Insulfoam, North America’s largest manufacturer of block-molded expanded polystyrene (EPS), provides InsulFoam GF as an alternative to traditional fills used in building and road construction projects. This high-performance, geosynthetic material provides engineers and contractors a substitute for heavy earthen or concrete fill materials. InsulFoam GF is manufactured to meet specific jobsite requirements including roads, highways, retaining walls, railways and levees. This eco-friendly fill minimizes unmanageable soil settlement and does not require maintenance. With no formaldehyde or ozone-depleting HCFCs, InsulFoam GF is environmentally friendly and 100% recyclable.