15/16”Exposed Tee System
PRELUDE
®
XL
®
Recycled
Content:
up to
30%
Key Selection
Attributes
• Seismic Rx
®
Suspension System
saves time and money; ICC-ES
approach to installations (ESR-
1308)
•
PeakForm
®
patented prole
increases strength and
stability for improved
performance during
installation
•
SuperLock™2 main beam clip
is engineered for a strong, secure
connection and fast accurate
alignment conrmed with an
audible click; easy to remove and
relocate
• Hot dipped galvanized coating
inhibits red rusting better than
electrogalvanized or painted
systems
• Rotary-stitched during manufacture
by a patented method for additional
torsional strength and extra
stability during installation
• XL
2
staked-on stab end detail
provides tight, secure locked
connection; easy to remove,
reuse and relocate
• State-of-the-art expansion relief
on Fire Guard
™
options; provides
greater strength and prohibits
distortion of grid face during
installation
• 10-year limited warranty;
30-year with
HumiGuard
®
Plus
Typical Applications
• Retail
• Education
• Ofces
• Hospitality
• Fire Guard applications based on
building construction and local re
code requirements
Product Description
Materials
A. General:
ASTM C635 (Intermediate-duty) (Heavy-duty) main beam classication, commercial-quality hot dipped galvanized steel. Exposed
surfaces chemically cleansed, galvanized steel or aluminum capping prenished in baked polyester paint or annodized.
B. Components:
1. Main Beams: Double-web
construction, web height
1-11/16" with peaked roof top
bulb and 15/16" bottom ange
with prenished steel or aluminum
capping*; one re expansion relief
per re rated main beam.
* NOTE: Fire Guard items available
in steel capping only.
7300 (144", routs 6" OC, Intermediate-duty)
7301_ _* (144", routs 6" OC, Heavy-duty)
7302 (120", routs 6" OC, Intermediate-duty)
7305 (140", routs 10" OC, Intermediate-duty)
734032 (3600mm, routs 150mm OC, Intermediate-
duty)
Fire Guard Items
8300 (144", routs 6" OC, Intermediate-duty)
8301 (144", routs 6" OC, Heavy-duty)
834033 (3600mm, routs 150mm OC,
Intermediate-duty)
Other
1-11/16"
(43mm)
9/16"
(14mm)
1/4"
15/16"
(24mm)
(6mm)
2A. Cross Tee: Double-web
construction, web height
1-11/16", 15/16" bottom ange
with prenished steel or aluminum
capping and override at each end.
Staked-on end detail allows easy
cross tee removal and remounting.
XL7340 (48", routs 12" OC)
XL7341 (48", routs 12" OC)
XL7330 (36")
XL7380 (96", routs 12" OC)
XL7357 (60", routs 6" OC)
XL7358 (60", routs 20" OC)
XL7390 (72", routs 12" OC)
Fire Guard Items
XL8320_ _* (24")
XL8340_ _* (48",
routs 12 " OC
)
XL8341 (48",
routs 12 " OC)
833033 (1200mm, routs 300mm OC)
Other
1/4" (6mm)
1/4" (6mm)
1/4" (6mm)
1-11/16"
(43mm)
1-1/2"
(38mm)
1-1/2"
(38mm)
13/32"
(10mm)
15/16"
(24mm)
15/16"
(24mm)
15/16"
(24mm)
1-11/16"
1-1/2"
1-3/8"
15/16"
(24mm)
1-11/16"
(43mm)
1/4" (6mm)
15/16"
(24mm)
15/16"
(24mm)
1-1/2"
(38mm)
1/4" (6mm)
1-3/8"
(35mm)
1/4" (6mm)
1/4" (6mm)
1/4" (6mm)
1-11/16"
(43mm)
1-1/2"
(38mm)
1-1/2"
(38mm)
13/32"
(10mm)
15/16"
(24mm)
15/16"
(24mm)
1-11/16"
1-1/2"
1-3/8"
15/16"
(24mm)
1-11/16"
(43mm)
1/4" (6mm)
15/16"
(24mm)
15/16"
(24mm)
1-1/2"
(38mm)
1/4" (6mm)
1-3/8"
(35mm)
1/4" (6mm)
2B. Cross Tee: Double-web
construction, web height 1-1/2",
15/16" bottom ange with
prenished steel or aluminum
capping and override at each end.
Staked-on end detail allows easy
cross tee removal and remounting.
XL7342 (48", routs 12" OC)
2C. Cross Tee: Double-web
construction, web height 1-3/8",
15/16" bottom ange with
prenished steel or aluminum
capping and override at each end.
Staked-on end detail allows easy
cross tee removal and remounting
XL7318 (12")
XL7368 (20")
XL7328 (24")
XL7378 (30")
XL7348 (48")
312451 (300mm, center rout)
312051 (600mm)
313051 (1200mm, center rout)
Fire Guard Items
XL8323 (24")
832052 (600mm)
Other
1/4"
(6mm)
1-3/8"
(35mm)
15/16"
(24mm)
9/32" (7mm)
1/4"
(6mm)
1-3/8"
(35mm)
15/16"
(24mm)
1-11/16"
1-1/2"
1-3/8"
15/16"
(24mm)
1-11/16"
(43mm)
1/4" (6mm)
15/16"
(24mm)
15/16"
(24mm)
1-1/2"
(38mm)
1/4" (6mm)
1-3/8"
(35mm)
1/4" (6mm)
2D. Cross Tee: Double-web
construction, web height 1-3/16",
15/16" bottom ange with
prenished steel cap and override
at each end. Staked-on end detail
allows easy cross tee removal and
remounting.
XL7148 (48", routs 12 " OC)
XL7128 (24")
1/4"
(6mm)
3/32"
(2mm)
1-3/16"
(30mm)
15/16"
(24mm)
Wall Moldings:
3A. Angle molding: hemmed with
prenished exposed anges
Item # Length (A)
Flange
(B)
Height
7800_ _* 144" 7/8" 7/8"
7807 120" 2" 1"
7808 120" 2" 2"
HD7801 120" 7/8" 7/8"
B
A
3B. Shadow molding: hemmed with
prenished exposed anges
3C. Shadow Molding: (Compatible
with Seismic Rx
®
and BERC 2)
Item # Length (A)
Flange
(B)
Height
(C)
Reveal
7875 120" 3/4" 15/16" 1/2"
7877 120" 15/16" 15/16" 1/4"
7878 120" 15/16" 15/16" 3/8"
7897 120" 15/16 15/16" 1/2"
B B
C
A
A
C
shadow molding ex molding
3D. Channel molding: hemmed with
prenished exposed anges
Item # (A)
Length
(B)
Flange
(C)
Height Flange
7875 120" 3/4" 15/16" 9/16"
A
B
C
Color Selection
Standard Colors
WH - White
CR - Cream
HA - Haze
AD - Adobe
†
PL - Platinum
BL - Tech Black
SG - Silver Grey
MY - Gun Metal Grey
SA - Silver Satin
Premium Colors
CA - Camel
CP - Copper
BZ - Bronze
PW - Pewter
AR - Silver
AR - Brass
AM - Mirror
NA - Natural
Aluminum
Premium Colors (cont.)
WA - White
Aluminum
HDC - Hot Dipped
Clear
AR - Brass
AM - Mirror
ST - Slate
WK - Wolf
†
HDC - Hot Dipped
Clear Coat
PW - Pewter
†
BZ - Bronze
†
SL - Silver
†
Wood Look Finishes*
LC - Light Cherry
WN- Walnut
OK - Oak
BG - Barnwood Grey
* Avaiable Wood Look Finishes
† Only available on 7301, XL7342, XL7328, and 7800
NOTE: Color chips included with samples of Armstrong
grid. See your Armstrong representative for sample
material.
NOTE: Items 7305, 7302, XL7340, XL7380, XL7357,
XL7358, XL7128, XL7148, XL7348, XL7330, XL7318,
XL7368, XL7378, XL7390, XL8320, XL8341, XL7341
are available in white only.
NOTE: 8300, XL8340 and XL8323 are available in white
and black only.