Polyiscyanurate roof insulation
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Foam III Compliances and Approvals Polyisocyanurate Insulation

Polyisocyanurate Roof Insulation Panels for Hot Applications

HCFC Free "Green"Roof Insulation: Polyisocyanurate core integrally laminated to heavy coated- glass felt facers

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Foam III complies with the requirements of the following codes and specifications when properly installed:

ASTM Compliance:

  • ASTM C 1289, Type II, Class 2

Federal Compliance:

  • Federal Specification HH-I-1972/GEN and HH-I-1972/2, Class 1 have been cancelled

Other Compliances:

  • Miami-Dade County, Florida Product Control No. 00-0208.04
  • California State Insulation Quality Standards and Title 25 Foam Flammability Criteria (License #TC 1231).
  • IBC, NBC, UBC and SBC Sections on Foam Insulation (Chapter 26)
  • CCMC No. 12423-L
  • CAN/CGSB-51.26-M86
  • CAN/ULC-S704

FM Standard 4450/4470 Approval
Foam III is approved for Class 1 insulated steel, wood, concrete and gypsum roof deck construction for 1-60 and 1-90 Windstorm Classifications. Refer to FM Approval Guide for details on specific systems.
UL Standard 790 (ASTM E 108) Classification
Class A with most roof membrane systems. See UL Roofing Materials & Systems Directory.
UL Standard 263 Fire Resistance Classification (ASTM E 119)
Some classifications for fire resistance are P225, P230, P259, P508, P510, P514, P701, P710, P713, P717, P718, P719, P720, P722, P723, P724, P725, P727, P728, P729, P730, P732, P801, P814, P815, P818, P819, and P828. See UL Fire Resistance Directory for updated listings.