Cork Insulation Board Calculator

Cork board is a premium bio-based insulation for projects where material origin and moisture tolerance matter. Use this as early material planning only; confirm actual product datasheets and local assembly requirements.

Default material estimate

  • R-value per inch: R-3.6
  • Required thickness for R-20: 5.6 inches
  • Order area with 10% waste: 550 sq ft
  • Estimated material cost: $2,926

Material snapshot

  • Category: Rigid board
  • Form: Expanded cork panels
  • Typical use: Exterior walls, interior retrofits, and specialty low-carbon assemblies.

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