Flex ISO II Roof Insulation User Manual download pdf

ACFOAM

-II INSULATION

PRODUCT DATA SHEET

770-952-1442 • ATLAS ROOFING CORPORATION • 2000 RIVEREDGE PARKWAY, SUITE 800 • ATLANTA, GA • 30328 • WWW.ATLASROOFING.COM

Closed-cell polyisocyanurate (polyiso) foam core integrally bonded to non-asphaltic, fiber-reinforced organic felt facers. ACFoam

-II is

offered in a variety of thicknesses, providing long-term thermal resistance (LTTR) values from 5.7 to 26.8. Available in 4ft x 8ft (1220mm x

2440mm) and 4ft x 4ft (1220mm x 1220mm) panels. Manufactured in accordance with ASTM C1289, Type II, Class 1, Grade 2 (20 psi)

or Grade 3 (25 psi) and CAN/ULC-S704 Type 2, Class 3 or Type 3, Class 3.

DESCRIPTION:

APPLICATION:

Manufactured and tested for use in new and re-roofing applications. ACFoam

-II is used in built-up (BUR), modified bitumen, metal, ballasted

single-ply, mechanically attached single-ply and adhered single-ply roofing systems. These roofing systems depend on proper installation for

successful performance. Refer to FM Approvals

RoofNav and UL Online Certifications Directory for additional application details.

INSTALLATION:

ACFoam

-II shall be kept dry before, during and after installation. This product will burn if exposed to an ignition source of sufficient heat

and intensity. Do not apply flame directly to ACFoam

-II insulation. Refer to PIMA Technical Bulletin 109:

Storage and Handling

Recommendations for Polyiso Roof Insulation.

An offset or staggered multi-layer application of ACFoam

is strongly

recommended when the total insulation thickness exceeds 2.7”

(Atlas Technical Bulletin: TB-5)

. Typical field fastening

requirements can be obtained from membrane system manufacturer or FM Global Property Loss Prevention Data Sheets 1-29.

Prior to installation, Atlas Roofing Corporation recommends that you consult your local building codes, contract documents, professional

engineer, FM Global, Miami-Dade County and membrane manufacturer for additional installation guidelines as well as design enhancements.

ADVANTAGES:

ACFoam

-II is manufactured using CFC-, HCFC- and HFC-free foam blowing technology with zero ozone depletion potential (ODP) and virtually

no (negligible) global warming potential (GWP). ACFoam

-II contains between 52.9% and 27.6% recycled materials by weight

(Atlas Technical

Bulletin: TB-2).

Other than the aforementioned representations and descriptions, Atlas Roofing Corporation (hereafter, “Seller”) makes no other representations or warranties as to the insulation sold herein. The Seller disclaims all other warranties, express

or implied, including the warranty of merchantability and the warranty of fitness for a particular purpose. Seller does, however, have a limited warranty as to the LTTR-Value of the insulation, the terms of which are available upon request

from the Seller. Seller shall not be liable for any incidental or consequential damages including but not limited to the cost of installation, removal, repair or replacement of this product. Buyer’s remedies shall be limited exclusively to, at

Seller’s option, the repayment of the purchase price or resupply of product manufactured by Atlas in a quantity equal to that of the nonconforming product. Atlas distributors, agents, salespersons or other independent representatives have

no authority to waive or alter the above limitation of liability and remedies.

LTTR (long term thermal resistance) values were determined in accordance with CAN/ULC-S770-09. Test samples were

third-party selected and tested by an accredited material testing laboratory. The LTTR results were reviewed by FM

Global and certified by the PIMA Quality Mark Program.

RSI is the metric expression of R-value (m

• K/W).

*To minimize the effects of thermal bridging, Atlas strongly recommends the use of multiple layers when the total

desired or specified R-value requires an insulation thickness greater than 2.7” thick.

Numerical ratings are not intended to reflect performance under actual fire conditions. Flame spread index of ≤ 75

and smoke development ≤ 450 meet code requirements for foam plastic roof insulation. Codes exempt foam plastic

insulation when used in FM 4450 or UL 1256. Physical properties listed above are presented as typical average

values as determined by accepted ASTM test methods and are subject to normal manufacturing variation.

PROPERTY TEST METHOD RESULTS

DIMENSIONAL STABILITY ASTM D2126 < 2%

COMPRESSIVE STRENGTH ASTM D1621 20 psi (140 kPa) or 25 psi (172 kPa)

WATER ABSORPTION ASTM C209 & D2842 < 1.5%, < 3.5%

WATER VAPOR TRANSMISSION ASTM E96 < 1.5 perm (85.5ng/ (Pa•s•m

))

PRODUCT DENSITY ASTM D1622 Nominal 2.0 pcf (32.04 kg/m

)

FLAME SPREAD ASTM E84 (10 min.)

40-60

SMOKE DEVELOPMENT ASTM E84 (10 min.)

50-170

TENSILE STRENGTH ASTM D1623 > 730 psf (35 kPa)

SERVICE TEMPERATURE - -100° to +250°F

PHYSICAL PROPERTIES THERMAL DATA

LTTR VALUE

THICKNESS

RSI

FLUTE SPANABILITY

in mm in mm

5.7 1.0 25.4 1.00 2.625 66.68

8.6 1.5 38.1 1.50 4.375 111.13

11.4 2.0 50.8 2.01 4.375 111.13

14.4 2.5 63.5 2.53 4.375 111.13

17.4 *3.0 76.2 3.06 4.375 111.13

20.5 *3.5 88.9 3.60 4.375 111.13

23.6 *4.0 101.6 4.15 4.375 111.13

 ASTM C1289, Type II, Class 1, Grade 2 (20 psi) or Grade 3 (25 psi)

 CAN/ULC-S704, Type 2, Class 3 or Type 3, Class 3

 CCMC No. 12464-L

 UL Certified for Canada– Insulated Roof Deck Assemblies Construction No.

C38 and 52. Meet CAN/ULC-S126, CAN/ULC-S101 and CAN/ULC-S107

 UL Standard 1256 Classification Construction No. 120, 123 & 292

 UL Standard 790 (ASTM E108) Roofing Systems Classification

 UL Standard 263 (ASTM E119) Fire Resistance Classification

 UL Standard 1897 Uplift Resistance

 FM Standard 4450/4470 Approved

Refer to FM Approvals

RoofNav for Specific System Details

 IBC Chapter 26 & NBC Sections on Foam Insulation

 California State Insulation Quality Standards and Title 25 Foam Flammability

Criteria (License #TC 1231)

 Miami-Dade County Approved

 State of Florida Product Approval (FL6796)

UPDATED: 05.19.2014

-II INSULATION 1

Summary of Contents

Page 1 - -II INSULATION

ACFOAM®-II INSULATION PRODUCT DATA SHEET 770-952-1442 • ATLAS ROOFING CORPORATION • 2000 RIVEREDGE PARKWAY, SUITE 800 • ATLANTA, GA • 30328 • WWW.ATLA

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Flex ISO II Roof Insulation User Manual

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