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Technical Q&A and Industry Insights from Heidi Jandris

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About Heidi

Heidi Jandris grew up immersed in all things concrete block. As a kid she helped her dad build block walls and as an adult worked by his side as a welder. She received a Bachelor of Architecture from Pratt Institute and a Masters of Sustainable Building Systems from Northeastern University’s College of Engineering. She is part of the 3rd generation of her family’s business, providing technical services to the design community while researching and implementing ways to improve the efficiency and lower the environmental impacts of their products.

Latest Posts

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Sep 16, 2026

Concrete Masonry Structures and Embodied Carbon

Q: I’ve heard that concrete masonry structures have low embodied carbon, is this true?

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Aug 5, 2026

Keeping Single Wythe CMU Masonry Leak Free

Q: How can we keep single wythe insulated CMU walls leak free? Do we need a vapor barrier?

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Apr 17, 2026

Concrete Masonry Aesthetic Options

Q: What concrete masonry aesthetic options are available for interior applications?

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Mar 21, 2026

The RILEM Tube Test and Concrete Masonry

Q: Is using a RILEM tube test the best way to determine water repellency of a CMU structure?

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Jan 30, 2026

How It’s Made

Q: How are concrete masonry units made?

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Jan 22, 2026

Thermal Mass & Passing Code Using Comcheck™

Q: We are using COMcheck™ to have a bit more flexibility passing the energy code. What’s the best way to enter insulated CMU?

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