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Flush Groundgrid Gravel & Grass Reinforcement Grid – 570mm x 380mm x 40mm

Flush Groundgrid Gravel & Grass Reinforcement Grid – 570mm x 380mm x 40mm

Regular price £2.87 GBP
Regular price Sale price £2.87 GBP
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Flush Groundgrid Gravel & Grass Reinforcement Grid – 570mm x 380mm x 40mm

Create strong, stable and durable outdoor surfaces with the Flush Groundgrid Gravel & Grass Reinforcement Grid. Manufactured from 100% recycled plastic, this heavy-duty interlocking ground reinforcement system is ideal for driveways, pathways, parking areas and landscaping projects.

Designed to provide excellent ground stability while allowing natural drainage, Flush Groundgrid helps prevent gravel migration and reinforces surfaces exposed to pedestrian and vehicle traffic.

Its lightweight construction and interlocking connection system make installation quick and straightforward, while its weather-resistant design ensures long-lasting performance with minimal maintenance.

Key Features & Benefits

  • Heavy-duty construction – designed for demanding ground reinforcement applications.

  • 100% recycled plastic – environmentally conscious and fully recyclable.

  • High load-bearing capacity – manufacturer's stated capacity of up to 400 tonnes/m².

  • Interlocking design – secure connection system for straightforward installation.

  • Natural drainage – open-grid structure allows water to drain through the surface.

  • Prevents gravel migration – helps keep gravel surfaces stable and evenly distributed.

  • Weather resistant – resistant to frost and UV exposure.

  • Lightweight and durable – easy to handle, transport and install.

  • Low maintenance – designed for long-term outdoor use.

  • Versatile applications – suitable for gravel and grass reinforcement projects.

Ideal Applications

  • Gravel driveways and garden pathways

  • Grass reinforcement and green parking areas

  • Private access roads and lanes

  • Landscaping and garden projects

  • Construction sites

Product Specifications

Specification Details
Manufacturer Principal Building Products
Product Flush Groundgrid
Dimensions 570mm x 380mm
Depth 40mm
Material Recycled PE/PP plastic
Colour Black
Weight Approx. 1kg per grid
Coverage Approx. 0.217m² per grid (Approx. 4.6 grids per m²)
Wall Thickness 6mm
Load Bearing Capacity 400 tonnes/m² (manufacturer stated)
Axle Load 120kN (manufacturer stated)
Green Area Ratio 87%


Whether you're creating a new gravel driveway, reinforcing a grass parking area or undertaking a larger landscaping project, Flush Groundgrid offers a practical and durable ground stabilisation solution.

Coverage & Ordering Information

Sold individually – price is per grid.

Each Flush Groundgrid measures 570mm x 380mm and covers approximately 0.217m².

Approximately 4.6 grids are required per square metre.

For example:

  • 5m² = 23 grids

  • 10m² = 46 grids

  • 20m² = 92 grids

  • 50m² = 230 grids

We recommend rounding up to whole grids and allowing extra for cuts and wastage where necessary.

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