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MarsTM High-NRC Acoustical Ceiling Panels are manufactured using a unique process that maximizes sound and anti- sag performance, producing excellent noise reduction coefficient (up to .90) and solid ceiling attenuation class (CAC) performance. The wet-formed mineral fiber family of products consists of a latex/starch-bound mineral wool basemat optionally laminated with a non-woven veil. These products generally fall under ASTM E1264 Section 5.2 designation as Type III— Mineral base with membrane-faced overlay or 5.2.11 Type XI—Mineral base with fabric-faced overlay. This EPD covers the following 1inch MarsTM High-NRC/High-CAC 80/40 and 1inch MarsTM Healthcare High-NRC/High-CAC 80/40 Acoustical Panels: Item nos.: 86345, 88345, 86346, 88346, 88347,86115, 88115, 86343, 86344 and 88344 The products covered by this EPD are designed to be installed in a suitable metal grid system typically designed to accommodate a nominal 2 x2 foto or 2 x4 foot panel although other sizes are available.