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GIE Metal Works
GIE Wall and Roof Cladding System
The base metal for standard stocked steel panels have minimum yield strength which 34.5 kN/cm2 and conforms to ASTM A792 Grade 50B. The protective steel coating shall be aluminum-zinc alloy comprised of 55% Aluminum and 45% Zinc, weighing 150 grams/m2 both sides. The yield strength shall be 145 N/mm2. Pre-painted aluminum shall have a 5 microns 18 microns polyester paint applied at the mill on the weather (exterior) face. The pol is made of a polymer that is equal to or superior to silicon polyester. The interior face is 5-7 microns polyurethane compatible epoxy primer in RAL 7035 (Light gray color on the interior I face. Aluminum panel are offered in 3 finishes.