GenFlex ISO & Tapered ISO
GenFlex ISO is a highly efficient thermal insulation board composed of a
rigid closed cell polyisocyanurate foam core bonded to fiber reinforced
facers.
Tapered ISO provides a sloping surface to promote positive drainage for
roofing applications.
Standard Codes & Compliances
Underwriters Laboratories, Inc. Component of Class A roof systems: Ballasted,
Mechanically Attached and Fully Adhered Single-Ply (UL 790) Hourly Rated
P-Series roof assemblies (UL 263) Insulated metal deck assemblies (UL 1256)
Factory Mutual Research
FM approved for Class 1 for 1-60 and 1-90 assemblies with Adhered and Mechanically
Attached single-ply roof coverings subject to the conditions of approval
described in the current Factory Mutual Approval Guide and Supplements
Federal Specification
Meets physical property requirements of HH-1-1972/2 For additional information,
contact GenFlex Technical Department.
Applications
GenFlex ISO and GenFlex Tapered ISO with fiber reinforced facers are superior
for use with the many types of single-ply membrane roofing systems available.
They are approved for use in new construction and reroofing construction
over steel, wood, noncombustible and certain types of nailable roof decks.
Standard Sizes
GenFlex ISO is available in standard 48 " x 48 "or 48 " x
96 " boards.
GenFlex Tapered ISO is available in standard 48 " x 48 " boards
in thicknesses of 1/2 " minimum to 4" maximum. Available slopes
are 1/8 ", 1/4 " and 1/2 " per foot.
Thermal Values
| Nominal Thickness |
LTTR- R Value |
R-Value |
Wt. per Square (lb) |
Flute Spanability |
| 1.0" |
6.0 |
6.0 |
17 |
2-5/8" |
| 1.2" |
7.2 |
7.1 |
20 |
3-3/8" |
| 1.5" |
9.0 |
10.0 |
25 |
3-3/8" |
| 1.6" |
9.6 |
11.1 |
27 |
3-3/8" |
| 1.8" |
10.9 |
12.5 |
30 |
3-3/8" |
| 2.0" |
12.1 |
14.0 |
34 |
3-3/8" |
| 2.3" |
14.0 |
16.7 |
38 |
3-3/8" |
| 2.5" |
15.3 |
18.0 |
42 |
3-5/8" |
| 2.6" |
15.9 |
19.2 |
43 |
3-5/8" |
| 2.7" |
16.6 |
20.0 |
45 |
3-5/8" |
| 3.0" |
18.5 |
22.0 |
51 |
3-5/8" |
| 3.3" |
20.4 |
25.0 |
55 |
3-5/8" |
| 3.5" |
21.7 |
26.3 |
59 |
3-5/8" |
| 4.0" |
25.0 |
30.0 |
67 |
3-5/8" |
Notes: No UL or FM code approvals on 1.0" and 1.2" thickness. Thermal
values are nominal and based on PIMA technical bulletin #101 & ASTM C-518
GenFlex ISOfiber
GenFlex ISOfiber is a rigid insulation board composed of a closed cell
polyisocyanurate foam core bonded in the foaming process to 1/2 " high
density wood fiberboard on one side and a fiber reinforced facer on the
other.
Standard Codes & Compliances
Underwriters Laboratories, Inc. Component of Classs A roof systems: Ballasted,
Mechanically Attached and Fully Adhered Single-Ply (UL 790) Hourly Rated
P-Series roof assemblies (UL 263) Insulated metal deck assemblies (UL 256)
Factory Mutual Research
FM approved for Class 1-60 and 1-90 assemblies with Adhered and Mechanically
Attached single-ply roof coverings subject to the conditions of approval
described in the current Factory Mutual Approval Guide and Supplements.
Federal Specification
Meets physical property requirements of HH-1-1972/GEN For additional information,
contact GenFlex Technical Department.
Applications
GenFlex ISOfiber is a highly efficient thermal insulation with high R-Value.
When installed facing up, the coated fiberboard provides an excellent base
for conventional single-ply systems.
Standard Sizes
GenFlex ISOfiber is available in standard 47-1/2 " x 96 " or
47-1/2 " x 47-1/2" boards
Thermal Values
| Nominal Thickness |
LTTR- R Value |
PIMA 101 R – VALUE* |
FLUTE
SPANABILITY |
| 1.5" |
7.36 |
7.30 |
3-5/8" |
| 1.8" |
9.18 |
9.60 |
3-5/8" |
| 2.0" |
10.36 |
11.90 |
3-5/8" |
| 2.1" |
10.98 |
12.40 |
3-5/8" |
| 2.3" |
13.46 |
15.50 |
3-5/8" |
| 2.5" |
14.00 |
16.70 |
4-3/8" |
| 2.6" |
15.30 |
18.00 |
4-3/8" |
| 2.8" |
15.30 |
18.00 |
4-3/8" |
| 3.0" |
16.66 |
19.50 |
4-5/8" |
| 3.1" |
17.05 |
20.10 |
4-5/8" |
| 3.5" |
19.90 |
21.40 |
4-5/8" |
| 4.0" |
23.06 |
27.00 |
4-5/8" |
*Based on PIMA technical bulletin #101 & ASTM C-518
GenFlex NB (Nailboard)
GenFlex NB is a rigid insulation panel composed of a polyisocyanurate foam
core bonded during the foaming process to either 7/16 " or 5/8 " oriented
strand board on one side and a fiber reinforced facer on the other.
Standard Codes & Compliances
Underwriters Laboratories, Inc. Component of Class A roof systems: UL 790
(ASTM E-108) Refer to UL Building Materials Directory Sections TFJR and TFWZ
for specific systems. Hourly Rated P-Series roof assemblies (UL 263) Class
90 Wind Uplift Rating (UL 580)
Factory Mutual Research
FM approved for Class 1 Fire and Class 1-60 and 1-90 windstorm classification
(FM 4450) subject to the conditions of approval described in the current Factory
Mutual Approval Guide and Supplements Federal Specification Meets physical
property requirements of HH-1-1972/GEN For additional information, contact
GenFlex Technical Department.
Applications
GenFlex NB combines superior insulating properties with a strong nailable
base. GenFlex NB incorporates APA/TECO rated Exposure 1 Oriented Strand Board
and can be used in new construction or reroofing.
Standard Sizes
GenFlex NB is available in standard 47-1/2 " x 96 " boards and in thicknesses
of 1-1/2" minimum to 4 " maximum.
Thermal Values
Thickness
(include 7/16" OSB) |
LTTR- R Value |
R-Value |
Wt. per Sq. Ft. (lbs) |
| 1.5" |
6.96 |
7.3 |
1.75 |
| 2.0" |
9.96 |
11.4 |
1.80 |
| 2.5" |
13.06 |
15.4 |
1.85 |
| 3.0" |
16.26 |
20.0 |
1.90 |
| 3.5" |
19.46 |
23.1 |
1.95 |
| 4.0" |
22.66 |
27.3 |
2.00 |
Thickness
(include 5/8" OSB) |
LTTR R- Value |
R-Value |
Wt. per Sq. Ft. (lbs) |
| 1.5" |
6.96 |
72 |
2.25 |
| 2.0" |
9.96 |
11.1 |
2.30 |
| 2.5" |
13.06 |
15.2 |
2.35 |
| 3.0" |
16.26 |
19.1 |
2.40 |
| 3.5" |
19.46 |
22.4 |
2.45 |
| 4.0" |
22.66 |
25.6 |
2.50 |
*Based on PIMA technical bulletin #101 & ASTM C-518
GenFlex High Density Fiberboard
GenFlex High Density Fiberboard is a uniform density, non-asphaltic, cellulosic-fiber,
insulation board. It is treated on the top surface to reduce bonding adhesive
absorption. This product is to be used with GenFlex Single-Ply EPDM, PVC,
and TPO roofing systems.
Standard Codes & Compliances
GenFlex High Density Fiberboard complies with ASTM C208, Type II, Grade 2
specifications. Underwriters Laboratories, Inc. Classified as “Roof Covering
Materials” for use in Class A roof coverings.
Factory Mutual
Class I Approval per FMRC Standard 4450/4470 subject to the conditions of
approval as roof insulation when installed as described in the FMRC Approval
Guide. For additional information, contact GenFlex Technical Department. Applications
GenFlex High Density Fiberboard ‡ waiting for wording
Available Sizes
| Products |
Thickness |
Board Size |
Standard
Coated One Side |
1/2"
1" |
4'x4', 4'x8' |
| Coated Six Sides |
1/2" |
14'x4', 4'x8' |
FM 1-90
Coated One Side |
1/2" |
4'x8' |
Thermal Values
| Nominal Thickness |
Thermal Values
R-Value |
Maximum Flute Spanabillity |
| 1/2" |
1.3 |
1 5/8" |
| 1" |
1.9 |
2 1/8" |
GenFlex Composite GB (Gypsum Board)
GenFlex Composite GB (Gypsum Board) is a closed-cell polyiso foam bonded to
_” primed glass-mat gypsum board on the top surface and a fiber-reinforced
felt facer on the bottom. It is available in various thicknesses from 1.5”
to 4.0”.
Standard Codes & Compliances
Underwriters Laboratories, Inc.
Component of Class A roof systems: Ballasted, Mechanically Attached and Fully
Adhered Single-Ply (UL 790) Hourly Rated P-Series roof assemblies (UL 263)
Insulated metal deck assemblies (UL 1256)
Factory Mutual Research
FM approved for Class 1 for 1-60 and 1-90 assemblies with Adhered and Mechanically
Attached single-ply roof coverings subject to the conditions of approval described
in the current Factory Mutual Approval Guide and Supplements
Applications
GenFlex Composite GB combines the superior insulating properties of Polyiso
with a dense protection layer for the insulation. It has a 500 psi compressive
strength, making it an ideal choice for areas on the roof where foot traffic
is a concern.
Standard Sizes
GenFlex Composite GB is available in 4’ x 4’ and 4’ x 8’
board and in various thicknesses as reference below in the thermal values
table.
Thermal Values
| Nominal Thickness |
LTTR- R Value |
Wt. per Sq. Ft.
(lbs) |
Flute
Spanability |
| 1.5" |
7.5 |
1.464 |
4.375" |
| 1.8" |
9.3 |
1.512 |
4.375" |
| 2.0" |
10.6 |
1.544 |
4.375" |
| 2.3" |
12.4 |
1.590 |
4.375" |
| 2.5" |
13.7 |
1.623 |
4.375" |
| 2.7" |
15.0 |
1.654 |
4.375" |
| 3.0" |
16.9 |
1.702 |
4.375" |
| 3.3" |
18.8 |
1.750 |
4.375" |
| 3.4" |
19.4 |
1.766 |
4.375" |
| 3.5" |
20.1 |
1.782 |
4.375" |
| 3.8" |
22.0 |
1.829 |
4.375" |
| 4.0" |
23.3 |
1.860 |
4.375" |
