sept. 10, 2004
GAZETTE 1768D
The Zinc Coated And Aluminum Coated Roofing Sheets Control Order,2004
sept. 10, 2004 (c} the zinc coating or aluminiunyzinc coating mass per unit area; and (d) the words ?roofing quality". (2) the minimum coating mass on each sheet shall be 350g/m? by the triple spot test and 300g/m? by the single spot test for zinc
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Section 44