About EnergyGuard™ NH Tapered Polyiso Insulation

EnergyGuard™ NH Tapered 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. EnergyGuard™ NH Tapered Polyiso Insulation systems are a series of tapered and fill panels that, when properly installed on a low-slope roof, help drive water to the drain, thus prolonging the life of your roof system. Available in 1/16”, 1/8”, 3/16”, 1/4”, 3/8”, and 1/2” per foot slope, in both standard and extended panels.

  • One of the highest insulation values compared to other FM Class 1 rated product of equivalent thickness
  • Lightweight for easy handling and cutting in the field
  • Comprehensive UL and FM approvals
  • Manufactured with EPA-compliant blowing agents
  • GreenCircle third-party recycled content certified
  • 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
  • Is a Red List Free product with a Declare label designation

For additional information, contact The GAF Tapered Design Group at 866-207-7123 or tdg@gaf.com

Features & Benefits

EnergyGuard™ Tapered Insulation offers high thermal efficiency while addressing ponding water by employing lightweight, easy-to-cut panels that are available in a variety of slopes and compatible with a variety of roof systems.

Product Documentation

Tapered design allowing for proper drainage

Learn about tapered polyiso products, design, and installation tips

Our full line of EnergyGuard™ tapered insulation is just the beginning. Learn about products, systems, and design info, instructional videos, and installation tips, or start a conversation by connecting with experts in your region.
EnergyGuard™ NH Tapered Polyiso Insulation

Connect with a specialist on custom tapered solutions for your project

The GAF Tapered Design Group offers dedicated tapered design specialists throughout North America, delivering efficient tapered solutions with your specific project in mind. Services include tapered design, layout strategies, product suggestions, and more. Need an immediate assistance? Call 866-207-7123 or email tdg@gaf.com
EnergyGuard™ NH Tapered Polyiso Insulation

Tapered systems labeled by area boost on-site efficiency

To help increase efficiency unloading, sorting, and staging, GAF can ship your complete tapered system pre-sorted and pre-labeled by roof area. For more information, please contact the GAF Tapered Design Group. Design Group at 866-207-7123 or via email at tdg@gaf.com.
EnergyGuard™ NH Tapered 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.