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Featuring a reformulated core and manufacturing process, Sheetrock UltraLight 1/2-inch panels are up to 30% lighter than competing wallboard, the company says, providing for more fuel-efficient shipping and easier handling on the jobsite. The panels carry ULs Environmental Claims Validation for 95% recycled content, a 20% reduction in transportation energy, 15% raw materials conservation, and low VOC emittance. 800.874.4968. www.usg.com.