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.

• A fraction of the weight of gypsum cover boards.
• >80 psi minimum compressive strength.
• Manufactured with EPA-compliant blowing agents.
• Contain no CFCs or HCHSs; 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.