Dupont Styrofoam

Dupont Styrofoam

Dupont Styrofoam (formerly Dow Styrofoam) is a materials science company dedicated to giving their customers the solutions they need to both achieve their goals and create a better tomorrow.

World-changing solutions take teamwork and a belief that a breakthrough is only a moment of inspiration away.

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STYROFOAM™ Brand Extruded Polystyrene (XPS) Insulation

STYROFOAM™ Brand Insulation is the original extruded polystyrene foam insulation, invented by Dow and the first in a portfolio of products that would continue to grow and evolve to meet the needs of the building and construction industry and its related markets. 


  • Agricultural building applications
  • Residential above and below grade applications
  • Commercial above and below grade applications
  • New construction
  • Reconstruction and retrofitting
  • Transportation
  • Refrigeration
  • Walk-in coolers and refrigerated warehouses
  • Garages and panels


  • Resists moisture infiltration and condensation
  • Helps reduce heat loss or gain
  • Available with ranges of compressive strength and long-term durability
  • Excellent thermal performance
  • Available in ranges of thicknesses, surface and edge treatments
  • Easy to handle, cut and install
  • Excellent freeze-thaw resistance
  • Reusable in many applications
  • Resists compressive creep and fatigue
  • Lightweight