ceramic or cement tile, which makes it much cheaper to ...