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LSG Installation Instructions

Home > LSG Series® > LSG Installation Instructions
LSG Series®

Installation Instructions

Click here to download PDF Calculate how many LSG Grids you'll need here Click here to Calculate

For Loose Gravel Top Installation

For Loose Gravel Top Installation

1) Lay out job prior to excavation.

2) Remove all vegetation, debris or pavement.

3) Excavate soil to appropriate depth (see chart below)

4) Prep subgrade. Use gravel to level any areas if desired.

For Loose Gravel Top Installation

5) Install non-woven geotextile fabric overlapping by a minimum of 12″ at the seams.

For Loose Gravel Top Installation

6) Lay out stakes.

  • Four j-hooks should be placed at each corner of expanded grid dimensions.
  • You should have one j-hook in each corner.

For more detailed explanation of how to properly measure and place the corner stakes, click here.

NOTE: Grid can be cut with any cutting tool to any shape or size as needed to fit the job site.

For Loose Gravel Top Installation

7) Unpack Grid.

  • Remove bands with any cutting tool.
  • Unfold the Grid.

NOTE: If using more than one piece of Grid refer to connection instructions below.

For Loose Gravel Top Installation

8) Expand Load Support Grid.

  • Start by attaching the 4 corner cells to the 4 j-hooks.
  • Then, place a j-hook at the halfway point on each of the long sides and attach grid to those j-hooks.
  • Continue adding more j-hooks and expanding open the grid until the long sides and then the short sides are fully expanded.

For a more detailed explanation of expansion, click here.

For Loose Gravel Top Installation

9) Continue to add j-hooks or simply fill gravel in perimeter cells as needed to ensure proper expansion.

10) Install rebar j-hooks every 4′ – 5′ throughout the system to keep the grid pinned down.

For Loose Gravel Top Installation

11) Begin filling cells with infill (see chart below for specified material).

  • To prevent damage to the Grid, limit the drop height of infill to no more than 3 ft.

12) Machine infill.

  • It is safe to drive on cells that have been completely filled.

CAUTION: DO NOT TWIST MACHINE TRACKS ON GRID.

13) Rake or blade compact the infill to specified dimensions over top of cells (see chart below for dimensions).

14) Compact infill with a plate compactor or plate tamper.

COMPLETED: Gravel-Tek installation.

For Grassy Top Installation

For Loose Gravel Top Installation

Instead of a non-woven geotextile fabric, use Triax geogrid as the underlayment below the cells. This will allow grass roots to grow deep.

Instead of filling the cells with stones, fill with a 50%/50% mix of washed angular stones and topsoil.

COMPLETED: Grass-Tek Installation

For Paver Top Installation

For Loose Gravel Top Installation
  • Traditional Method: Screed sand and lay pavers.
  • Permeable Method: Lay permeable pavers.

Note: Rebar j-hooks as shown above are not necessary for this application.​

COMPLETED: Paver-Tek Installation

How much do I need to excavate?

LSG Reference Chart

*After compaction, infill settles to about 1/2″ above cell

LSG Series® Grid Connection Guide

LSG Series® Grid Connection Guide

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