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ACFoam®-III - CGF Roof Insulation
Brand: Atlas Roofing CorporationClosed-cell polyisocyanurate (polyiso) foam core integrally bonded to inorganic coated glass facers.
ACFoam-III 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 2, Grade 2 (20 psi) or Grade 3 (25 psi) and CAN/ULC-S704 Type 2, Class 3 or Type 3, Class 3.
Also available in non-hal.
Manufactured and tested for use in new and re-roofing applications. ACFoam-III 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.
Specifications
Compliances
- ASTM C1289, Type II, Class 2, 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 #T 1231)
- Miami-Dade County Approved
- State of Florida Product Approval (FL17989)
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
- < 4.0 perm (228.8ng/(Pa•s•m²))
Product Density
- ASTM D1622
- Nominal 2.0 pcf (32.04 kg/m³)
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
Documentation
Data Sheets
Atlas Technical Bulletins
- Atlas TB 02-Recycled Content of Atlas Polyisocyanurate pdf 91 KB
- Atlas TB 04-Adhering ACFoam Using Hot Asphalt pdf 59 KB
- Atlas TB 05-ACFoam Application Update: Layering pdf 69 KB
- Atlas TB 07-ACFoam Product Weights pdf 66 KB
- Atlas TB 08-Third-Party LTTR Certification pdf 150 KB
- Atlas TB 09-ASTM and CAN/ULC Standard Classifications pdf 113 KB
- Atlas TB 10-GREENGUARD Certification Program pdf 78 KB
- Atlas TB 11-ASTM C1289-11 ACFoam LTTR Values pdf 69 KB
Did You Know?
- Atlas ACFoam Multiple Layer Application-Did You Know pdf 215 KB
- Building Construction Types-Did You Know pdf 796 KB
- Energy Code Adoption & Polyiso Insulation-Did You Know pdf 608 KB
- Flame Spread and Smoke Development-Did You Know pdf 454 KB
- Measuring Atlas Polyiso Thickness-Did You Know pdf 384 KB
- Polyiso Roof Insulation & Metal Roofing-Did You Know pdf 2.4 MB
- Roofing Assembly Fire Exposure Classification-Did You Know pdf 143 KB
- Roofing Repair, Recover and Replacement-Did You Know pdf 199 KB
Guides
Miscellaneous
MSDS
PIMA Technical Bulletins
- PIMA TB 101-Roof Insulation Specimen Conditioning pdf 139 KB
- PIMA TB 102-Compressive Strength pdf 138 KB
- PIMA TB 104-Fire Performance in Roof Systems pdf 168 KB
- PIMA TB 105-Fire Test Definitions pdf 133 KB
- PIMA TB 106-Polyiso Nail Base and Asphalt Shingles pdf 572 KB
- PIMA TB 107-Dimensional Stability of Roof Products pdf 185 KB
- PIMA TB 109-Polyiso Storage and Handling pdf 127 KB
- PIMA TB 110-Polyiso and Single-Ply pdf 137 KB
- PIMA TB 111-Class A and Class 1 Roof Assemblies pdf 137 KB
- PIMA TB 111C-Roofing Regulations in Canada pdf 132 KB
- PIMA TB 112-Moisture Generated During Construction pdf 133 KB
- PIMA TB 113-Multi-Layering of Polyiso Roof Insulation pdf 132 KB
- PIMA TB 115-Energy-Efficient Roofing and Re-Roofing pdf 182 KB
- PIMA TB 116-Sustainable Building and LEED 2009 pdf 112 KB
- PIMA TB 117-Polyiso Insulation Types pdf 323 KB