GeoBlock® & GeoBlock® 5150 Porous Pavement Systems
Rigid Vegetated Load Support for Extreme Environments
The GEOBLOCK® Series represents the industry standard for high-strength, vegetated porous pavement. Designed for environments where "rolled" or "flexible" systems fail, these rigid units provide superior turf protection and structural integrity for emergency access, utility corridors, and heavy-use recreational trails.
The Series: GeoBlock® vs. GeoBlock® 5150
While both systems share the same interlocking technology and environmental benefits, they are optimized for specific project demands:
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GeoBlock® Standard: The classic, high-performance unit for pedestrian walkways, golf cart paths, and light-to-medium vehicular traffic.
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GeoBlock® 5150: Specifically engineered for maximum load support in emergency/utility access lanes. This is the go-to specification for municipal fire lanes and industrial sites requiring high-frequency heavy apparatus access.
Engineered Structural Integrity
The structural superiority of the GEOBLOCK system is centered on the geometry of the design:
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Four-Sided Tabular Interlock: Both units feature a tabular, interlocking design that transfers shear loads from block to block, preventing units from shifting or "unzipping" under stress.
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Maximum Load Distribution: When installed in a staggered bricklayer’s pattern, the system spreads concentrated wheel loads over the largest possible area.
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Resilient Material Profile: Manufactured from up to 100% recycled polyethylene, these units are chemically inert, non-absorptive, and tested to survive extreme freeze-thaw cycles.
Unmatched Permeability & Environmental Impact
The GEOBLOCK system offers a sustainable alternative to traditional hard-surface pavement:
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Stormwater Management: With over 87% open area at the surface, water percolates directly into the ground through integrated drain holes.
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Hydrological Performance: Under heavy rainfall simulation, the system maintains a run-off coefficient of just 1.5%, facilitating natural groundwater replenishment.
The Integrated 4-Component System
A successful installation requires the synergy of four major components:
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GEOBLOCK Units: The rigid structural skeleton.
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Engineered Base: An AASHTO #5 crushed rock blend mixed with topsoil (minimum 7% CBR).
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Selected Topsoil Infill: Pulverized sandy loam is recommended (avoid clay-heavy materials).
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Vegetation: High-quality turf or groundcover suited for local climate conditions.
Professional Applications
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Fire & Emergency Access: High-load capacity for heavy apparatus while maintaining a green aesthetic.
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Trail Hardening: ATV trails, hiking paths, and wheelchair-accessible wilderness ways.
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Commercial Infrastructure: Auxiliary parking, driveway shoulders, and medians.
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Public Assets: Approaches to monuments, statues, and fountain aprons.
Technical Resources & Engineering Support
- GeoCHEM, Inc. provides full-cycle support for porous pavement design:
- Download GeoBlock 5150 Technical Specifications
- Access Typical Application Drawings & CAD Files
- View Installation Demonstration Videos
- Read Fire Access Lane Case Studies
- Click for case study gallery for GEOBLOCK5150
- Click for case study gallery for GEOBLOCK
- Click for case study gallery for GEOBLOCK5150
- CLICK HERE FOR ADDITIONAL ARTICLES, INSTALLATION PHOTOS AND VIDEOS!
Expert Technical Assistance
From fire access lanes and ATV trails to parking areas and golf cart paths, the GeoBlock® system delivers the structural performance required for infrastructure protection.
Contact GeoCHEM, Inc. for site-specific design assistance and technical representation.
