EnergyGuard HD PLUS • GAF

GAF’s EnergyGuard™ HD PLUS is a half-inch thick, high-density polyiso cover board. It has an R-value of 2.5, and at 13 pounds per 4x8 foot board is a fraction of the weight of gypsum cover boards. With more than 110 psi compressive strength and a durable, coated glass facer, it is an ideal board for protecting a roof against the elements. This versatile product is compatible with mechanically attached TPO, fully adhered TPO, cold-applied MB, cold-applied BUR applications and more. For more information, visit


ISOGARD HD • Firestone

ISOGARD™ HD Cover Board has a closed-cell polyiso core that utilizes ISOGARD™ Foam Technology. The board provides high UL Fire-resistance ratings, some of the highest thermal performance of any half-inch insulation cover board on the market, and is resistant to extreme weather conditions. With an R-value of 2.5, it can provide high energy savings and achieve points in the LEED rating system. Lightweight and easy to cut and install, this high-density cover board offers savings from reduced transportation costs, labor and material during application. For more information, visit


HS CoverBoard  • Atlas

The HS CoverBoard by Atlas Roofing was designed for use in virtually every type of flat-roof application. This new, high-strength product provides the insulating power of polyiso, the strength of a durable cover board, and the stability of a lightweight coated-glass facer. It keeps insulation secure beneath the roofing membrane and resists damage from foot traffic and heavy loads. The sturdy compressive strength of ACFoam® HS CoverBoard is created by closed-cell polyiso foam, which is laminated to a durable and dimensionally stable coated-glass facer. For more information, visit


Structodek HD • Blue Ridge Fiberboard

Blue Ridge fiberboard now offers Structodek HD with Primed Red Coating for single-ply application. Asphalt free, “green and clean” primed red coating is factory applied to both sides. The result is an economical, single-ply fiber cover board compatible with all membranes and adhesives — even low-VOC and water-based glues. Moreover, this product is FM & UL Approved in more than 125,000 specific RoofNav assemblies including modified bitumen and traditional BUR systems. It’s truly a universal product. Compare the cost and performance benefits to similar gypsum and polyiso alternatives. For more information, visit


DensDeck Prime • Georgia-Pacific Gypsum

DensDeck® Prime Roof Board has been enhanced to provide broader compatibility and higher performance with roofing adhesives. For fully adhered and self-adhered roofing systems as well as hot mopped, cold mastic and torch-applied modified bitumen roofs, it provides a stronger, more economical installation by reducing the amount of mastic or adhesive, potentially eliminating the field primer. It is the first and only gypsum roof board with a limited warranty against delamination or deterioration for up to 90 days of exposure to normal weather conditions when applied vertically on parapet walls. They are resistant to mold growth and have scored a 10, the highest level of performance for mold resistance under the ASTM D3273 test method. For more information, visit



USG SECUROCK® Gypsum-Fiber Roof Boards employ advanced technology in delivering an exceptionally strong, high-performance roof board for use in low-slope commercial roofing systems. Moisture and mold resistant, the board’s unique, fiber-reinforced, homogenous composition gives the panel water resistance through to the core.  It provides exceptional bond and low absorption in adhered systems and is rated Fire Class A for use in a fire-rated system. Its strength offers excellent impact resistance and enhanced protection for weather events. Composed of more than 97 percent recycled materials, it offers sustainable design for all types of roofing systems, including single-ply, fluid-applied, built-up, spray foam, metal and modified bitumen roofing. For more information, visit


SecurShield HD Plus • Carlisle SynTec

 Carlisle SynTec Systems has introduced SecurShield™ HD Plus to its line of commercial insulation products. SecurShield HD Plus is a Factory Mutual-approved, half-inch thick, polyiso foam core panel engineered for use as a cover board in fully adhered systems requiring a 1-90 uplift rating. This product is the first and only polyiso cover board to achieve the FM 1-90 rating with eight fasteners per 4x8 foot board. Incorporating premium-performance coated glass facers, it is lightweight, easy to cut and delivers an R-value of 2.5.  It also offers a durable 100 psi compressive strength in addition to resistance to mold, moisture and hail.  For more information, visit