Heavy-weight Industrial Insulation - Highload | DuPont
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Heavy-weight Industrial Insulation - Highload | DuPont

  • Available in

  • Use

    Industrial insulation
  • Applications

    Heavy-weight infrastructure, airport runways, bridge abutments, ice rinks
  • Characteristics

    Rigid boards, shiplap edges, lightweight, closed-cell foam, compressive strength, moisture resistant
  • Format

    Foam board
  • Sizes

    24" x 96", 48" x 96" in typical thicknesses of 2.0", 3.0"
  • Certification

    Complies with ASTM C578, Type VI (Highload 40), Type VII (Highload 60), and Type V (Highload 100)
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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 Highload is extruded polystyrene insulation, a lightweight and easy-to-install foam insulation engineered to meet the needs of high-load applications. It has what it takes to stand up to the demands of airport runways, bridge abutments, ice rinks, etc.

Highload is a closed-cell foam insulation designed for use in heavyweight infrastructure and low-temperature applications. The product line gives thermal and moisture performance, plus the product options to design and build energy-efficient, resilient structures


  • Long-term compressive strength- Products resist compressive creep and fatigue
  • Highly moisture resistant- Superior resistance to water absorption, water vapor transmission and freeze thaw cycling

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