trossconstruction

  Every spring, and after almost every heavy summer storm, Montreal homeowners deal with the same problem: water in the basement. Older neighborhoods across the island, and lower-lying West Island areas like Dorval, Pointe-Claire, and Lachine, sit on clay-heavy soil and a high water table, so groundwater has few places to go except into your foundation. A properly installed sump pump is one of the most reliable defenses. This guide explains what a sump pump does, what installation costs in Montreal and the West Island in 2026, how the process works, and what to ask before you hire someone. Tross Construction helps homeowners with exactly this kind of basement protection work. What Is a Sump Pump and Why Do Montreal Homes Need One? A sump pump sits in a pit (the sump basin) dug into the lowest part of your basement floor. Groundwater collects in the pit through your weeping tile (the perforated drainage pipe around your foundation). When the water reaches a set level, the pump swi...