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Its coating consists of 55% Aluminum, 43.5% Zinc and 105% Silicon and comes with an AZ200 coating which signifies that for each sq. meter of metal, there is a minimal of 200 grams of Zinc Aluminum coating. COLORBOND® metal is the thermally efficient roofing materials of choice that retains your personal home cool in summer season and heat in winter. Through the years LANDEL ENGINEERING Company has established a proud popularity of high quality workmanship and expert craftsmanship within the business building trade. Our properly skilled designers wil