Unfaced Foam

For Commercial and Residential Applications Insulfoam Unfaced Foam is an engineered insulation consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS). Insulfoam Unfaced Foam is available in 4′ x 4′ and 4′ x 8′ standard sizes with thicknesses from ¼” to 40″, and is readily available in custom lengths, widths and densities with little to no impact on lead time. It is also available in tapered panels. With the highest R-Value per dollar over any other rigid insulation, consider Insulfoam Unfaced Foam for your projects. Available in a wide range of sizes, Insulfoam’s rigid Unfaced Foam can fit any roof, below-grade and wall insulation project needs. Unfaced boards are available between 10-60 psi.


  • Roof recover and new roof installations
  • Compatible with with both light- and dark-colored single-ply membranes
  • Metal decks
  • Below-grade
  • Total Wall Sheathing System
  • Cavity Wall Insulation
  • Tongue & Groove Sheathing
  • Profile-Cut Siding Underlayment
  • CI Panels – Continuous insulated nail base
  • Architectural & specialty wall shapes
  • Exterior Insulation Finishing Systems (EIFS)