Foundations XPS Insulation

9 Products


Owens Corning FOAMULAR 250 Extruded Polystyrene (XPS) Insulation is a closed cell, moisture-resistant rigid foam board well suited to meet the needs for a wide variety of building applications.

  • R-Value Ranges: 4-20
  • Thickness Ranges: 0.75-4"


FOAMULAR® Fanfold Damproofing/Waterproofing Board (DWB) is a thin extruded polystyrene fanfold board with a non-perforated plastic film facer.

  • R-Value Ranges: 1
  • Thickness Ranges: 0.25"

Solutions for your Building Enclosure - Simplified

From foundations to roofs, and with the walls in between - Owens Corning has a complete library of solutions for your building enclosure needs.  Engineered with Owens Corning technical expertise and backed by Building Science, Owens Corning® Enclosure Solutions deliver buildings that perform without compromising design.

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