Roof Insulation - Deckmate™ | DuPont
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Roof Insulation - Deckmate™ | DuPont

  • Available in

  • Use

    Low-slope roofs
  • Applications

  • Characteristics

    Lightweight, durable, flexible, easy installation, thermally insulating
  • Format

    Foam board
  • Sizes

    15.75" x 96" in typical thicknesses of 1.75", 2.125", 2.5", 3"
  • Certification

    Complies with ASTM C578, Type IV
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More about this product

The DuPont Styrofoam™ Brand facilitates a future of innovation in the building and construction industry. It features sustainable building products, insulating to meet core thermal, moisture, air, and vapor performance requirements through its rigid foam board technology.

DuPont Styrofoam™ Brand Deckmate™ is extruded polystyrene insulation, a lightweight and easy-to-install foam insulation that helps cover the bases on low-slope roofs by resisting moisture and freeze-thaw impacts while eliminating the need for a thermal barrier.

The durable and flexible Deckmate™ XPS foam insulation board keeps costs down with its direct-to-deck application and its ability to deliver thermal performance without the need for a separate thermal barrier. The product line gives thermal and moisture performance, plus the product options to design and build energy-efficient, resilient structures.


  • Easy to handle, cut and install
  • Reduces waste
  • Resists damage
  • Closed-cell structure
  • Excellent freeze-thaw resistance
  • Excellent insulating characteristics
  • High moisture resistance
  • Direct-to-deck application
  • Eliminates need for thermal barrier
  • Boosts energy performance
  • Cost-effective

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