Technical Specifications

VISUAL SELECTION PERFORMANCE SELECTION Dots represent high level of performance.
$$$$
FINE FISSURED
™
FINE FISSURED
™
High NRC
Tegular
medium texture
187
TechLine
SM
877 ARMSTRONG
armstrong.com/commceilings
Edge
Profile
Susp. Dwg.
Pgs. 295-299
armstrong.com/
catdwgs
Item
No.
Dimensions
(Inches)
UL Classified
Acoustics
Total Acoustics
1
Articulation Class Fire Rating Light Reflect Anti-Mold & Mildew Sag Resist
Certified Low VOC Emissions
Durability
Recycled Content
Recycle Program
30-Yr Warranty
+ =
FINE FISSURED
™
Bio-
Block
Humi-
Guard+
15/16"
Angled
Tegular
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 Proles 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 Proles 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
12 1834
24 x 48 x 5/8"
0.55 35
•
– N/A Fire
Guard
™
0.85
•
• • •
Std
• • •
12 Other Size
Panels
W: 12" – 30" / L: 18" – 72"
5/8" thick
N/A N/A – N/A Fire
Guard
0.85
•
• • •
Std Std
• •
9/16"
Beveled
Tegular
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 Proles 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 Proles 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
29, 44, 48,
52, 56, 60
1734
24 x 24 x 5/8"
0.55 35*
•
– N/A Class
A
0.85
•
• • •
Std Std
• •
29, 44, 48,
52, 56, 60
1835
24 x 24 x 5/8"
0.55 35
•
– N/A Fire
Guard
0.85
•
• • •
Std Std
• •
29, 44, 48,
52, 56, 60
Other Size
Panels
W: 12" – 30" / L: 18" – 72"
5/8" thick
N/A N/A – N/A Fire
Guard
0.85
•
• • •
Std Std
• •
School Zone
®
FINE FISSURED
15/16"
Angled
Tegular
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 Proles 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 Proles 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
13 1717
24 x 24 x 3/4"
0.70
•
40
•
BETTER N/A Class
A
0.85
•
• • •
Std
• • •
13 1820
24 x 24 x 3/4"
0.70
•
35 BETTER N/A Fire
Guard
0.85
•
• • •
Std
• • •
13 1824
24 x 48 x 3/4"
0.70
•
35 BETTER N/A Fire
Guard
0.85
•
• • •
Std
• • •
13
Other Size
Panels
W: 12" - 30" / L: 18" - 72"
3/4" thick
N/A N/A – N/A Fire
Guard
0.85
•
• • •
Std
• • •
1
Total Acoustics
™
ceiling panels have an ideal combination of noise reduction and sound-blocking performance in one product.
GOOD (NRC 0.60-0.65; CAC 35+) BETTER (NRC 0.70-0.75; CAC 35+) BEST (NRC 0.80+; CAC 35+)
MINERAL FIBER