Concrete contractor in St. Catharines

Scaling affects the upper surface. Settlement changes the entire slab elevation. A crack may be stable or may mark ongoing movement. Looking at the surrounding grade and the way water behaves gives those observations context.

Local repair can be practical where damage is isolated and sound concrete remains. It cannot correct the route of a driveway or patio that drains to the wrong place.

A front walk may meet older steps and a newer driveway; a patio may meet a low rear door and high lawn. The new slab should resolve those real edges rather than assuming the previous surface was correct.

Colour differences remain where new work meets concrete left in place. An honest project plan treats that meeting as a visible joint.