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1. 12 LightRoc Gypsum Wallboard/American Gypsum Company LLC/2025-05-27

   Open the PDF · HPD 13266

   Expiration Date: 2028-05-27

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   This HPD covers 1/2” LightRoc® Gypsum Wallboard. LightRoc® Gypsum Wallboard is lighter in weight than traditional 1/2” drywall and is designed for use in wall and ceiling applications spaced no more than 24”o/c. LightRoc is approved to be…