Technical Library
EPS Geofoam Technical Library
Density guides, block sizing references, installation instructions, and specification articles — everything you need to design and source EPS Geofoam.
Dimensions Reference
Standard EPS Geofoam Block Sizes
EPS Geofoam is manufactured in large blocks that are cut to standard dimensions at the plant. The most common block size in the United States is 8 ft × 4 ft × 4 ft.
8 ft × 4 ft × 4 ft
Most common U.S. standard block.
8 ft × 4 ft × 2 ft
Half-height block for top course.
8 ft × 4 ft × 1 ft
Thin slab for grade adjustment.
4 ft × 4 ft × 4 ft
Half-length block for corners.
10 ft × 4 ft × 4 ft
Extended block for large-volume projects.
Custom × Custom × Custom
Custom sizes available from most manufacturers.
Block dimensions and availability vary by manufacturer and region. Always confirm dimensions and tolerances with your supplier before finalizing design.
Technical Articles
Specification guides, design references, and application notes
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