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> * 26 gauge (.022) G90 galvanized sheet metal 12" x 48"
* 26 gauge (.022) G90 galvanized sheet metal 12" x 48"
*Galvanized steel with a G90 rating for level of coating. G90 is a grade of galvanized sheet produced to ASTM A653 specifications. It has .90 oz/sq ft. of zinc overall, .45 oz/sq ft. per side for excellent corrosion resistance and longer service life. (Typical A/C ductwork is made with G60.)
* THIS MATERIAL IS .022" NOMINAL THICKNESS.
