ARMATUFF: 860

  • ARMATUFF | 860
  • ARMATUFF
ARMATUFF | 860
ARMATUFF | 860
Edge Dimensions Acoustics Lead Time Lead Time Lead Time Lead Time Lead Time
Square Lay-In 15/16
Square Lay-In 15/16"
48" x 24"
24" x 48" x 3/4"
0.50 NRC
35 CAC
FAST1
FAST1
1 Week or Less Order-to-Ship
FAST3
FAST3
3 Weeks or Less Order-to-Ship
FAST4
FAST4
4 Weeks or Less Order-to-Ship
fast
Select Color Swatch to View Lead Time
fast
Color Not Part of FAST Program
NOTE: Shape drawings are not to scale.
See Technical Details

 

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Buying Options:

find-a-distributor Buy Online with Kanopi
Kanopi is a direct-to-customer branch of Armstrong.

Performance

  • Durable, Impact-resistant, Scratch-resistant
  • Can be installed before building is enclosed
  • 30-Year Limited System Warranty against visible sag, mold, and mildew
Acoustics

Acoustical options available.
 
Sound Absorption (NRC)

A measure for rating the overall sound absorption of a material when used in an enclosed architectural space where sound is reflected at many angles of incidence. A ceiling system with an NRC < 0.50 is low performance, an NRC > 0.70 is high performance.
0.50
Sound Blocking (CAC)

A measure for rating the performance of a ceiling system as a barrier to airborne sound transmission through a common plenum between adjacent closed spaces. A ceiling system with a CAC < 25 is considered low performance, whereas one with CAC of 35 or higher is high performance.
35
Fire  
  Fire Performance Class A (UL)
Light Reflectance

Light reflectance average of 0.83 or greater. White only.
87%
Sag/Humidity Resistance

Ceiling panels maintain humidity and sag resistance.
HumiGuard Plus
Insulation Value R Factor-BTU: 1.70 BTU
R Factor-Watts: 0.30 m2 K/W
BioBlock

Ceiling tiles with BioBlock performance resist the growth of mold and mildew on the ceiling tile surface.
Yes
Durability
Impact Resistance

Surface impact based on the Striking Ball Impact Test, modified ASTM D1037 procedure.
Scratch Resistance

Excellent resistance to surface scratching, scuffing or chipping as per Hess Rake Test.
Material Mineral Fiber
Texture Medium
Surface Finish Factory applied latex paint
Shape Rectangle
Weight 1.13 lbs/SF
Sq Ft (Sq Ft / Carton) 64
Pieces / Carton 8
ASTM Classification Type: III, Form: 2, Pattern: C E
Installation Method Grid (Suspended)

Sustainability Profile

Recycled Content
Up To 40%
Recyclable Through Armstrong Recycling Program usRecycle_alt
Learn More
SUSTAINABLE PRODUCT SEARCH TOOL usGreenGenie_alt
Get Started

Videos

Installation

How to and Guides

  • Fast and Easy Acoustical Ceiling Installation

    Learn how to install a commercial ceiling from start to finish in this 20 minute ceiling apprentice course/video.

Compatible Grid & Trim

PRELUDE XL 15/16" Exposed Tee
PRELUDE XL 15/16" Exposed Tee

This hot-dipped galvanized steel 15/16" suspension system offers high recycled content for improved LEED credits.
PRELUDE ML 15/16" Exposed Tee
PRELUDE ML 15/16" Exposed Tee

A 15/16" suspension system with hook-end details.

Accessories

414
414
Component Type
  • Clip
Pieces Per Carton
  • 100
Retention Clip

CAD & REVIT

REVIT Files

Resources

Technical

Sustainability

TOOLS