Underpinning construction is done for building a basement. It helps deepen the existing foundation and bearing a high capacity. This process strengthens a wall that may have been cracked. Contact the foundation Underpinning Contractors in Toronto of Rock Bottom Underpinning to help with your project. The service details of the company by specialists are on our website. Contact Details Address 3-1750 The Queensway Suite 1206, Etobicoke, Ontario, M9C 5H5, Canada Open 24 Hours Phone No 4165463558