Gypsum suspended ceiling CASTWORKS® METAPHORS® COFFERS

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Overview
Armstrong’s CastWorks® Metaphors® Coffers are modular architectural ceiling coffers offered in multiple designs, standard finishes and edge profiles. Available with a range of acoustical and decorative infill panels, these GRG coffers suit interior projects requiring prefabricated aesthetic ceiling solutions that comply with industry sustainability and fire performance standards.

Infill visuals / options

• METALWORKS infill panels
• WOODWORKS infill panels
• INFUSIONS decorative infill panels
• ULTIMA visual options

Available shapes, sizes & colors

• Shapes: Bead, Convex, Cove, Crown, Linear
• Standard format: 24 x 24 in (610 x 610 mm); other shapes/sizes available via variants
• Standard colors (examples): White, Black, Gun Metal Grey, Silver Grey

Performance & features

• Sustainable: Product meets industry sustainability compliance standards and is manufactured with recycled content where applicable.
• Fog disinfectable: Can be disinfected using appropriate EPA‑approved disinfectants per Armstrong cleaning guidelines.
• Spray disinfectable: Compatible with recommended spray cleaning/disinfecting methods.
• Sag / humidity resistance: Standard resistance suitable for climate-controlled interior installations.
• Mold / mildew resistance: Standard mold and mildew resistance for indoor environments.
• Fire rating: Class A (flame-spread ≤ 25, smoke-developed ≤ 50).

Packaging & coverage

• Package quantity: 5 pieces per carton
• Coverage per piece: 4 sq. ft. (≈ 0.37 m²)
• Carton coverage: 20 sq. ft. (5 pieces × 4 sq. ft.) ≈ 1.86 m²

Installation & handling
Requires appropriate installation accessories and suspension grid. Cartons can be large and heavy; follow the installation guide and recommended handling procedures to ensure safe transport and accurate alignment during installation.

Downloads available
Data sheet, installation guide, cleaning guidelines, SDS and related technical and sustainability PDFs available for specification and project documentation.

Technical specifications

• Commercial name: CastWorks® Metaphors® Coffers (Armstrong)
• Item / SKU (example): 5728SG
• Example shape (variant): Bead
• Product dimensions: 24 x 24 x 1.25 in (610 x 610 x 32 mm)
• Package quantity: 5 pieces / carton
• Coverage: 4 sq. ft. / piece (≈ 0.37 m²); 20 sq. ft. / carton (≈ 1.86 m²)
• Weight: 29.15 lbs per carton (≈ 13.23 kg)
• Material: Glass Fiber Reinforced Gypsum (GRG)
• Fire rating: Class A (flame-spread ≤ 25, smoke-developed ≤ 50)
• Typical price reference: listed per carton and per sq. ft. as shown on product page