Insulation and Cover Boards

DiamondBack Pre-Cut Miters

DiamondBack® Pre-Cut Miters are comprised of two separate tapered panels factory-cut at a 45-degree angle. DiamondBack® Pre-Cut Miters are manufactured from Tapered ENRGY 3®, a tapered polyisocyanurate foam core bonded in the foaming process to universal fiber glass reinforced facers. All DiamondBack® Pre-Cut Miters are available in either 20 psi or 25 psi (138 kPa or 172 kPa) compressive strength.

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