Installation
233/4"
23
3
/4"
Instructions
Curvatura™2⬘ x 2⬘
Ceiling System
Page 1 of 8
Before beginning installation of the CURVATURA™2⬘ x 2⬘ Ceiling System, check the enclosed bill of materials to
ensure that all parts are present and undamaged. Read all installation instructions and familiarize yourself with
the system’s components. This is extremely important because parts will become permanently damaged if they
are installed incorrectly! To help with identification, all parts are poly-bagged and labeled.
Parts and May include some or Installation videotape Bill of Materials (BOM)
Components
all of the following:
PART LIST
A
B
C
D
E
F
Vault Main Tee Segment Valley Main Tee Segment
F
E
A
B
D
C
2⬘ Cross Tee 2⬘ x 2⬘ Infill Panels
Main Tee Splice Plate Wall Attachment Clip Integral Hold-Down Tabs
18 Gauge Stainless Steel Wire Splice Cover Corner Cap
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 2 of 8
Step 1: Laying Out
First Row of Main Tees
1. 1. 1.
A. B. C.
Refer to the Bill of Materials and Ribbon
Drawing and locate the appropriate Flush
Cut Main Tee to start the first row of
Main Tees.
1. 1. 1.
D. E. F.
A part ID code is stamped on Main Tees
with splice ends. For your reference,
these ID codes are also listed on the
Ribbon Drawing.
1. 1. I.
G. H.
Note that Main Tees can have two
different types of ends – flush-cut ends
and splice ends.
A Main Tee with a splice end will have
a slot for the splice approximately 1 inch
from its end.
A Main Tee with a flush-cut end will have
a cross tee slot approximately 1/2-inch
from its factory-cut end.
Find a corner starting point based on
locations specified on your architect’s
plans or by scaling from a working
drawing. It‘s best to start at a point near
a wall or column that can be used for
reference and support.
Lay the Main Tees out on the ground as
they will be arranged in the installation.
Be sure to place a Flush-Cut Main Tee at
the beginning or end of this first row, as
shown on the Ribbon Drawing.
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 3 of 8
Step 2: Installation
of Main Tees
A. B. C.
Each Main Tee has pre-punched hanger
holes spaced about 2 feet apart. Hanger
wires need only be attached at every
other hole, so mark these locations when
laying your arrangement out on the floor.
D.
Extra hanger holes can be field-punched
or drilled where required to help work
around obstructions. Keep in mind that
the space between any two hanger wires
must not exceed 4 feet.
Once you have established where each
hanger wire should go, you can pre-hang
the first row of hanger wire.
Because the tees are curved, the space
between hanger wires will vary.
E.
Some field installation may require you
to make a flush-cut Main Tee by fieldcutting a main tee with a splice end.
G. H.
Hang the flush-cut end of the Main Tee
from the ceiling based on the elevation
and location specified on your architect’s
plans or by scaling from a working
drawing.
F.
To do this, find the Cross Tee slot closest
to the point wherre the Main Tee will be cut.
I.
Insert the Cross Tee into that location and
mark where the outside edge of the Cross
Tee meets the Main Tee.
Use a square to ensure that the mark,
and therefore the cut, will be straight and
square.
Carefully cut the Main Tee with tin snips,
ensuring that the final cut has a finished
look.
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 4 of 8
Step 2: Installation
of Main Tees
J.
The finished field-cut Main Tee with the
cross Tee installed should look like this.
K.
Continue installing Main Tee segments.
Refer to the Ribbon Drawing to select
each tee.
L.
To connect Main Tees, use a Main Tee
Splice. Insert the splice tabs into the slots
at the ends of the adjoining Main Tees.
Then, partially bend the tabs inward.
M. N. O.
Once both tees are suspended and
aligned, the tabs can be fully bent down.
The accuracy of the first row of Main
Tees will ultimately determine the quality
of the installation so be sure to check
the integrity of the completed row. Extra
care at this point will prevent alignment
problems in the rest of the installation.
Next, examine the profile of the completed
row from the side. The curve of one tee
should flow smoothly into the curve of the
next. If the curves are not flowing smoothly,
adjust the hanger elevations either up or
down.
Wire should hang straight and plumb
within 1 in 6, about 10 degrees. If hangers need to be relocated, move them
now. If necessary, you can punch or drill
extra hanger holes into the Main Tee to
ensure plumb wires.
Q.
Now, examine the completed row of
Main Tees from one end. It should be
straight and plumb. If you need to install
additional hanger wires, install them now.
R.P.
It’s important that the first row of Main
Tees remains stable during the entire
process. As a final step, install temporary
bracing to the ceiling or walls, as each
row is completed to ensure that it remains
straight and rigid.
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 5 of 8
Step 3: Install
Remaining Grid
A. B. C.
Using the first row of hanger wires as a
guide, install each additional row of hanger
wire two feet apart.
D.
Continue hanging Main Tees and joining
them with Cross Tees to form the grid.
H. J.
Use string lines or a laser to ensure that
each row will be properly aligned.
E.
When all Main Tees have been hung,
tightly wrap the ends of each hanger
wire. This is important because the ends
of these wires could be seen from the
side of the completed installation.
I.
After hanging the first Flush-Cut Main Tee
in a row, connect it to the previous row
with a Cross Tee.
F.
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 6 of 8
Step 4: Panel Installation
A.
Lay CURVATURA 2⬘x2⬘ panels into the grid
one at a time.
D.
After each panel has been installed, bend
the Hold-Down Tabs as necessary to
secure the panel, eliminating all gaps
between the panels and grid. Be careful
not to overbend the tabs as this could
damage the panel.
B. C.
Some panels are directional; check for
directional markings and install accordingly.
On DIAMONDFLEX™panels, look for the
notch in the panel corner that indicates
directionality.
E.
After installing each panel, be sure that
sufficient Hold-Down Tabs have been bent
to prevent the panel from lifting. Adjusting
tabs later will be difficult.
1. 1. 1.
CURVATURA 2⬘ x 2⬘
Ceiling System
Installation
Instructions
Page 7 of 8
Step 4:
Edge Trim Installation
A.
Remove any temporary bracing. Next, follow the Ribbon Diagram to
B. C.
identify the proper position for each
Edge Trim segment.
D. E. F.
Fascia Splices and Corner Clips are provided
to cover the gaps.
To install each Fascia Splice, squeeze the
bottom tab to allow a snug fit around the
trim.
Install the Edge Trim by sliding each trim
segment onto to the grid. For ease of
installation, Edge Trim segments are
designed to be about 1/2-inch shorter
than the Main Tee segments.
Hook the tab over the bottom edge of the
trim. Then, bend over the top of the splice
as shown here. It’s easiest to install Fascia
Splices progressively.
G. H. I.
Next, apply Corner Caps. Hook each Corner
Cap over the bottom edge of the trim, then
bend over the top as shown here.
Squeeze the trim against the grid to
ensure a proper fit. Then, screw-attach
the trim segments to the grid with
number-six by three-eighths self-tapping
screws. Be sure to install at least two
screws per trim segment.
Technical Service
800 USG.4YOU
Web Site
www.usg.com
Samples/Literature
888 874.2450
Samples/Literature E-mail
samplit@usg.com
Samples/Literature/Fax
888 874.2348
Customer Service
800 950.3839
Note
All products described here
may not be available in all
geographic markets and are
subject to change without
notice. Consult your local
sales office or representative
for information.
Trademarks
The following are trademarks
of USG Interiors, Inc. or a
related company: C
IAMONDFLEX, USG.
D
Notice
We shall not be liable for
incidental or consequential
damages, directly or indirectly
sustained, nor for any loss
caused by application of these
goods not in accordance with
current printed instruction or
for other than intended use.
Our liability is expressly limited
to replacement of defective
goods. Any claim shall be
deemed waived unless made
in writing to us within thirty
(30) days from the date it was
or reasonably should have
been discovered.
URVATURA,
SAFETY FIRST!
Follow good safety and industrial hygiene practices during
handling and installation of
all products and systems.
Take necessary precautions
and wear appropriate personal
protective equipment as
needed. Read material safety
data sheets and related
literature on products before
specification and/or installation.
Manufactured by
USG Interiors, Inc.
125 South Franklin Street
Chicago, IL 60606
IC461/7-03
© 2003, USG Interiors, Inc.
Printed in U.S.A.
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