GOLD BOND® BRAND GRIDSTONE® CLEANROOM GYPSUM CEILING PANELS National Gypsum Company Technical Information: Internet Home Page: Gold Bond® BRAND Gridstone® CleanRoom Gypsum Ceiling Panels are prefinished ceiling panels with a noncombustible gypsum core. The 2-mil, white, stipple-textured vinyl laminate combines high light reflectance with easy cleanability. manufactured with the exposed edges sealed, providing a durable coating that completely BASIC USES Gridstone CleanRoom panels for areas requiring high levels particulate levels such as clean rooms and clean zones. • Designed for clean room systems Class 100,000, Class Cleanliness Classes in Clean Rooms and Clean Zones." noncombustible gypsum core assures fire safety with • Sag-resistant. Gridstone CleanRoom panels' rigid gypsum core prevents sagging • Gridstone CleanRoom panels in food service and food processing areas. GREENGUARD CERTIFIED Gridstone CleanRoom Gypsum Ceiling Panels are GREENGUARD Children & CjUtll ity. ^■indoor Air Quality Certified in areas exposed to extreme or continuous moisture, such as saunas, steam rooms, gang showers and indoor pool • Overlaid insulation may cause excessive panel deflection and high humidity is likely to occur. • Extreme lighting conditions may distort texture appearance. solvents (such as ketones), harsh abrasive cleaners or steel These materials may cause dulling, discoloration, softening and other permanent damage TECHNICAL DATA PHYSICAL PROPERTIES Thickness, nomina Width, nomina Length, standard Weight, Ibs./sq.ft., nomina 2 mil white stipple vinyl laminate Surface Burning Characteristics Sound Attenuation (per ASTM E 1414) Ceiling Attenuation Class (CAC) Light Reflectance APPLICABLE STANDARDS AND REFERENCES ASTM E 1264, Type XX, Patterns E, G National Gypsum Company, Gypsum Construction Guide FIRE RATINGS BY TYPE & SIZE Submittal Approvals: (Stamps or Signatures)

Gridstone CleanRoom ceiling be used in a gasket seal suspended grid system using hold down clips. DS-20 gasket Seal System or equivalent gasket sealed grid systems designed for clean room applications. Grid installation should be manufacturer's specification. Each panel must be supported Cross ventilation must be enclosed space above ceiling General: Install panels in lay-in suspension systems with edges concealed by flanges panels to fit tightly at borders edges are concealed by trim If panel cuts are required, exposed core should Cleaning: Common dirt and stains on the vinyl surface can be...