Armstrong Ceilings
Armstrong Ceilings Dune 24" x 24" x 5/8" Tegular Ceiling Tile, White, SKU 1774
Out of stock — available on backorder
SKU 5000237481
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Details
Dune 24x24x5/8 Tegular Ceiling Tile
Fine-textured mineral fiber ceiling tiles designed for suspended grid systems. Delivers balanced acoustics with NRC 0.50 and CAC 35, high light reflectance, and HUMIGUARD Plus/BIOBLOCK performance for durable, cleanable panels.
Key Features:
- Balanced Acoustics: NRC 0.50 sound absorption and CAC 35 sound blocking for everyday performance
- Durable, Clean Finish: Fine texture with factory-applied latex paint resists scratching and scuffing
- Humidity & Mold Resistance: HUMIGUARD Plus and BIOBLOCK inhibit sag, mold, and mildew
- Easy Installation: Angled Tegular edge for 15/16" grid in standard suspended (lay-in) systems
- Energy-Friendly Brightness: 81% light reflectance enhances ambient light and reduces lighting needs
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Color | White |
| Dimensions | 24" x 24" |
| Thickness | 5/8" |
| Material | Mineral Fiber |
| Texture | Fine |
| Surface Finish | Factory applied latex paint |
| Edge | Angled Tegular 15/16" |
| Face Profile | 15/16" |
| Installation Method | Grid (Suspended) |
| Shape | Rectangle |
| Weight | 0.75 lbs/SF |
| Sq Ft / Carton | 64 |
| Pieces / Carton | 16 |
| Sound Absorption (NRC) | 0.50 |
| Sound Blocking (CAC) | 35 |
| Light Reflectance | 81% |
| Fire Performance | Class A (UL) |
| Sag/Humidity Resistance | HUMIGUARD Plus |
| Mold/Mildew Resistance | BIOBLOCK |
| ASTM Classification | Type: A, Form: A1.2, Pattern: E |
| R Factor (Watts) | 0.28 m2 K/W |
| Insulation Value R Factor (BTU) | 1.60 BTU |
| Special Applications | Library; Music / Language Room |
| Made in U.S.A. of Domestic and Global Content | Yes |
Frequently Asked Questions (FAQ):
Q: What grid does this tile fit?
A: It is an angled tegular panel designed for 15/16" suspension systems.
Q: What are the tile dimensions and thickness?
A: Each panel measures 24" x 24" with a 5/8" thickness.
Q: How does it perform acoustically?
A: It provides NRC 0.50 for sound absorption and CAC 35 for sound blocking.
Q: Is it suitable for humid areas?
A: Yes. HUMIGUARD Plus resists sag from humidity, and BIOBLOCK helps resist mold and mildew on the surface.
Q: What is the material and finish?
A: Mineral fiber core with a factory-applied latex paint finish in White.
Quiet Refinement for Everyday Spaces
With its fine, even texture and crisp tegular reveal, Dune transforms a ceiling into a calm, luminous plane. The subtle shadow line frames each tile, adding architectural rhythm without distraction. Pair it with a warm neutral wall palette and soft indirect lighting to amplify its 81% light reflectance. It’s an effortless essential for elevating lobbies, corridors, and learning spaces with polished ease.
Choose Dune to achieve bright, balanced acoustics and a refined ceiling look—order your 24" x 24" tegular tiles today.
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