Rigid Insulation For Metal Buildings

Rigid insulation offers several advantages for metal buildings, including superior thermal protection and easy installation. We offer a variety of continuous rigid insulation systems for metal building roofs and walls.

Not sure which rigid insulation product is best suited for your job? Our team is experienced and ready to help. 

Rigid Insulation for All Metal Building Applications 

We offer a variety of rigid insulation products for metal building roofs and walls. Whether new construction or retrofit, we've got the products you need. 

We’re experts in commercial energy code compliance. We’ll structure a custom rigid insulation solution that meets building envelope requirements in your state.

Best-in-Class Service

Meet Energy Codes 


  • Available in custom lengths and delivered with individual job detailing 
  • Offers the highest R-value per inch in the industry 
  • Installs faster than any other board product and with the smallest crew imaginable: Only one crew member is required to install a board panel 

Meet R-Seal®: The Only Rigid Board Product Engineered Specifically for Metal Buildings

R-Seal® is a durable rigid board insulation for use in roofs and walls of new construction and retrofit applications. It is the only rigid insulation system specifically engineered for metal buildings and the field of concerns of metal building erectors.

Rigid Insulation Products from Therm-All

R-Seal® is durable rigid foam board insulation designed for use in roofs and walls of new construction and retrofit applications. It is the only rigid insulation system specifically engineered for metal buildings and the field concerns of metal building erectors.

R-Seal® Rigid Insulation System

Rigid Insulation Systems

Rigid insulation systems provide substantial thermal performance. Our quality inventory of rigid insulation systems includes R-Seal® Rigid Insulation System, Hunter Wall Panels, Rmax, Atlas and Thermax™.

DuPont™ Thermax™™

Therm-All is proud to be one of the largest distributors of Thermax™ in the metal building industry. Thermax is UL-rated for exposed use in roofs and walls.

Rmax Products

We offer a full line of Rmax board products, including Thermasheath®, the TSX-8500 Series and the TSX-8510 Series.

Hunter Wall Panels 

Our most popular Hunter board products include Xci 286, Xci CG, Xci Foil and Xci Class A Foil.

Atlas Products

Our most popular Atlas product include ACFoam-II® and ACFoam® Supreme.

What Are the Benefits of R-Seal®?:

  • R-Seal® is a solution for meeting commercial energy codes, including the ASHRAE 90.1 and IECC continuous air barrier requirements.
  • The most durable rigid board product to hit the metal building market. R-Seal® has a higher compressive strength and a more durable finish than other polyiso sheets.
  • Because R-Seal® is so durable, it can be installed faster than any other board product. It only takes one crew member to install a product sheet while another preps the building wall panel.
  • The highest R-value per inch in the industry, and at an economical, low-install cost.
  • More economical than insulated metal panels. No boom trucks or heavy equipment are needed, so you save money on machine rentals and labor.
  • Equipped with integral tape tabs, available in custom lengths, and delivered with individual job detailing.

Connect With the Professionals at Therm-All Today

We’ve been at the forefront of metal building insulation since 1981. With 13 facilities nationwide, we are strategically positioned to provide superior customer service on a regional basis. It’s time to partner with a metal building insulation supplier you trust.