Thermally insulating, load-bearing bulk aggregate made from 100% recycled glass.

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Glavel, Inc. is a Vermont based company that specializes in manufacturing lightweight aggregate from recycled glass. Its technology enables the construction industry to more cost effectively insulate below slab and achieve substantial reductions in the building material embedded carbon. Glavel is an excellent substitute for infrastructure projects that specify lightweight aggregate.

  • High thermal insulation properties – R 1.7 per compacted inch.
  • Very water permeable – Glavel’s cells remain dry, interstitial spaces allow water to drain off.
  • Excellent frost resistant properties and protection against frost heave of foundations/roadbeds.
  • Resistant to nearly all acids, bases, bacteria, frost, aging, rotting, wetness and rodents.
  • Environmentally-friendly recycled glass has an excellent energy balance.
  • Inert material when exposed to soil, qualifies as “clean fill”.
  • Lightweight – Glavel weighs only 9.5 lbs per cubic foot.
  • Non-combustible – Glass does not burn.

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