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Common Uses

We produce large (4' X 18") concrete Big Block for retaining walls, underpasses, bridges, commercial buildings, viaducts, etc. We will work to coordinate your next service project with our high quality, affordable product, to ensure success every time. We hope to be an excellent resource for you.

Joliet London Boulder

KNAUER INDUSTRIES produces LONDON BOULDER® concrete BIG BLOCK, providing landscape solutions for Commercial/ Government, Freeway / Roadway, or Private / Residential needs. We offer beautiful, rugged, and economical alternatives for any landscaping challenge. We have the right configuration to fit your particular need.

The BIG Block System for Contractors

The KNAUER BIG BLOCK system is designed for easy installation. With a multitude of block sizes, we have become the contractor choice for BIG Block. Our support staff and extended engineers are available 24 hours a day through our text service to answer any question during an install.

Knauer Big Block Systems for Contractors

Setting up a KNAUER BIG BLOCK wall is a snap. After the base is prepared, the blocks can be stacked as efficiently as the lift can pick them up.

Walls under 4 feet typically require no geogrid and minimal excavation.

Knauer Big Block Problems and Solution

Big Block Products

KNAUER BIG BLOCK offers beautiful, rugged and economical alternatives for your residential or commercial retaining wall and landscaping challenges. ideas. Our big blocks are available in a variety of face textures to compliment your environment. Whether your application requires Commercial/ Government, Freeway / Roadway or Private / Residential, we have the right configuration to fit your specific needs. We can quote any job.

42" Full Boulders

42 inch Boulder Blocks

The 42″ Full Boulder will make up the majority of most walls. The primary characteristics of the Full Boulder are its 48″ front face tapering back to a 32″ rear face, with two parallel channels on the top surface and two interlocking box lugs on the bottom surface.

  • 38" - 42" deep blocks
  • Multiple setbacks & Multiple face textures
  • Two sided walls
  • Free standing wall
  • 7 different blocks

28" Solid & Core Boulders

28 inch Boulder Blocks

The 28″ Boulder is our most agile block in the family. Available are the Solid 28″ boulder and the Core 28″ weighing in at only 1,290 lbs. They both easily maneuver in tight spaces and designed to integrate with all of the LondonBoulder BIG blocks.

  • Multiple shapes
  • Solid or cored units
  • Two sided units 48" front and 48" back
  • Makes a 28" depth BIG Block
  • Geogrid foot option



The V-Interlock Block is not meant to be pretty, it’s meant to get the job done. At 2 feet high, 2 feet wide and 6 feet long, the block form takes 24 cubic feet of concrete to make a 3,600 pound block.

  • Go-to form for straight-forward applications
  • Straight, Corner, and T-block units
  • Male and female V notch interlocking
  • Convenient liftpoint
  • Straight and combination options


Click the files below to download more information about our Big Block System.

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About Us

KNAUER BIG BLOCK is a division of KNAUER INDUSTRIES AND KNAUER CONCRETE PRODUCTS. Knauers is a family owned and operated business. The roots of Knauers dates back to the 1950s during which we had just one full-time and one part-time employee. Today, we are three generations of Knauers and 28 full-time employees. Our dedicated employees have many years of experience ranging from 5 to 50 years in the burial vault business. We are the industry leader of manufactured lined burial vaults, grave boxes, cemetery grave markers, and other types of architectural precast concrete products. The quality of our concrete is superior, and we are proud of all our products and services. We are proud to say ALL of our products are MADE IN THE U.S.A. BY AMERICANS.

Our Team

Meet our team.

Knauer Big Block Operations Manager

Josh Fisk

Operations Manager

Knauer Big Block Office Manager

Tammy Smith

Office Manager