GeoSpan compressible fill material is an expanded polystyrene product
designed to act as a compressible medium between swelling soils and
structural elements. Where long-term soil movement can be predicted,
GeoSpan compressible fill material can be designed to reduce the forces
that would be induced on structures by soil movement, thus reducing the
likelihood of damage to the structure above. GeoSpan compressible fill
material is unaffected by water, does not support vermin or insects, and
the dimensions can be easily adjusted on the job site. GeoSpan
compressible fill material properties assist designers in addressing the
following code requirements:
- GeoSpan compressible fill material is designed specifically to meet
the structure requirements for each application.
- GeoSpan is available in a range of compressive resistance to permit
design for light structural to heavy structural elements.
- GeoSpan design criteria are provided for each application in the
design summary for review by the engineer.
- GeoSpan is not affected by the presence of water on the short
term nor is it dependent on the presence of water in the long term.
Boards and Pipe Covering is the National Standard of Canada for moulded
expanded polystyrene (EPS) insulation. The table below provides material
properties for PlastiSpan insulation meeting CAN/ULC-S701, Type 1.
Product Information Bulletin
GeoSpan and GeoVoid Compressible
Fill Material Design Provisions for
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|Required Project Data for GeoSpan Design|
|Structure Depth||Structure Weight||Soil Swell||Structure Uplift Capacity|