Underpinning is a process to strengthen, repair and increase the existing foundation depth. Rock Bottom Underpinning offers first-class services of underpinning in Toronto. We are known for their top-notch work and reliability. So if you are looking for these services, call us or visit our official website today. Contact Details: Address: 3-1750 The Queensway Suite 1206, Toronto, Ontario, M9C 5H5, Canada Phone: +1 416-546-3558 Business Hours: Monday: Friday: 6:30 am–8 pm Saturday: 8 am–5 pm