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URBANGRAVEL Gravel Stabilisation Grid

Slip resistant gravel grid for heavy traffic areas

  • Integrated assembly system prevents grids from separating
  • Exceptional strength – withstands 800T/m²
  • 100% water permeable – excellent natural drainage
  • Ideal for heavy traffic areas
  • UV and frost resistant
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Description

Description

Watco Urbangravel is a honeycombed grid without geotextile designed to consolidate and retain gravel. With a vertical resistance (filled) of 800 T/m² , which equates to 40 full lorries, it’s ideal for use in car parks, access roads and heavy traffic areas in industrial or commercial environments. 

Easy to install, Urbangravel has an integrated and interlocking system, which prevents the grid from moving or separating. The surface is slip resistant and water permeable, ensuring a safe surface and excellent natural drainage.

Recommended areas of use

  • Car parks
  • Access roads
  • Heavy traffic areas in industrial or commercial environments

Features

  • Excellent natural drainage - 100% water permeable
  • Integrated anchoring and assembly system prevent mats from moving or separating
  • Can be installed on slope with up to 15% incline for traffic areas
  • Slip resistant
  • Eliminates ruts and puddles
  • Resistance to temperatures from -30°C to +60°C
  • UV and frost resistant
Specifications

Specifications

Properties Cell structure: Hexagonal (honeycomb) / internal diameter 60mm.
Suitable for Car parks, access roads, heavy traffic areas
Interior or Exterior Exterior
Composition Recycled polyethylene.
Number of components 1
Coverage Usable dimensions: 591 mm x 378 mm x 40mm Usable area: 0.2234m2 (4.4763 tiles per 1m2), Overall dimensions: 600mm x 390mm x 40mm
Depth (mm) 40mm
Application

Application

Site preparation
Where required, create edging or kerbs to form the desired shape, using a laser level to align the heights. Tiles can be cut using a hand or power tool to fit around kerbs or other obstacles.

Preparing the sub-base
Excavate soil to the required depth from 40 to 70 cm according to the use. The depth of the sub-base will vary depending on the use:
  • Car park: from 40 to 50 cm.*
  • Trucks: from 60 to 70 cm.*
*Values may be adjusted according to the nature of the soil. 
Compact with a vibrating plate.

It is important to check at least the load-bearing capacity of the soil and its permeability. Also check if the ground is prone to rising groundwater. We recommend that these important considerations are professionally assessed by means of a geotechnical survey carried out by structural engineers.

Laying the geotextile membrane
Lay a non-woven geotextile membrane of at least 120g/m² weight.

Draining foundation
Lay a draining foundation layer of 40/80 crushed stone to 30-50 cm depth. Compact with a vibrating plate.
The drainage layer is optional. A drainage layer is recommended where:
  • Laying the geotextile membrane
  • The sub-base is not permeable enough to absorb runoff water
  • The sub-base is prone to rising groundwater.

This layer can act as a buffer and should allow access water to drain away. In some situations, drainage can be improved by running pipes through the drainage layer.

Sub-base
On top of the draining foundation, lay a sub-base of mixed of crushed 0/31.5 gravel to a depth of 20-30 cm. Compact with a vibrating plate.

Levelling layer
Lay a levelling layer of 5 mm-to-dust to a depth of 1-4 cm. This layer provides a clean surface and corrects any variation in level.

Install Urbangravel
Lay the Urbangravel modules and lock them together using the integrated clip system.
Lay the ‘male’ module with the projecting tab towards you and clip the slot of the ‘female’ tile over it.

Filling
Fill the cells to the top using crushed aggregate graded to between 5 mm (min.) and 10 mm (max.). Spread the gravel evenly.
Data sheets

Data sheets

Technical data sheets

Technical Data Sheet
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€5.50 (Ex VAT)

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URBANGRAVEL Gravel Stabilisation Grid

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