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What should the thickness of the substructure be for set up?

The thickness of the substructure depends on the purpose of the surface, usage and local conditions. It guarantees stability of the grid and load resistance. It also prevents surface deformation. On less permeable soils (e.g. clay), substructure should be approximately 20cm thicker. The recommended substructure thicknesses are:

• Pedestrians: 10cm
• Cars: 20-30cm
• Heavy Traffic: 40-50cm

What should be considered before and during matting installation?

RecoPath are made of plastic due to its properties stretches in high temperatures and shrinks in low temperatures. A 5cm gap should be maintained between the grid and other surfaces or objects fixed to the substructure, e.g. parking post. The gap must be filled with sand.

Due to possible dimension instability, problems may occur while joining individual grids. This can be avoided by using items from several pallets at a time. This is achieved by joining large-size grids to medium-sized grids, and the medium grids to smaller grids. Cell walls must be completely filled with gravel or grass. Otherwise, the protruding grid structure could be damaged mechanically.

What are the instructions for laying the matting on stone?

To prevent weed growth, a geotextile membrane should be placed under the grid. Grids should be filled with crushed, self-binding stone with the size of 8-20mm (smaller fractions may get under the grid). Grid must be completely filled with aggregate. Protruding grid walls could be damaged in use. To achieve uniform aggregate distribution, filled grids may be re-compacted using a vibrating plate compactor with a rubber pad. Should filling material fall beneath the edge of the grid, more aggregate should be spread so that the cell walls are fully covered. The expansion gaps between the grid and other surface should be filled with sand.

What are the instructions for laying the matting on grass?

To install the grid on grass, the grids are filled with good, organic garden soil with a high humus content and a pH of 5.5 to 6.5. Once filled with soil, the grids should be sprayed with plenty of water to get proper compaction. The soil should reach approximately 0.5cm below the edge of the cell wall. Grass should be sown crosswise – with half of the seeds distributed along and half across the surface. The seeds must be covered with a 0.6-1.2mm layer of sand. During germination it is important to maintain proper soil moisture – water slightly in the morning. Grass sprouts will appear after approximately three weeks. Do not use the surface for 8-12 weeks to allow the grass to become strong – and do not park cars on the grass surface for longer times. First mowing is possible when grass is approximately 10-12cm long. During the first year after sowing, keep the grass longer (4-5cm) to let it spread over the surface quickly. When the lawn is dense enough, grass may be cut to 1-2cm.

How can the gravel grid be assembled on grass?

To install the gravel grid on grass follow the instructions below:

1. Set out the shape of the surface using a cord, remove soil to a proper depth.
2. Level the ground maintaining a 1.5%.
3. Place a geotextile membrane and reinforce the substructure.
4. Spread the self-binding aggregate and compact mechanically.
5. Spread a layer of ballast sand and level out with a traversing rule.
6. Start in the corner and install grids in rows. The interlocking notches point the installation direction.
7. Join the grids with the notches, press down by foot or tap with a rubber mallet.
8. If needed, cut the grids with an angle grinder or a blade to fit.
9. Maintain a minimum 5cm gap between the edging and grid surface.
10. Level out the grid surface using a compactor or a garden roll

How can the grid be installed on a slope?

To install grid on a slope:

1. Remove plants and level out the slope.
2. Start in the corner and install grids in rows, with notches in a downward direction.
3. Join the grids by the notches.
4. Grids can be cut as needed to fit the shape of the terrain.

What can grid be mounted with?

Grid can be mounted with:

• Native Soil
• Sandy Soil
• Grass
• Plants
• Stone

What should be considered when filling the grid?

Important points to consider:

1. Grids must be installed on an even and clean native soil (no substructure required)
2. When filling with stones, we recommend installing geotextile under the grid to prevent weed growth
3. On small slopes modules can be fixed with 24cm plastic anchors (38cm or 50cm on sandy soil). On hard or clayey terrain or larger slopes, anchoring with corrugated steel rods is recommended
4. At the top of the slope, modules should be anchored every 0.5m (four anchors per one square metre). On lower parts of the slope, two anchors per one square metre
5. It is recommended that grass slopes are covered with agrotextile (17 to 23 g/m2) for the time of seed germination to accelerate grass growth and ensure protection against birds
6. It is best to sow grass or fit plants in spring or early autumn