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Dow Board (XPS Foam)

Dow Board XPS foam insulation is a high-performance, moisture-resistant rigid foam available in 1, 2, 3, and 4-inch sheets of 4 foot by 8 foot, commonly used in construction and fabrication, and can be CNC cut into any custom size or shape to meet your exact specifications.

  • Excellent Insulation (High R-Value): Provides strong thermal resistance per inch, helping reduce heat transfer and improve energy efficiency
  • Durable Compressive Strength: Designed to handle loads without crushing, ideal for structural and below-grade applications
  • Moisture Resistant: Closed-cell structure prevents water absorption and maintains long-term performance
  • Wide Temperature Performance: Remains stable in both hot and cold environments without losing effectiveness
  • Lightweight & Easy to Work With: Simple to cut, shape, and install for custom applications
  • Cost-Effective: Offers strong performance at an affordable price point
  • Material Composition: Made from extruded polystyrene (XPS), a dense closed-cell foam
  • Recognizable Blue Color: Easily identified on job sites as Dow insulation board