Technical Specifications

ManualsBrandsArmstrong ManualsCeilingsDune 2' x 2' White Smooth Beveled Tegular Drop Ceiling Tile

TechLine / 1 877 276-7876

armstrongceilings.com/dune

BPCS-4351-1020

MINERAL FIBER – Standard

LEED

is a registered trademark of the U.S. Green Building Council; Declare

and Living Building Challenge

(LBC)

are trademarks of the International Living Future Institute

; WELL

™

and Well Building Standard are trademarks

of the International WELL Building Institute; UL and UL Certied are registered trademarks of UL LLC; all other

armstrongceilings.

com/catdwgs

Susp.

Dwg. Item No.

Dimensions

(Inches)

UL Classied

Acoustics

Total

Acoustics

Fire

Performance

Light Reect

Bio-

Block

Humi-

Guard+

Certied Low

VOC Emissions

DURABILITY

Recycled Content

Recycle

Program

30-Yr Warranty

Anti-Mold/

Mildew

Sag

Resistant

Scratch

NRC + =

DUNE

™

15/16"

Angled Tegular

12 1774

1774HRC

24 x 24 x 5/8"

0.50 35

•

N/A Class

0.81 • • • • Std

•

• •

1853 24 x 24 x 5/8" 0.50 35

•

N/A Fire

Guard

0.81 • • • • Std • •

1776

1776HRC

24 x 48 x 5/8"

0.50 35

•

N/A Class

0.81 • • • • Std

•

• •

9/16"

Beveled Tegular

1775

1775HRC

24 x 24 x 5/8"

0.50 35

•

N/A Class

0.81 • • • • Std

•

• •

1852 24 x 24 x 5/8" 0.50 35

•

N/A Fire

Guard

0.81 • • • • Std • •

1777

1777HRC

24 x 48 x 5/8"

0.50 35

•

N/A Class

0.81 • • • • Std

•

• •

3/4" or 5/8" Thick – 15/16" & 9/16" Angled Tegular

Made-to-Order

Sizes

Width Length N/A N/A N/A Class

0.81 • Std • • Std • 1-Yr

12" - 30" 18" - 72"

Total Acoustics

ceiling panels have an ideal combination of sound absorption and sound blocking in one product.

DUNE

™

Square Lay-in & Tegular

ne texture

VISUAL SELECTION PERFORMANCE SELECTION Dots represent high level of performance.

$$$$

▲

LOCATION DEPENDENT

energy

management

recyclable/

extended

producer resp.

material

ingredient

reporting

recycled

content

sourcing of

raw materials

low emitting/

materials

lighting

quality

biobased

materials

regional

materials

design for

exibility

construction

waste mgmt

EPD

acoustics

WELL

™

LBC

LEED

Calculate sustainability with GreenGenie

™

armstrongceilings.com/greengenie

RECYCLED

CONTENT

56%

UP TO

PHYSICAL DATA

Material

Wet-formed mineral fiber

Surface Finish

Factory-applied latex paint

Fire Performance

Class A: ASTM E84 and CAN/ULC S102 surface

burning characteristics. Flame Spread Index of 25 or

less. Smoke Developed Index of 50 or less (UL labeled).

Fire Guard

™

: A fire-resistive ceiling when used in

applicable UL assemblies (Class A)

ASTM E1264 Classification

Type III, Form 2, Pattern C E

Fire Class A

Humidity/Sag Resistance

HumiGuard

Plus ceiling panels are recommended for

areas subject to high humidity, up to, but not including,

standing water and outdoor applications. Excludes large

made-to-order panels.

Anti-Mold/Mildew

Ceiling tiles with BioBlock

performance resist the

growth of mold and mildew on the tile surface.

Insulation Value

R Factor – 1.6 (BTU units)

R Factor – 0.28 (Watts units)

30-Year Performance Guarantee & Warranty

When installed with Armstrong

Suspension System.

Details at armstrongceilings.com/warranty

Weight; Square Feet/Carton

1774, 1774HRC, 1775, 1775HRC – 0.75 lbs/SF; 64 SF/ctn

1776, 1776HRC, 1777, 1777HRC – 0.75 lbs/SF; 64 SF/ctn

1852, 1853 – 1.20 lbs/SF; 48 SF/ctn

Minimum Order Quantity

1 carton

Metric Items Available

1775M, 1777M – Metric items are subject

to extended lead times and minimum quantities.

Contact your representative for more details.

Acoustical Performance

CAC testing conducted using Prelude

suspension system.

VOC Emissions

GREENGUARD Gold Certified

Third-party certified compliant

with California Department of Public

Health CDPH/EHLB/Standard Method

Version 1.2, 2017. This standard is

the guideline for low emissions in LEED

, WELL

Building Standard

™

, Living Building Challenge

(LBC), CalGreen Title 24, ANSI/ASHRAE/USGBC/IES

Standard 189; ANSI/GBI Green Building Assessment Protocol.

Primary (Embodied) Energy

See all LCA information on our EPDs.

High Recycled Content

Contains greater than 50% total recycled content.

Total recycled content based on product composition of

post-consumer and pre-consumer (post-industrial) recycled

content per FTC guidelines. HRC items contain 15% or

greater post-consumer recycled ceilings.

SUSPENSION SYSTEMS

15/16" 9/16"

Prelude

Fire Guard

Silhouette

1/4" Reveal

Silhouette

1/8" Reveal

Suprane

Fire Guard

™

Interlude

99%

GREENGUARD

Gold Certied

(details below)

PRODUCT CERTIFIED

FOR LOW CHEMICAL

EMISSIONS

UL.COM/GG

UL 2818