Advanced Traffic Supplies

"Wunder-Covers" - infill utility access covers an old problem.

Wunder-Cover Problem

A New Solution...

Wunder-Covers Solution

Utility Access Covers Manufacturer in accordance with AS3996 Loadings


Pricelist and Specifications

Installation Guide


  • New Design - A good selection of sizes to suit most inspection chambers.

  • Versatile - Many applications including cobblestones, tiles, lawns, gardens and wherever a neat, professional finish is required.

  • Custom Sizes - We are able to meet most requests and happy to discuss special designs.

  • Cost Effective - Stylish Street Furniture

  • Made in N.Z. - Wunder-Covers are made in New Zealand and can be delivered to any retail outlet or despatched directly to site.

  • Strong - Standard 600 x 600 unit tested to 25 tonnes. Please specify load requirements when ordering.

  • Durable - Hot-dipped galvanised (standard) and also available in stainless steel.

  • Easy to Install - Click here.

  • Lightweight - A standard 600 x 600 x 100 Type A Wunder-Cover is only 25kg, prior to installation and when filled with pavers is comparable to a cast-iron cover.


  • Fit as new, or replace existing manhole covers or utility access covers.

  • Recommended by leading paving manufacturers.

  • Used by councils and developers throughout N.Z.

  • Commercial, Civic and Domestic applications.


Wunder Covers

Viaduct Basin - Auckland


Kopeopeo, Whakatane

Wonder Covers


Pricelist and Specifications

New price list out soon. Please contact for details.


  • All prices in $NZ
  • Please confirm prices when placing orders.

Installation Guide

Click here for printable installation Instructions

Step 1

Set the frame to the desired level. Orientate to best suit the pattern of the pavers (optional).
Frame must be fully supported including internal flanges & gussets.


Wunder-Cover Install Step 1

Step 3

Insert lid. Screed sand, lay and cut pavers as normal.

Wunder-Cover Install Step 3


Typical Wunder-Cover Installation

Example of a Typical Installation

Step 2

Plaster all gaps. Leave sufficient depth for pavers to fit over external flanges.
Once the plaster is firm, the pavers can be laid and cut neatly to the edge of the frame.

Wunder-Cover Install Step 2

Step 4

Fill joints with dry sand. Compact carefully in the usual manner.

Wunder-Cover Install Step 4




  • If unusually heavy loads are expected, please contact us for advice.
  • If tiles, asphalt or similar are used, the cover can be partially filled with concrete.
  • Wunder-Covers are easily removed with standard utility "Lifting Keys".
  • All Wunder-Covers are 100mm deep unless otherwise requested.


North America customers please visit