ARMSTRONG Ceiling Tile: 1833, Fine Fissured, 24 in x 24 in, Angled Tegular, 0.55 NRC
The ARMSTRONG Ceiling Tile 1833 is a general-purpose, fine-fissured mineral fiber tile in a 24 in x 24 in angled tegular edge type, supplied in a 12-pack. It offers a Noise Reduction Coefficient (NRC) of 0.55 and a…
SKU 3G-OTH-571321
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Product Description
The ARMSTRONG Ceiling Tile 1833 is a general-purpose, fine-fissured mineral fiber tile in a 24 in x 24 in angled tegular edge type, supplied in a 12-pack. It offers a Noise Reduction Coefficient (NRC) of 0.55 and a Ceiling Attenuation Class (CAC) of 35, with high light reflectance (83% or more) and high recycled content (50% or more). Designed for library applications, this fire-resistive white tile is part of the Fine Fissured series.
Frequently Asked Questions
What is the ARMSTRONG Ceiling Tile 1833 used for?
The ARMSTRONG Ceiling Tile 1833 is designed for library applications where acoustic control and fire resistance are required. Its 0.55 NRC absorbs sound, while the 35 CAC reduces noise transfer between rooms. The high light reflectance (83% or more) improves illumination in reading areas.
What are the specifications of the ARMSTRONG Ceiling Tile 1833?
The ARMSTRONG Ceiling Tile 1833 is a 24 in x 24 in mineral fiber tile with an angled tegular edge, sold in a 12-pack. It has a Noise Reduction Coefficient of 0.55, Ceiling Attenuation Class of 35, high recycled content (50% or more), and is fire resistive. The manufacturer part number is 1833.
Where to buy ARMSTRONG Ceiling Tile 1833 worldwide?
3G Electric supplies the ARMSTRONG Ceiling Tile 1833 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this general-purpose ceiling tile.
How to install ARMSTRONG Ceiling Tile 1833?
Install the ARMSTRONG Ceiling Tile 1833 by fitting the angled tegular edge into a standard 24 in x 24 in suspended ceiling grid. Ensure the grid is level and the tiles are seated firmly. For fire-resistive performance, follow local building codes and use compatible grid components.
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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.









