EnergyGuard™ Polyiso Insulation

Polyiso is a closed-cell, rigid foam board insulation used in roof and wall assemblies within commercial and residential buildings of all types. Because of its high thermal performance, it is the product of choice for energy-aware architects, specifiers, builders, building owners, contractors and consumers.

Performance dashboard

Features & functionality

    • Excellent “LTTR” value
    • Light weight, same R-value
    • Low water permeability
    • Excellent dimensional stability
    • High moisture resistance and no capillarity
  • Visit GAF for more product specifications:

  • CSI MasterFormat® #07 21 00

  • For specification information, refer to:

Environment & materials

  • Improved by:

    • No GS Benchmark 1 ingredients
    • EPA compliant blowing agents containing no CFCs or HCFC
  • Certifications & rating systems:

    • FM Approved
    • ASTM C1289
    • UL 1256

How we are making it healthier

GAF is a founding manufacturer of the Health Product Declaration since 2011 and has supported the launch of the HPD Open Standard and HPD Collaborative.

GAF is the only roofing manufacturer to publish Health Product Declarations (HPDs) on our TPO and ISO products, which means there are no secrets about the materials you’re using on your roofing project.

environmental performance
Type III environmental declaration (EPD)
NSF | C2grave | N. America
Industry average

Rating systems

Environmental Performance

LEED BD+C: New Construction | v4 - LEED v4

Building product disclosure and optimization

Industry-wide(generic) EPD

1/2 product

Product-specific Type III EPD

1 product

Green Globes for New Construction and Sustainable Interiors

Materials and resources

NC Path B: Prescriptive Path for Building Core and Shell

NC and SI 4.1.2 Path B: Prescriptive Path for Interior Fit-outs

Material Ingredients

LEED BD+C: New Construction | v4 - LEED v4

Building product disclosure and optimization

Credit value options

1 product each

1. Reporting

2. Optimization

3. Supply chain optimization

Living Building Challenge 3.0

Materials petals imperatives

10. Red List Free

12. Responsible Industry

13. Living Economy Sourcing

WELL Building Standard®

Air and Mind Features

Air 4. VOC reduction

Air 26. Enhanced Material Safety

Mind 97. Material Transparency

Mind 98. Organizational Transparency

Collaborative for High Performance Schools National Criteria

MW 10.1 — Building Product Health Related Information Reporting

Product Health Related Information Report

1 point