Steel Sheets

2.1 METAL ROOFING AND SIDING
Panels shall be steel and shall have a factory color finish. Length of sheets shall be sufficient to cover the entire height of any unbroken wall surface when length of run is 9 m or less. Sheets longer than 9 m shall not be allowed. Width of sheets with overlapping configurations shall provide not less than 600 mm of coverage in place, and those with interlocking ribs shall provide not less than 300 mm of coverage in place.
2.1.1 Wall and Roof Panels
Wall panels shall have edge configurations for overlapping adjacent sheets or interlocking ribs for securing adjacent sheets. Roof panels shall be fastened to framework using exposed penetrating fastener type. Wall

covering shall be fastened to framework using concealed fasteners.
2.1.2 Steel Panels

Zinc-coated steel conforming to ASTM A 653. Uncoated wall panels shall be 0.6 mm thick minimum. Prior to shipment, mill finish panels shall be treated with a passivating chemical and oiled to inhibit the formation of oxide corrosion products. Panels that have become wet during shipment but

have not started to oxidize shall be dried, retreated, and re-oiled.
2.2 FACTORY COLOR FINISH

Panels shall have a factory applied polyvinylidene fluoride finish on the exposed side. The exterior finish shall consist of a baked-on topcoat with an appropriate prime coat. Color shall match the color indicated on the drawings. The exterior coating shall be a nominal 0.050 mm thickness consisting of a topcoat of not less than 0.018 mm dry film thickness and the paint manufacturer's recommended primer of not less than 0.025 mm thickness. The interior color finish shall consist of the same coating and dry film thickness as the exterior. The exterior color finish shall meet the test requirements specified below.

Qty : 16000 M2
Price: CIF Alexandria Port - Egypt