NG040 Expansion Joint Unit

NG040 Expansion Joint Unit
Designed to be used with Nidagravel NG040 gravel grids to create expansion joints within large installations to allow for any thermal movement of the grids during periods of very hot weather.

£2.00 + VAT

Quick Install Expansion Joints
The NG040 expansion joint units are designed to be used specifically with our Nidagravel NG040 heavy-duty gravel grid system. The NG040 expansion joint unit has been designed to absorb any potential thermal movement across the NG040 gravel grid installation that may occur during periods of extremely hot weather. When installing large stabilised gravel car parks and driveways, etc it is recommended that a 5cm expansion gap is left around the perimeter edge of the installation between the grids and the edging. This can be filled with loose gravel. In addition to this perimeter expansion gap, it is recommended that expansion joints be installed every 10m between grids. The NG040 expansion joint unit is quick and easy to install and simply clicks into place between the grids. 2 expansion joint units are used per grid or 4 per linear meter of expansion joint. The expansion joints are filled with gravel along with the grids once laid.

All projects both large and small require a 5cm expansion gap around the outer perimeter between the grids and the edging. Smaller projects, depending on the layout and installations under 10m in width may not require additional expansion joint units installed within the body of the grids, subject to the length of the installation. For these smaller projects, any thermal movement will be absorbed by the perimeter expansion gap.

For additional advice on planning the expansion joint runs and where to position them on a larger project please contact us to discuss the specifics of your project.

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FREQUENTLY ASKED QUESTIONS:
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CASE STUDIES
View a Nidagravel NG040 gravel grid stabilised gravel car park project

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HOW WE DELIVER:
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TECHNICAL SPECIFICATIONS:
  • NIDAGRAVEL NG040 EXPANSION UNITS
  • Unit dimensions: 205mmm x 65mm x 32mm (L x W x H)
  • Unit thickness: 32mm
  • Unit Qty per grid: 2 per grid
  • Unit Qty per linear metre: 4 per linear metre
  • Unit wall thickness: 2 - 5.5mm
  • Unit weight: 100g each
  • Unit colour: Black
  • Gravel fill: Decorative aggregate (angular shaped)
  • Gravel fill: 6 - 14 mm (recommended)
  • Gravel fill: 20 mm (max. size)
  • Axle load: 20 tons
  • Certification: DIN 38412, DIN 4102, DIN 1072
  • Certification: DIN & ISO 124 & B125
  • Product NIDAGRAVEL NG040 EXPANSION UNITS
    Function Gravel Stabilisation Only
    Material Low-Density Polyethylene (LDPE)
    Recycled Made from 100% Recycled Plastic
    Weight Approx 100g per unit
    Strength Up to 310 tonnes per SQM (Unfilled)
    Strength Up to 800 tonnes per SQM (Filled)*
    Under compression / Load-bearing
    In accordance with ISO 844
    Dependant on gravel type used*
    Durability Excellent
    Resistance to chemical substances
    Highly resistant to aggressive products
    Highly resistant to microorganisms and rodents
    Excellent UV Resistance
    Certification
    DIN 38412 Weather proof and environmentally friendly
    DIN 4102 Approved for emergency access roads
    DIN 1072 Approved for axle loads up to 20 tons
    DIN/ISO 124/B125 Approved for parking spaces, access roads and storage depots
    • Code: - NIDANG040EJU
    • Stock: - IN STOCK (Always in stock & ready to deliver)
    • Brand: - Nidaplast - more

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