retaining walls paving stones patio stones RETAINING WALLS Unilock, North America’s premier paver and retaining walls manufacturer has been producing concrete unit pavers for over 28 years and has developed an expertise which is second to none. The outstanding collection of standard textured pavers have become the standard among many installers and do-it-yourselfer’s alike. Take your time and browse the various options we have available. All Unilock concrete products come with a Lifetime Guarantee* Unilock retaining walls are by far the most superior in North America. Our wall systems along with the unparalleled engineering support, provide you with peace of mind for every project. From initial design right through installation, our trained representatives will help you along the way! Take a moment and view the products and videos and see exactly what we’re talking about. Primarily, retaining walls are used to secure a grade or to terrace areas for creating additional usable space. Unilock manufactures a line of retaining walls that handle most types of residential, commercial and heavy duty industrial applications. For larger jobs, we provide engineering software and have design services available to assist contractors.