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Keystone® Structural Products

Through more than 30 years of product growth, Keystone and its network of producers have become the world’s leading source of segmental retaining wall and landscape systems, and the industry leader in the development, marketing, and sales of concrete hardscape products.

Keystone’s success can be attributed to many things, including: innovative product development, top-notch engineering solutions and design tools, marketing solutions to build brand awareness and generate demand, knowledgeable sales professionals, and a global network of the finest manufacturers of concrete products.

Keystone looks to a future where the company continues to redefine the industry, add to its long line of inventive products, expand its range of green building technology, and strengthen its worldwide network of manufacturers, contractor/dealers, and retail distribution.

For more information on Keystone’s landscape products, visit

Keystone® Standard

Keystone Standard The Keystone Standard is an American original and remains the industry leader. The Keystone Standard unit’s height-to-depth ratio delivers a structurally sound, engineered wall system with superior construction stability, durability, and strength. The product is the preferred choice for tall walls and critical structures.

Keystone® Compac

Keystone Compac Featuring unrivaled aesthetic options, cost saving versatility and proven wall performance; the Keystone Compac retains its position as the most specified unit on the market. An installer’s favorite, the Compac’s lighter weight and shorter tail design make it easy to handle.

Keystone Century Wall®

Keystone Century Wall Designed specifically for medium to large wall loading conditions, Keystone Century Wall combines the distinctive look and character of a natural stone three-piece system with superior structural integrity. For projects where aesthetics are paramount; Keystone Century Wall allows you to build with confidence. In select markets, Half Century Wall (4”h) units are available to combine with the 8” version; to achieve an ashlar pattern wall design.

The Contech Advantage

Agency/Regulatory Guidance

Our team is ready to provide you with expert advice and assistance on local regulatory requirements, resulting in faster approvals.

Solution Development

Our engineers can review your requirements, weigh all options, and recommend the optimal solution to integrate with your site designs.

Technical Expertise

Our engineers assist by providing product specific engineering calculations such as hydraulics, buoyancy, foundation reactions, and unit sizing.

Cost Estimates

We can quickly provide engineer’s cost
estimates to assist with your solution
selection process.