Many established structures in Toronto encounter foundation difficulties due to issues like subsidence , soil conditions , and years . Base reinforcement represents a niche construction technique employed to bolster the support ability of a building's current foundation . The process often includes digging under the current foundation and building

Toronto’s variable soil conditions often cause foundation problems , requiring specialized underpinning methods . Underpinning involves strengthening existing foundations or creating new ones to improve their stability capacity. Common approaches include mini-piles , concrete jacking , and gunite applications, all carefully assessed and implement