Profile: Silver Sheet Enterprises, Inc. is a manufacturing company. We produce G-90 rectangular duct - lined and unlined, rectangular, spiral and flat oval duct and fittings, double wall k-27 duct, 1″ acoustical lined duct - spiral and flat oval, welded duct and custom curbs. We offer full coil line plasma cutting, waterjet liner cutting, liner installation, palleted shipping option and quality control.