Interlock Ottawa Group provides professional Interlock design & installation services in Ottawa Ontario. Free In-Home Estimate for Interlock Stone Driveways, Patios, Walkways, and Retaining walls. <p> Payments Accepted: Cash, Cheque <p> Category: Landscaper <p> Year Established: 2013 <p> Product/Services: • Interlock Services • Interlock Patios • Outdoor patio • Interlock Walkways • Interlock Driveways • Retaining Walls <p> Additional Features:... Read More about Interlock Ottawa Group