EnergyGuard™ Tapered Polyiso Insulation

EnergyGuard™ 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.

  • System Approval Mod Bit, BUR, single-ply
  • Evaluation Report UL ER1306-03
  • FM Approved 4450/4470
  • UL 1256/790/263
  • UL Class A over Combustible Decks* Cover board required
  • Miami-Dade County Product Controlled Approved
  • State of Florida Approved
  • Green Circle Certified For Recycled Content
  • ASTM C1289 Type II, Class 1 Grade 2 (20 psi) or Grade 3 (25 psi)

*See UL iQ for assembly details.

For additional information, contact The GAF Tapered Design Group at 866-207-7123 or

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™ 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
EnergyGuard™ 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 at 866-207-7123 or via email at
EnergyGuard™ Tapered Polyiso Insulation

A partnership based on excellence

Each year, GAF invites contractor businesses to join this key partnership based on shared business commitment, reputation, loyalty, capability, and philanthropy.

Drive water toward roof drains to promote positive drainage