Thermomass Resources

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The Thermomass Advantage

Innovative Products, Dedicated Service, Concrete Results

Since its founding in 1980, Thermomass has pioneered the high-performance concrete sandwich wall market and has helped clients design and build durable, energy efficient, aesthetically versatile, and environmentally responsible concrete walls. Our innovative technology has revolutionized concrete construction, and we continue to develop new products to keep Thermomass the leading international supplier of concrete insulation systems.

For the past 35 years, we have followed the simple philosophy that true success is derived from a balance of three things: innovative products, dedicated service, and concrete results. While newcomers to the industry may try to shortcut the process, we believe that each of these sectors is critical to the success of not only our company, but of every project we work on.

Innovative Products

Thermomass’ core business is the manufacture of energy efficient composite construction materials, created using a specialized process called pultrusion. As opposed to injection molding or extrusion operations, the pultrusion process allows us to create continuous lengths of reinforced polymer structural shapes that deliver constant cross-sections and consistent results - a critical factor when it comes to sandwich wall connectors and their long-term structural integrity.

The end result is a product line as strong and flexible as steel yet non-conductive and non-corrosive with unmatched structural strength and an unsurpassed history of performance.

Over the past 35 years, we have developed insulation systems for precast, cast-in-place, and tilt-up applications of any size project - from single family homes to NFL football stadiums and everything in-between.

To learn more about the Thermomass production method and why composites are better than plastics, please download our overview brochure that covers proper manufacture and testing of concrete sandwich wall components.

Dedicated Service

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Technical Questions

With a team of engineers, architects and product technicians boasting more than 200 years of combined experience, our Technical Services Department has been a part of thousands of projects, each with its own uniques challenges and goals. As a result, we are able to offer a unique blend of practical thinking and real world experiences to our clients. Whether it is advice on the compatibility of our systems with your project goals, recommendations on details, or a thermal analysis on a potential project, our technical department is there for our clients every step of the way.

Our Sales Support Staff are experts in the market through continuing education programs for the design community, industry specific committees, and code body participation. In addition to our team headquartered in Iowa, we have strategically placed individuals around the United States and around the world to service local markets and projects. This level of industry expertise and involvement results in a partnership with our clients that allows us to tackle even the most challenging project.

And when it comes to taking all of the drawings and details for a project and turning them into industry leading concrete insulation systems, the Thermomass Production Team is second to none. Combining years of operations experience, advanced pultrusion and CNC production techniques, and a dedication to both efficiency and safety; our manufacturing experts deliver the world's safest concrete sandwich wall system.

Thermomass also has a corporate philosophy of continued improvement through industry participation. As such, Thermomass is a Premiere Partner of the Precast/Prestressed Concrete Institute, a Global Associates Member of the Tilt-Up Concrete Association, and member of the American Society of Concrete Contractors

Concrete Results

Consistent parts yield consistent results. That theme is echoed throughout all aspects of Thermomass.

As part of our stringent quality control processes, Thermomass connectors are subject to rigorous third party evaluation. We exhaustively test all of our products, list them with independent agencies such as ICC-ES, and actively publish our findings. Thermomass systems have been used world-wide in thousands of projects for nearly forty years, and our products are listed with some of the industry’s highest evaluation services, including:

We also meticulously examine panels in service to see how they perform long after the panels have been erected. We’ve assessed how our systems help minimize safety concerns during critical  events like fires, collisions, blast loads, extreme wind loads, and seismic activity. As the industry leader in concrete sandwich wall construction, we feel that comprehensive analysis is essential in allowing you, your customers, and their families the peace of mind in knowing that the buildings you construct can withstand the test of time.

Learn more about our “Who’s Who” list of clients and projects at  and we encourage you to put us to the test and review our independent testing reports at and compare our products to any other in the market.

Energy efficiency in concrete terms™