Ecophon FADE Duo by CertainTeed is a high-quality acoustic plastering system that absorbs unwanted noise. A two-stage acoustical plaster (primer + top) is spray applied to a fiberglass coreboard which can be mounted to ceilings and walls. Depending upon the desired board thickness, texture, and installation method, the system will achieve a Noise Reduction Coefficient (NRC) of 0.75 to 0.85. Appearance: -Smooth or Fine Textured surface options. -White + 6 standard color options that can be easily mixed into the plaster. -Custom color mixing options available. Performance: -1in. x 48in. x 48in. coreboard with Smooth surface application method achieves an NRC range of 0.65 to 0.70. -1-1/2in. x 48in. x 48in. coreboard with Fine Textured surface application method achieves an NRC range of 0.75 to 0.85...See More Installation Flexibility: -Direct mount onto gypsum, concrete or timber substrate with FADE Special Adhesive or mechanically attach with FADE Special Washers. -Attach to CertainTeed's Drywall Suspension System with use of FADE Special Washers. -Direct mount onto walls with FADE Special Adhesive or FADE Special Washers. Recommended to install at least 7ft. above ground level. Additional installation information is available below and full technical information is available from our Technical Services experts. The Ecophon FADE Duo System by CertainTeed brings together aesthetics and acoustic performance, which makes it ideal for a wide range of projects ranging from historic buildings to high-end residential, commercial, retail and educational spaces. The FADE Duo system can only be installed by approved installers that have undergone an installation demonstration. See Less