Applications
Foam glass aggregate applications
From lightweight fill over soft ground to frost insulation under roads, each application below explains the engineering problem, what changes with Enviro-Rock, and the properties that matter.
Civil infrastructure
Soft ground embankments
Enviro-Rock foam glass aggregate fill for road embankments, grade raises and widenings over soft or compressible ground, accepted on BC's Recognized Products List.
Civil infrastructure
Retaining wall backfill
Free-draining foam glass aggregate backfill for MSE, cast-in-place and segmental retaining walls, where a lighter fill means less lateral earth pressure on the wall.
Civil infrastructure
Bridge approach fill
Lightweight, free-draining fill for bridge approach embankments and the backfill behind abutments and wing walls, to cut approach settlement and earth pressure on the structure.
Buildings
Load-compensating foundations
Sub-excavate heavy soil under a building and rebuild with light Enviro-Rock fill, so the clay below carries less net load and settles less, as on a six-storey Kelowna project.
Buildings
Under-slab insulation
One layer of foam glass aggregate under a slab on grade that insulates, drains, breaks capillary rise and gives soil gas a path to a radon system.
Buildings
Green roof and plaza fill
Lightweight, free-draining foam glass aggregate for green roof build-ups, deep fill over roof slabs and the base under pavers and pedestals on plazas and terraces.
Civil infrastructure
Trench backfill
Lightweight, insulating trench backfill for utility lines, pipeline corridors and manholes, to cut the load on buried pipes and help protect lines from frost.
Parks and recreation
Sports field fill
Lightweight, free-draining fill that brings sports fields, parks and playgrounds to grade over soft ground, used at Vancouver's Killarney Park and Burnaby's Jim Lorimer Park.
Civil infrastructure
Railbed fill
Lightweight, free-draining subgrade fill below ballast for rail embankments on soft ground, track approaches near bridges, rail yards and constrained urban corridors.
Cold regions
Frost protection
An insulating, non-frost-susceptible foam glass aggregate layer that reduces frost penetration into susceptible subgrades under roads, pavements and foundations in cold regions.
Residential
Basements, pools and driveways
Free-draining, insulating foam glass aggregate backfill for basement and foundation walls, swimming pools, hot tubs and heated driveways, in bulk loads or 1.7 m³ super sacks.
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