Endless Possibilities with the Tandem® Wall System


The Tandem® Wall System designed by Belgard® features versatile products that maximize your property's landscaping potential to create an aesthetically seamless space that's easy to maintain and looks great. Let your imagination run wild! The Tandem® Wall System designed by Belgard® provides multiple Face Styles that will complement any hardscape. Tandem face styles have three innovative installation systems to choose from, Tandem Modular Block, Tandem Plastic Connectors and Tandem Modular Grid, that allow you to build attractive, curved or straight retaining and freestanding landscape walls and structures.Great for use in a wide range of residential and light commercial hardscape projects.

Face Styles:

The Tandem® Wall System is available in four different face styles*:

Ashlar Tandem                        Lafitt Tandem                       Lamina Tandem                 Melville Tandem

*Availability will vary by region.

Installation Methods

Tandem Modular Block w/connectorTandem Modular Block:

Ease and flexibility of The Tandem® Wall System now with a new method of installation

Features & Benefits:

  • Three different veneer face styles
  • Design flexibility
  • Better stability during installation
  • Limited job site space solution
  • Connecting multiple blocks together to reinforce to make a higher wall without geogrid
  • Easily construct reinforced corners by connecting multiple blocks
  • One all-purpose plastic connector; retaining wall, double faced wall, setback wall, corners, curved wall and columns


Tandem Plastic Connector:

Tandem Plastic ConnectorFeatures & Benefits:

  • Gravity wall height up to 3 feet without surcharge and reinforced walls up to 8'
  • 2.6 connectors per sq. ft. of wall
  • Polypropylene Copolymer
  • 2 connectors per unit
  • Structural integrity in curved or straight walls


Tandem Modular Grid:

Modular GridWhat makes the Tandem® Wall System revolutionary is its modular grid, which enables a stone veneer to be fixed onto a wooden framework and multiplies the number of potential applications for increased versatility and flexibility. And it's all done in three simple construction steps.

  1. Wooden Framework is first built to the desired size, forming a skeleton around which the rest of the structure will be assembled.
  2. Tandem Modular Grid is then attached to the wooden framework, providing an ancho for the Tandem veneer.
  3. Tandem Veneer Units you have chosen are then fixed to the grid using the specially designed connectors.

Features & Benefits

  • Versatile: Modular grid can be used to construct virtually any structure up to 6ft. tall
  • Easy to install: Easily attach the grids to a wooden structure and simply connect your veneers to the structure with connectors
  • Stylish: A new look can now be added to unsightly existing structures or to create new outdoor living elements

Tandem Wall


Tandem ColumnTwo Installation Methods:


1) Tandem Modular Block

Features & Benefits:

  • Creates 21” x 21” square column
  • Core can be used to fit a 4" x 4" post. Ideal for a pergolas posts or mailbox post.
  • Open core is ideal for adding lights to any column



Column Cage Kit2) Kit/Cage:

Features & Benefits:

  • Versatile: Can be used constructed new columns or columns around existing posts.
  • Easy to install: Easily connect large veneers to the grid with connectors.
  • Stylish: A natural stone look can now be used to create new columns or update existing unsightly wooden posts.

U Start Base Block:

U Start Base BlockFeatures & Benefits:

  • Built-in hand-holds for easy installation
  • Installs quickly and easily for improved jobsite efficiency
  • Strong, lightweight, and shaped to interlock to hold position
  • Center core allows for aggregate interlock and frictional connection with base leveling pad
  • Notches provide for easy alignment for straight walls and for a 6' radius
  • Provides a sturdy base level for curves, 90 degree corners, columns, or straight walls