Glavel Saxon Hill: A Fully Operational Foam Glass Plant

BURLINGTON, VERMONT - Glavel, Inc., a long time supporter of the Passive House Accelerator is incredibly excited to announce production of foam glass gravel out of the Saxon Hill Plant in Essex VT. This kiln is the first of its kind in North America, being electrified and powered by nearly carbon free energy. Vertical integration of glass processing will begin in late 2022. The plant has created 14 jobs, with additional hires to come.

“This is the result of years of diligent work. The team we’ve put together is capable of doing great things; combined with this prodigious facility, we cannot wait to develop the foam glass market and stake ourselves as leaders in the low embodied carbon space. From sub slab insulation, to green roof systems, and civil applications, we expect Glavel to be ubiquitous across the built environment.” Rob Conboy, CEO

Over the course of the next two weeks, Glavel’s operations team will be commissioning products, training plant staff, and testing material specifications. Saleable product is anticipated to be ready by March 1, 2022.

About Glavel, Inc.

Glavel, Inc. is a manufacturer of foam glass gravel out of Burlington Vermont. Used for a variety of verticals in the construction industry, foam glass is applicable as a substrate for sub slab insulation, as lightweight fill for green roof systems, and as fill for civil applications. Foam glass gravel is lightweight, rot resistant, inert, fire resistant, and free draining. To find out more, visit

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