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Tandem® Modular Block
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Tandem® Modular Block

The flexibility of the Tandem Modular Block system allows interconnection of structural units by using their tenon and mortise features. This has the advantage of being able to build stronger walls by adding units in the back.

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.
  • Retaining & Freestanding Block Wall Systems

For use with Ashlar Tandem, Lamina Tandem & Melville Tandem blocks.


  • * Required

Technical Information
Tandem™ Modular Block
7 1/16 x 7 7/8 x 7 7/8
Universal Clip
5 3/4 x 1 1/4 x 7/8
Technical Information
Tandem™ Modular Block – Data Sheet
Tandem™ Modular Block – Columns Cutsheet


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