Homes near the canal and the Rideau River are often a century old, on rubble stone or early block foundations. Resin injection does not work on these walls.
Repointing, parging and exterior membranes are the usual repairs, done carefully on narrow lots with neighbours close by.
Seal a leaking or hairline foundation crack from inside, usually in half a day, with no digging.
Excavate to the footing, repair and seal the wall, and install a membrane and new weeping tile.
An interior perimeter drain that collects water at the footing and sends it to a sump pump.
A look at cracks that are wide, stepped, horizontal or growing, and a clear next step.