Installation Guide

Determine Length of
B
o
r
de
r P
a
n
e
l
s
1 Divide width o
f
room
b
y len
g
th of 5-f
t
single panel *2-ft 10-ft 6-in
– 10-
f
t
2
Add
t
he
r
e
m
ai
n
de
r
6
-
i
n
t
o len
g
th of
single panel + 2-ft
= 2-ft
6
-in
3 Divide it by 2 = 1-
f
t 3-i
n
Width o
f
the Border
P
anels is 1-ft 3-i
n
* Use 2-
f
t
f
or 2-
f
t x 4-
f
t panel,
2
-
f
t
f
or 2-
f
t x 2-
f
t pane
l
How to Install Your Armstrong
®
Suspended Ceiling
LA2
9
4
998
-417
S
AFETY TIP
S
:
■
See Warning statements elsewhere on this document
.
■
Work Site Environment: Initially there may be a potential adverse impact on indoor air quality within the
g
eneral work area durin
g
the installation process. During installation, adequate ventilation of the work area should be maintained without causing the entry of
contaminants to other parts of the building. Persons who are sensitive to odor and or chemicals should avoid the work area during
this process.
IMPORTANT INFORMATION:
■
Store and install panels in areas with a temperature range of 60° to 80°F and not more than 70% relative humidity
.
■
Remove panels from the cartons 24 hours before installation and allow them to ad
j
ust to normal interior conditions of the area where
installation will take place
.
■
Never install ceilin
g
panels below an existin
g
ceilin
g
that contains imbedded radiant-heat coils.
■
Do not a
pp
l
y
loose
fi
ll or batt insulation so that it rests directl
y
on the
p
anels.
■
Keep hands clean to avoid smudges on the
fi
nished ceiling
.
■
Always cut ceilin
g
panels face up with a sharp utility knife
.
■
Main beams run the opposite direction of the joists
.
■
Main beams are on 4-
f
t centers
.
■
Th
e m
i
n
i
mum
d
rop
i
s 3-
i
n
.
■
Allow for drop-in li
g
hts by addin
g
2-in to the hei
g
ht of the li
g
ht for clearance
.
■
L
ocate
Hidd
en
j
o
i
sts
b
y tapp
i
ng on t
h
e ce
ili
ng unt
il
you
h
ear a so
lid
t
h
u
d
.
D
r
i
ve a na
il
i
n
h
ere.
R
epeat t
hi
s to
l
ocate ot
h
er
j
o
i
sts an
d
d
eterm
i
ne t
h
e
i
r
di
rect
i
on
.
■
M
ar
k
t
h
e
j
o
i
st
l
ocat
i
ons w
i
t
h
c
h
a
lkli
nes.
Planning Your Armstrong Ceiling
Locate H
i
dden
J
o
i
sts To Install W
i
re Fastener
s
1 Find
j
oists
(
A
)
.
2 Drive nails to fi nd exact center line of joists
.
3
S
nap chalk line for each joist
(B)
.
Sample Room Panel Layou
t
Determ
i
ne Panel La
y
out
1 Determine length of border panels.
2 Determine width of border
p
anels
.
For best appearance, border panels should be the same size on the opposite sides o
f
the room.
Use your room dimensions and follow the formula in the worksheets at right
.
Tools Needed To Install Your Ceilin
g
10' 6"
9'
Joist direction
Joist usually
16" on center
Snapped chalk lines
in center of joists
A
B
Sample Room
1' 3"
2' 6"
2' 6"
10' 6"
9'
1' 3"
Cross tees 2' apart
Width of
boarder
panels
Main
beams
4' apart
Length of
boarder
panels
S
ample Worksheets, using 2-ft x 4-ft panels in a
9-ft x 10-ft 6-in roo
m
Determine Length of
B
o
r
de
r P
a
n
e
l
s
1
Divide width o
f
room
b
y len
g
th of 2-f
t
single panel * 4-ft 9-ft
– 8-
ft
2 A
dd
th
e
r
e
m
a
in
de
r 1-ft
to len
g
th of
single panel + 4-ft
=
5
-ft
3
Divide it by 2 = 2-
f
t 6-i
n
Length o
f
the Border
P
anels is 2-ft 6-i
n
* Use 4-
f
t
f
or 2-
f
t x 4-
f
t panel,
2-
f
t
f
or 2-
f
t x 2-
f
t pane
l
2' or 3'
Carpenter’s
Level
Straight Edge
Safety
Glasses
Measuring Rule
Hammer
Pencil
Tin Snips
String
Chalk
Line
Wire Cutting
Pliers
Utility Knife