EnergyGuard™ NH HD Polyiso Cover Board

A TCPP-Free EnergyGuard™ NH HD Polyiso Cover Board meets all the inherent properties and performance polyiso is known for and has the highest R-value (2.5) of any cover board without any halogenated flame retardants – making it your best choice for a sustainable building design. In a first for the industry, the full line of EnergyGuard NH TCPP-Free polyiso products is available at standard EnergyGuard polyiso pricing.

  • A fraction of the weight of gypsum cover boards.
  • >80 psi minimum compressive strength.
  • Manufactured with EPA-compliant blowing agents.
  • Contain no CFCs or HCFCs; has zero ODP.
  • Excellent dimensional stability.
  • Lower overall perm rating than many conventional insulation boards.
  • Is a Red List Free product with a Declare label designation.
  • Holds a Health Product Declaration (HPD).
  • Meets ASTM C1289 Type 2, Class 4, Grade 1 (80 psi minimum).
  • Meets FM 4450/4470 and UL 790.
  • Meets FM Approval criteria for severe hail damage resistance (Class 1-SH) when FM Approved as a component of a Class 1-SH rated roofing assembly. Refer to RoofNav.comfor specific assembly approvals.

Sustainable design projects pursuing certifications under a green building rating system such as LEED® v4 or Living Building Challenge will benefit from these certifications and listings.

Features and Benefits

Product Documentation

Three GAF contractors laying down and aligning TCPP-free NH polyiso products with TCPP free icon

TCPP-Free EnergyGuard™ NH polyiso at standard polyiso pricing. It’s the right thing to do.

First in the industry to offer a full line of TCPP-Free NH polyiso products with low-temperature-stable R-value and product-specific EPDs, GAF now offers the entire NH line at our standard polyiso price.

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

Contractors

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
GAF employee outside flatbed truck with shingles

Roofing suppliers

Find tools, documents, and training designed by GAF to help you serve your customers.
Dealer Resources