Expanded Capabilities.
Unchanged Commitment.

The products and service you trust—now supported by Insulfoam's national capabilities and expanded EPS expertise.

ThermaFoam Is Now Insulfoam

As of May 29, 2026, ThermaFoam has officially transitioned to Insulfoam, a Carlisle company and one of the nation's leading manufacturers of high-performance expanded polystyrene (EPS) insulation.

For existing customers, it's business as usual—with even more opportunities ahead. You'll continue working with the products, people, and service you trust, while gaining access to Insulfoam's broader portfolio of EPS insulation solutions, expanded manufacturing network, and nationwide supply chain.

Whether you're building roofs, walls, below-grade assemblies, or infrastructure projects, Insulfoam is committed to helping you build smarter, faster, and more sustainably.

What This Means for You

  • Access to Insulfoam's complete portfolio of EPS insulation solutions
  • Expanded manufacturing and distribution capabilities across the U.S.
  • Enhanced technical expertise and customer support
  • The same commitment to quality, reliability, and service you expect

If you have questions about this transition, please contact your local Insulfoam representative.

ThermaFoam Is Now Insulfoam transition landing page graphic

ThermaFoam to Insulfoam
Product Transition

As part of this transition, certain ThermaFoam products are being discontinued or converted to equivalent Insulfoam products. Due to current inventory levels, laminated roofing products may ship with ThermaShield facers until the inventory is depleted.

Download the transition guide to view discontinued products and their corresponding Insulfoam replacements.

ThermaFoam Crossover and Discontinued Item List

ThermaFoam to Insulfoam
Code Certification Transition

EPS products manufactured at the Hillsboro, Texas facility will transition to Insulfoam's code documentation and product markings. This update ensures compliance with:

  • ASTM C578
  • ASTM D6817

The new markings will help inspectors, auditors, and project stakeholders easily identify products, verify certifications, and connect manufactured products to Insulfoam as the certified manufacturer.

Building on a Strong Foundation

The transition from ThermaFoam to Insulfoam reflects Carlisle's continued investment in delivering industry-leading EPS insulation solutions backed by national resources, technical expertise, and a commitment to customer success.

We appreciate your business and look forward to continuing to serve you as Insulfoam. If you have questions about the transition, products, or project support, connect with your local Insulfoam representative to get the assistance you need.