About EnergyGuard™ NH Polyiso Insulation

EnergyGuard™ NH Polyiso Insulation maintains the same R-value when tested according to ASTM C1289 standard using the C518 test method at both a mean temperature of 40°F (4.4°C) and 75°F (24°C) and is better for the environment as it contains no potentially hazardous flame retardent chemicals.

  • Holds the polyiso industry's only product specific Environmental Product Declaration (EPD) for non-halogenated products
  • Holds a Health Product Declaration (HPD)
  • Living Building Challenge Red List Approved
  • GreenCircle certified for recycled content 
  • Holds PIMA Quality Mark Certification
  • Lightweight material is easy to handle on the jobsite and installs quickly
  • Meets ASTM C1289 Type II, Class 1, Grade 2 (20 psi), and available in Grade 3 (25 psi)
  • Better for the environment - does not contain potentially hazardous flame retardent chemicals

Features & Benefits

Product Documentation

Stanley Center for Peace and Security

A Center for all humankind meets Living Building Challenge objectives with EverGuard® Extreme TPO and EveryGuard™ NH Polyiso Insulation.

Spec Advisor for Green Building Rating Systems

A quick look at systems that meet LEED® and Living Building Challenge™ certifications by using EnergyGuard™ and other GAF components.

Resources for every professional

Contractor working on a commercial roof


We’re building new plants for greater capacity, and better systems for faster response and greater visibility.
Contractor Resources
An architect drafting blueprints

Architects & Design Pros

We’re building better, faster, more accurate access to the information you need.
Design Resources
A commercial storage facility

Property managers & owners

Whether you manage one property or many, we’re building the products and programs you need to reroof, restore, or maintain your investment.
Building Resources