Articles by Tim Wilson

Dynamic real-world exposure testing (funded by DuPont)

Rethinking Magnesium Oxide (MgO): A Fresh Look at a Proven Building Material

Once known primarily for fire resistance and durability, modern magnesium oxide (MgO) sheathing is now emerging as a reliable, system-level solution that improves thermal performance, reduces thermal bridging and supports today’s high-performance wall designs.
Tim Wilson is solutions development leader at DuPont.
Tim Wilson
March 9, 2026
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Magnesium oxide panels are drawing renewed interest as a durable, fire-resistant alternative to traditional board materials. Advances in manufacturing and performance are prompting contractors and designers to reconsider where MgO fits in modern wall assemblies.
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