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Getting Energized about Efficiency

Glavel, a Vermont-based startup, plans to take recycled glass, grind it into powder and combine it with a foaming agent so it can be a substitute for stone gravel, which is used under building foundations and roads.

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Insulating Gravel

The relatively high price of this foam-glass foundation base material is offset by the lack of a need for rigid foam sub-slab insulation.

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Rethinking Sub-Slab Insulation

Foam glass gravel (cellular glass) represents a simplification of sub-slab insulation installation for professional builders and DIY homeowners alike. In contrast with current methods requiring multiple products with complicated installation, cellular glass installation requires only a single product with minimal installation effort necessary.

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Recycling Glass into Aggregate

Highlighting the strength of glass over steel, and the thermally insulating properties over rigid foam board, Glavel creates a new system that can insulate without harmful environmental effects.

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