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Navigating the Fiberglass Shortage: How the Industry Adapted

Fiberglass capacity starts to tighten when housing starts hit 1.4–1.5 million annually. Because it’s used more heavily in residential projects, commercial jobs may be deprioritized when residential demand spikes. More fiberglass capacity came online in 2024 and more is expected in the coming years, but until then, the insulation industry will have to continue to adapt.

Principia recently conducted a survey of 150 commercial insulation contractors. The findings provide a ground-level view of current market dynamics and offer a valuable lens into the impact of fiberglass shortages.