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EnergyGuardTM Tapered Polyiso Insulation
Information Sheet
Updated: 8/18
HD
gaf.com
TAPERED POLYISO INSULATIONPO
LYIS
O IN
SULA
TIO
NTa
pere
d Po
lyiso
Foa
m R
oof I
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n
Tapered polyiso insulation provides a logical and economical answer for roofs that do not permit adequate positive drainage, like low-slope roofs. When correctly installed, tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low-slope roofing system.
GAF offers a full lineup of tapered panels to provide you with different options to help you create the best design for your roofing project.• Meets ASTM C1289 Type II, Class 1,
Grade 2 (20 psi) and in Grade 3 (25 psi)• Also available with a coated glass facer.
Get The Longevity You Deserve Out Of Your Roof!
GAF TAPERED QUICK REFERENCE CHART
TAPERED PANELS MATRIXTAPERED PANELS – 4’ x 4’BOARDSTYLE
DIMENSIONSIN INCHES
AVERAGE THICKNESS
BD FEETPER PANEL
1/8" PER/FT
0.5"1" 1.
5" 2" 2.5" 3" 3.5" 4" 4.5
"
AA BA C AA+2 A+2 B+2 C+2
2"
X Y
Y+2 X+
4 Y+4
3/16" PER/FT
3" 6"
3/8" PER/FT
0.5" 1.25"2" 2.75"
3.5" 4.2
5" 5"
1/16" PER/FT
*Availability for these tapered panel systems may vary for each region.
1" 2" 3" 4" 6" 1 +1.5
2 +1.5
3 +1.5
4 +1.5
5 +1.5
6 +1.5
5"
0.5"0.75"
1" 1.25"1.5"
1.75"2" 2.25"
2.5"2.75"
3.25"3" 3.
5"
3"
1/4" PER/FT
Q
2" 4"
0.5" 2" 3.5" 5" 6.5" 8" 9.5"1/2" PER/FT
8"
0.5" 2.5" 4.5"
8.5"
6.5"
10.5"
Q+2
Q+4
Q+6
Q+8
X+2
0.5" 1.5" 2.5" 3.5" 4.5" 5.5" 6.5"
SS
TT SS+3 TT
+3 SS+6 TT
+6
1.5"
JJ KK JJ +1
.5KK
+1.5 JJ +3 KK+3
6"4"2"
GAF TAPERED QUICK REFERENCE CHART
TAPERED PANELS MATRIXTAPERED PANELS – 4’ x 4’BOARDSTYLE
DIMENSIONSIN INCHES
AVERAGE THICKNESS
BD FEETPER PANEL
1/8" PER/FT
0.5"1" 1.
5" 2" 2.5" 3" 3.5" 4" 4.5
"
AA BA C AA+2 A+2 B+2 C+2
2"
X Y
Y+2 X+
4 Y+4
3/16" PER/FT
3" 6"
3/8" PER/FT
0.5" 1.25"2" 2.75"
3.5" 4.2
5" 5"
1/16" PER/FT
*Availability for these tapered panel systems may vary for each region.
1" 2" 3" 4" 6" 1 +1.5
2 +1.5
3 +1.5
4 +1.5
5 +1.5
6 +1.5
5"
0.5"0.75"
1" 1.25"1.5"
1.75"2" 2.25"
2.5"2.75"
3.25"3" 3.
5"
3"
1/4" PER/FT
Q
2" 4"
0.5" 2" 3.5" 5" 6.5" 8" 9.5"1/2" PER/FT
8"
0.5" 2.5" 4.5"
8.5"
6.5"
10.5"
Q+2
Q+4
Q+6
Q+8
X+2
0.5" 1.5" 2.5" 3.5" 4.5" 5.5" 6.5"
SS
TT SS+3 TT
+3 SS+6 TT
+6
1.5"
JJ KK JJ + 1
.5KK
+ 1.5 JJ +3 KK +3
6"4"2"
How can EnergyGuardTM Tapered Polyiso Insulation help you to save on materials, adhesive, and more importantly labor?
Let us take the hassle out of your job. By using our GAF Tapered Design Group services, you can save both time and money on your next tapered insulation job! For more information, contact [email protected].
Traditional XY Panel Design
1/4“ SLOPE TAPERED ISO (4'x 4' PANELS)3 PANEL SYSTEM - NOT TO SCALE
Z X+3 Z+
3
Y+3 X+
6 Y+6 Z+6 X+9 Y+
9 Z+9 X+12
YX
0.5" 1.5" 2.5" 3.
5" 4.5" 5.5" 6.5" 7.5" 8.5" 9.5" 10.5
"11
.5"
12.5
"13
.5"
3" 6" 9" 12"
©2018 GAF 8/18 • #384
Compare and see the savings!
Vs.
3/16" PER/FT3/8" PER/FT
0.5"
0.75"
1.5"
1.25"1.5"
1.75"2" 2.25"
2.5"
2.75"3.25"
3"
3.5"
X+2 Y+2 Y+
4
X+4 X+
6 Y+6 X+8 Y+8 X+10 Y+10 X+12
X Y
4.5" 5.
5" 6.5" 7.5" 8.
5" 9.5" 10.5
"11
.5"
12.5
"13
.5"
2" 4" 6" 8" 10" 12"
1/4“ SLOPE TAPERED ISO (4'x 4' PANELS)2 PANEL SYSTEM - NOT TO SCALE
An extended panel design requires up to approximately 30% less applied ISO which translates to up to approximately 30% less polyiso material handled and up to approximately 30% less adhesive, which results in less labor.
The GAF Tapered Design Group helps you save time with a fast and hassle-free service that assists you in creating a cost-effective tapered design system.
Extended PanelXYZ Panel Design
3/16" PER/FT3/8" PER/FT
0.5"
0.75"
1.5"
1.25"1.5"
1.75"2" 2.25"
2.5"
2.75"3.25"
3"
3.5"
X+2 Y+2 Y+
4
X+4 X+
6 Y+6 X+8 Y+8 X+10 Y+10 X+12
X Y
4.5" 5.
5" 6.5" 7.5" 8.
5" 9.5" 10.5
"11
.5"
12.5
"13
.5"
2" 4" 6" 8" 10" 12"
1/4“ SLOPE TAPERED ISO (4'x 4' PANELS)2 PANEL SYSTEM - NOT TO SCALE
1/4“ SLOPE TAPERED ISO (4'x 4' PANELS)3 PANEL SYSTEM - NOT TO SCALE
Z X+3 Z+
3
Y+3 X+
6 Y+6 Z+6 X+9 Y+
9 Z+9 X+12
YX
0.5" 1.5" 2.5" 3.
5" 4.5" 5.5" 6.5" 7.5" 8.5" 9.5" 10.5
"11
.5"
12.5
"13
.5"
3" 6" 9" 12"
COMGN274