EPS lightweight backfill blocks (Geofoam) are 98% air. This combination of plastic and air makes them lightweight, but also ensures their strength. The use of Geofoam blocks is the optimum solution when the soil is soft and cannot support conventional backfill loads. Geofoam blocks are designed to create lightweight backfill that meets the standards and requirements of civil engineering and the Quebec Ministry of Transport.
Geofoam is a product in which air engineering makes it possible to build strong, lightweight road structures.
Geofoam blocks are 80 times lighter than conventional backfill material!
Geofoam can be cut to a variety of shapes and sizes, and can also be used to add light relief to green roofs without generating extra weight. Structures do not generally need to be reinforced.
As a material composed of 98% air, Geofoam is environmentally inert. What’s more, the EPS used in its manufacture can contain up to 15% recycled content. Geofoam is therefore an impeccable solution for sustainable development.
Lightweight backfill blocks are used in the construction of roads, bridges, viaducts and other projects involving unstable soil. This product considerably reduces the weight of the backfill and, consequently, the stress on the subsoil.
Polyform produces large blocks of expanded polystyrene in a variety of densities. They are available in any size up to 16 feet long. They have negligible water absorption and excellent vapor permeability. These blocks give you very high compressive strength and impressive long-term stability.
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