Roof Insulation

Proven Performance You Can Count On

STYRO-FLEX expanded polystyrene (EPS) roof insulation is compatible with all major roofing materials and systems, making it ideal for use in ballasted, mechanically fastened and fully-adhered roof assemblies, and under both membrane and built-up coverings. STYRO-FLEX EPS provides permanent high R-Values, superior dimensional stability and documented resistance to moisture absorption and physical degradation.

Available in flat, tapered and compound tapered panels, STYRO-FLEX EPS roof insulation offers unparalleled cost-effectiveness and design flexibility. With a long history of proven performance, STYRO-FLEX EPS provides building owners, architectural specifiers and contractors the confidence that comes from its successful application in millions of square feet of high-performance roof systems.

Discover The Benefits Of STYRO-FLEX Roof Insulation

• The lowest cost per R-Value of any rigid insulation board provides high insulating values that will not diminish over time.
• Superior dimensional stability helps assure that your roof insulation system remains tight and energy-efficient, and your membrane fully supported.
• Resistant to the effects of moisture, yet it breathes, is not a vapor barrier and needs no venting.
• Compressive strengths ranging from 10 – 25 psi that can accommodate specific roof traffic and loads without deforming.
• Sizes that offer more slope and dimension options than other insulations.
• Independent test reports document superior in-situ performance in a wide variety of roof applications.

Product Specifications

7220 - Roof Deck Insulation: STYRO-FLEX EPS roof insulation is available in tapered and flat panels and in a variety of slopes. Ideal for use in ballasted, mechanically fastened and fully-adhered roof assemblies, and under both membrane and built-up coverings.

Ballasted
Roof Assembly

Mechanically Fastened
Roof Assembly

Fully-Adhered
Roof Assembly

Factory fabricated hip and valley panels eliminate time consuming field fabrication of mitered corners.

Product Dimensions

STYRO-FLEX EPS roof insulation is available in a range of sizes to meet your specific application:
Thickness: 1/4 inch – 36 inches
Width: 24 inches – 48 inches
Length: 48 inches – 96 inches

Environmental Assurance

STYRO-FLEX EPS does not contain ozone-depleting CFCs or HCFCs.

Technical Data

Styro-Flex Design Considerations

Styro-Flex Physical Properties ASTM C578

Styro-Flex Safety Data Sheet

UL Evaluation Report ER 13418

UL Flame Spread and Smoke Developed Data

UL Roof Deck Construction No. 458