Vacuum Insulated Glass, Explained.
Independent guides, comparisons and technical insights on Vacuum Insulated Glass (VIG) for buyers, architects, window manufacturers and glazing professionals.
Latest research
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What this site covers
VIG Guide focuses on Vacuum Insulated Glass (VIG) — also called vacuum glazing — a sealed double-pane unit with a sub-atmospheric cavity that delivers triple-pane thermal performance in a slim profile. Use the sections below to dig into the fundamentals, the comparison landscape, and the brand ecosystem.
Learn
Background knowledge, pillar explainers, and topic-cluster deep-dives on VIG.
Compare
Side-by-side comparisons of VIG against double, triple, and low-E glazing.
Brands
Product profiles from established VIG brands and emerging challengers.
Applications
Heritage windows, sash windows, steel frames, curtain wall, and sloped glazing.
Technical
Standards, U-values, durability, edge seals, and pillar mechanics.
Manufacturers
Companies, factories, and geographies that produce VIG at scale.
Start with the pillar guide
New to vacuum glazing? Read thecomplete VIG guidefor a structured walk through the technology, terminology, and trade-offs — or jump straight to theVIG vs double-glazingcomparison if you already know the basics.