ARMSTRONG Ceiling Tile: 1777B, Dune, 24 in x 48 in, Beveled Tegular, 9/16 in Grid Size
The ARMSTRONG Ceiling Tile 1777B is a general-purpose mineral fiber tile from the Dune series, sized 24 in x 48 in with a beveled tegular edge for 9/16 in grid systems. It offers a CAC of 35, is mildew resistant, and…
SKU 3G-OTH-571348
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Product Description
The ARMSTRONG Ceiling Tile 1777B is a general-purpose mineral fiber tile from the Dune series, sized 24 in x 48 in with a beveled tegular edge for 9/16 in grid systems. It offers a CAC of 35, is mildew resistant, and comes in white with standard light reflectance, packaged as an 8-pack for library applications.
Frequently Asked Questions
What is the ARMSTRONG Ceiling Tile 1777B used for?
The ARMSTRONG Ceiling Tile 1777B is a general-purpose mineral fiber tile designed for library applications. Its 35 CAC and mildew-resistant properties make it suitable for quiet, humidity-controlled indoor spaces where acoustic performance and moisture resistance are needed.
What are the specifications of the ARMSTRONG Ceiling Tile 1777B?
The ARMSTRONG Ceiling Tile 1777B measures 24 in x 48 in with a beveled tegular edge for 9/16 in grid systems. It has a CAC of 35, is made of mineral fiber, offers standard light reflectance (82% or less), and contains high recycled content (50% or more). It comes in an 8-pack.
Where to buy ARMSTRONG Ceiling Tile 1777B worldwide?
3G Electric supplies the ARMSTRONG Ceiling Tile 1777B to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Dune series tile to your project site, regardless of location.
How to install ARMSTRONG Ceiling Tile 1777B?
Install the ARMSTRONG Ceiling Tile 1777B by fitting its beveled tegular edge into a 9/16 in exposed grid system. Ensure the grid is level and the tiles are handled carefully to avoid damage. Follow standard suspended-ceiling best practices for mineral fiber tiles.
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3G Electric supplies ARMSTRONG general purpose tiles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









