Concrete Square Curbing for Landscape Boarders ConcreteVa.com works in Richmond VA and the surrounding areas. The square curb also offers its own unique benefits. Its shape allows it to be viewed equally from both sides. This allows it to be an ideal candidate for driveway and patio edging. It also has its place as a border where you want to use the top edge to mow from such as a garden or walking path. The square curb measures four inches high and six inches wide. [Show as slideshow] Name Please enter your name. Email Please enter a valid email. Your Message Please enter a message. Send Message Sent! Message failed. Please try again.