Armstrong World Industries, Inc. -CALLA High NRC: 2844

The smoothest finish mineral fiber ceiling available with TOTAL ACOUSTICS performance - excellent noise reduction and sound blocking in one product.

Category: acoustical ceilings | commercial ceilings | fire-resistant ceilings...

MasterFormat: Ceilings | Acoustical Panel Ceilings | Acoustical Tile Ceilings...

Armstrong World Industries, Inc.
P.O. Box 3001
Lancaster, PA 17604
Tel: (717) 397-0611

Overview

CALLA High NRC: 2844

The smoothest finish mineral fiber ceiling available with TOTAL ACOUSTICS performance - excellent noise reduction and sound blocking in one product.

Performance

Get total noise control and floor plan versatility with TOTAL ACOUSTICS ceiling panels: NRC + CAC = TOTAL ACOUSTICS PERFORMANCE
CALLA High NRC panels are part of the SUSTAIN portfolio, and meet the most stringent industry sustainability compliance standards today
Excellent combination of acoustical performance; NRC (0.90) and CAC (35)
CLEANASSURE family of products -includes disinfectable panels, suspension systems, and trim
Mold- and mildew-resistant surface
Washable, Impact-resistant, Scratch-resistant, Soil-resistant
Product can be recycled through the Armstrong Ceilings Recycling Program
Compatible with the TECHZONE Ceiling Systems
30-Year Limited System Warranty against visible sag, mold, and mildew

Specifications

Edge	Dimensions	Acoustics

Square Lay-In 15/16 in	24 in x 24 in x 1-3/4 in	0.90 NRC 35 CAC 170 AC
NOTE: Shape drawings are not to scale.

Accessibility

Accessibility

Yes

Performance

Acoustics
Sound Absorption (NRC)	0.90
Sound Blocking (CAC)	35
Articulation Class (AC)	170
Fire
Fire Performance	Class A
Light Reflectance	85%
Sag/Humidity Resistance	HumiGuard Plus
Insulation Value	R Factor-BTU: 5.83 BTU R Factor-Watts: 1.03 m2 K/W
BioBlock	Yes
Disinfectability	Fog
Durability	Soil Resistance Impact Resistance Scratch Resistance Washability
Special Applications	Library Music / Language Room

Physical Data

Material	Mineral Fiber
Texture	Smooth
Surface Finish	Acoustically transparent membrane with factory applied latex paint
Shape	Rectangle
Weight	1.70 PF2
Sq Ft (Sq Ft / Carton)	24
Pieces / Carton	6
ASTM Classification	Type: IV, Form: 2, Pattern: E
Installation Method	Grid (Suspended)