Item: 56644

Radar™ Ceramic Acoustical Panels

100% ceramic-bonded mineral fiber withstands high heat, high humidity, corrosive chmical fumes and steam.

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Item: 56644

Acoustics: 0.50 NRC / 40 CAC

Size: 2' x 2'

Edge: Square Edge

Color: White

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With ClimaPlus™ Performance
Ideal for an array of tough environments, these panels are formulated to withstand high heat, high humidity and corrosive chemical fumes. Radar™ Ceramic Acoustical Ceiling Panels with Firecode® consist of 100-percent ceramic-bonded mineral fiber that withstands high heat, high humidity, and corrosive chemical fumes. Mold, mildew and sag resistant, they are perfect for indoor pools, shower areas, saunas and steam rooms.

Sound Absorption

0.50 NRC

Sound Attenuation

40 CAC

Light Reflectance

Up To 0.82

Recycled Content

44.6 %

Main Features

Radar™ Ceramic Acoustical Ceiling Panels feature inherent performance which means that due to the ceramic-bonded mineral fiber substrate these panels inherently resist the growth of mold and mildew. Their Firecode® formulation contains special additives that increase fire resistance and may qualify for use in fire rated assemblies to help meet life safety codes.
  • 100% ceramic-bonded mineral fiber withstands high heat, high humidity, corrosive chemical fumes and steam
  • Tested in live steam to withstand applications such as saunas and steam rooms
  • Meets U.S. Coast Guard standards and can be used in high-humidity marine applications
  • ClimaPlus™ 30-year lifetime system warranty against visible sag, mold and mildew
  • Firecode® product designed to meet life-safety codes
  • Low-emitting product meets CA Specification 01350, California Department of Health Services Standard Practice for the testing of VOC emissions
  • Noise Reduction Coefficient (NRC): .50
  • Ceiling Attenuation Class (CAC): 40
  • Light Reflectance (LR): .82


  • Corridors and Hallways
  • Exterior Soffits and Indoor Parking Garage
  • Locker Rooms, Shower Areas and Pools
  • Mechanical Rooms
  • Restrooms, Utility Rooms and Loading Docks
  • Stairways and Elevator Shafts


Data Sheet PDF 4 MB


  • Sound Absorption (NRC) 0.50
  • Sound Attenuation (CAC) 40
  • Light Reflectance 0.82
  • Anti Mold & Mildew Resistance Yes
  • Fire Resistance
    • Fire Rating Firecode
  • Thermal Resistance Yes
  • ASTM Classification ASTM E1264; ASTM E84


  • GREENGUARD Certification Yes
  • Recycled Content 44.6%

Physical Data

  • Thickness (in.) 5/8
  • Color White
  • Edge Square Edge
  • Panel Size 2' x 2'


USG Ceilings Portfolio Series: Episode 1 - Installation & Edge Style

It is important to consider which installation method and edge style is right for your project. This video details the options you have when using USG products.

USG Ceilings Portfolio Series: Episode 2 - Performance Features

Consider these performance attributes when choosing your ceiling.

USG Ceilings Portfolio Series: Episode 3 - USG Panel Types

Each of USG's ceiling panels offers a solution for its unique environment.

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