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1. Expired: Armstrong Ceilings Optima PB/Armstrong World Industries/2021-12-13

   Open the PDF · HPD 50196

   HPD has expired. Expiration Date: 2023-09-09

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   Optima ceiling family offers a fiberglass substrate made with a plant-based binder, formulated without formaldehyde resins that’s also rapidly renewable. Smooth textured Optima fiberglass ceiling systems provides excellent acoustical…