Technical Specifications
TYPICAL APPLICATIONS
• Discount/grocery stores
• Locker rooms
• Utility rooms
• Lavatories/restrooms
SHASTA
®
Square Lay-in
medium texture
Insulation Value
R Factor - 2.6 (BTU units)
R Factor - 0.46 (Watts units)
30-Year Performance Guarantee & Warranty
When installed with Armstrong
®
Suspension System.
Details at armstrong.com/warranty
Weight; Square Feet/Carton
0.17 lbs/SF; 128 SF/ctn
Minimum Order Quantity
1 carton, excludes other size panels
Metric Items Available
Items 2904M, 2906M, 2905M, 2907M –
Metric items are subject to extended lead times and
minimum quantities. Contact your representative
for more details.
PHYSICAL DATA
Material
Fiberglass with vinyl facing
Surface Finish
Scrubbable vinyl film facing (UV protected)
Fire Performance
ASTM E84 and CAN/ULC S102 surface burning
characteristics. Flame Spread Index 25 or less.
Smoke Developed Index 50 or less (UL labeled.)
ASTM E1264 Classification
2904, 2906 – Type XII, Form 1, Pattern E C
2905, 2907 – Type XII, Form 1, Pattern E
Fire Class A
Humidity/Sag Resistance
HumiGuard
®
Plus ceiling panels maintain superior sag
resistance. Recommended for areas subject to high
humidity, up to, but not including, standing water and
outdoor applications.
Anti-Mold/Mildew
Fiberglass panels inherently inhibit the growth
of mold and mildew.
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.
Acoustical Details
A CAC value of 37 can be achieved by backloading
fiberglass products with item 769 or 770.
226
Shasta
®
panel with Prelude
®
15/16" suspension system (Pgs. 279-280)
KEY SELECTION ATTRIBUTES
• Excellent sound absorption
(perforated options)
• Easy-clean, durable surface
• Economical
• 30-Year Limited System Warranty
against visible sag, mold and mildew
Edge
Profile
Susp. Dwg.
Pgs. 295-299
armstrong.com/
catdwgs
Item
No.
Dimensions
(Inches)
UL Classified
Acoustics
Total
Acoustics
1
Fire
Rating
Light
Reflect
Anti-Mold
& Mildew
Sag
Resist
Certified Low
VOC Emissions
Water
Repel
Wash
Scrub
Impact
Soil
Recycled
Content
Recycle
Program
30-Yr
Warranty
+
CAC
=
SHASTA
®
(Perforated)
Inherent Humi-
Guard+
Durability
15/16"
Square
Lay-in
Square Lay-in 9/16" Angled Tegular 15/16" Angled Tegular
Ultima Plank ShipLap
Long Edge Detail
Ultima Plank ShipLap
K2C2 Short
15/16" Chamford Tegular
Cirrus Proles Chamfered
Tongue and GrooveConcealed Beveled K4C4
Classic Step Tegular Ultima Plank ShipLap
Long Edge Detail
Ultima Plank ShipLap
Beveled Tegular Short
15/16 Classic Step Tegula
r
~8-ID (99) (drw 10)
9/16" Beveled Tegular 15/16" Beveled Tegular
9/16" Square Cut Tegular 15/16" Square Tegular
9/16" Chamfered Tegular
Cirrus Proles Chamfered
Concealed
Soft Look Radiused Tegular
9/16" Cubic Graphis
NeoCubic
9/16" Flush Tegular
Ledges
15/16" Flush Tegular
Ledges
9/16" Wrapped Tegular
Graphis Wrapped Linear
and Cubic
9/16" Wrapped Linear and
Mixed Corner “B”
(Flumes, Graphis Linear Corner
& Dots & Squares)
Concealed
Square Edge K4C4
Linear Cubic
Beveled Crossgate
A B
15/16" Vector
C D
15/16" Vector C & D
AB CD
1 2904 24 x 24 x 5/8" 0.70
•
N/A – Class
A
0.72
• •
– –
• • • • •
–
•
1 2906 _ _
◆◆
24 x 48 x 5/8" 0.70
•
N/A – Class
A
0.72
• •
– –
• • • • •
–
•
1 Other Size
Panels
W: 12" – 30" / L: 12" – 60"
5/8" Thick
N/A N/A – Class
A
0.72
• •
– –
• • • • •
–
•
SHASTA (Unperforated)
15/16"
Square
Lay-in
Square Lay-in 9/16" Angled Tegular 15/16" Angled Tegular
Ultima Plank ShipLap
Long Edge Detail
Ultima Plank ShipLap
K2C2 Short
15/16" Chamford Tegular
Cirrus Proles Chamfered
Tongue and GrooveConcealed Beveled K4C4
Classic Step Tegular Ultima Plank ShipLap
Long Edge Detail
Ultima Plank ShipLap
Beveled Tegular Short
15/16 Classic Step Tegula
r
~8-ID (99) (drw 10)
9/16" Beveled Tegular 15/16" Beveled Tegular
9/16" Square Cut Tegular 15/16" Square Tegular
9/16" Chamfered Tegular
Cirrus Proles Chamfered
Concealed
Soft Look Radiused Tegular
9/16" Cubic Graphis
NeoCubic
9/16" Flush Tegular
Ledges
15/16" Flush Tegular
Ledges
9/16" Wrapped Tegular
Graphis Wrapped Linear
and Cubic
9/16" Wrapped Linear and
Mixed Corner “B”
(Flumes, Graphis Linear Corner
& Dots & Squares)
Concealed
Square Edge K4C4
Linear Cubic
Beveled Crossgate
A B
15/16" Vector
C D
15/16" Vector C & D
AB CD
1 2905 _ _
◆◆
24 x 24 x 5/8" 0.50 N/A – Class
A
0.72
• •
–
• • • • • •
–
•
1 2907 24 x 48 x 5/8"
0.50 N/A – Class
A
0.72
• •
–
• • • • • •
–
•
1 Other Size
Panels
W: 12" – 30" / L: 12" – 60"
5/8" Thick
N/A N/A – Class
A
0.72
• •
–
• • • • • •
–
•
1
Total Acoustics
™
ceiling panels have an ideal combination of noise reduction and sound-blocking performance in one product.
◆◆
Add 2-letter color sufx to item number when specifying or ordering (e.g., 2906 B L).
VISUAL SELECTION PERFORMANCE Dots represent high level of performance.
Tech Black (BL)
COLOR
White (WH)
SUSPENSION SYSTEMS
15/16"
Prelude
®
This economical panel provides sound absorption
with a medium-textured, easy-clean, durable vinyl surface.
$$$$
▲
LOCATION DEPENDENT
RECYCLED
CONTENT
LEED
®
energy
management
recyc
lable/
extended
producer resp.
mat
eri
al
ingredient
reporting
recyc
led
content
sour
cing of
raw materials
low emitting/
materials
lighting
quality
biobased
materials
region
al
materials
desig
n for
exibility
construction
waste mgmt
EPD
acoustics
Calculate LEED contribution at
armstrong.com/greengenie
71%
UP TO
LEED
®
is a registered trademark of the U.S. Green Building Council
All other trademarks used herein are the property of AWI Licensing
Company and/or its afliates © 2015 AWI Licensing Company
Printed in the United States of America
TechLine
SM
/ 1 877 ARMSTRONG
armstrong.com/commceilings
(search: shasta)
FIBERGLASS
BPCS-3697-615