A sump pump is one of the most important components in protecting your Montreal home’s basement from water damage. It quietly works behind the scenes to keep your foundation dry—especially during spring thaws, heavy rainfalls, or unexpected plumbing leaks. However, when a sump pump fails, the consequences can be costly.

In this article, we’ll explain the common reasons sump pumps fail, how you can prevent breakdowns with regular maintenance, and how they play a vital role in basement waterproofing systems.

What Causes Sump Pump Failure?

Despite being designed for durability, sump pumps are not immune to problems—especially when maintenance is neglected or installation is poor. Here are some of the most common reasons for failure:

1. Power Outages

Montreal’s storms can lead to unexpected power cuts. If your sump pump doesn’t have a battery backup, it stops working just when you need it the most.

2. Clogged Discharge Pipe or Inlet Screen

Over time, debris or frozen water can block your sump pump’s discharge line, preventing proper drainage. A clogged inlet screen can also reduce performance and burn out the motor.

3. Pump Burnout

Continuous heavy use—especially in older systems—can overwork the motor, leading to burnout. This is common in homes with poor foundation drainage.

4. Improper Installation

If the sump pump is the wrong size or was not installed correctly, it may short-cycle or fail prematurely.

5. Lack of Routine Maintenance

Even a high-quality sump pump needs seasonal checks to ensure it’s operating correctly. Without maintenance, small issues can grow into full system failures.

How to Keep Your Sump Pump Running All Year Long

Whether you’re preparing for winter frost or spring thaw in Montreal, these tips can help you keep your sump pump running efficiently all year:

Schedule Regular Inspections

Inspect your pump every 3-4 months. Test it by pouring water into the pit and checking that it activates and drains properly.

Clean the Sump Pit and Screen

Remove dirt, silt, or any obstructions from the sump pit and the pump’s intake screen to prevent clogging.

Install a Battery Backup System

To protect your home during power outages, invest in a battery backup sump pump system. It ensures your basement stays dry even during emergencies.

Check the Discharge Line

Ensure the line is free of ice or blockages, especially during Montreal winters. A frozen discharge pipe is a common problem.

Schedule Annual Maintenance with a Professional

An expert from Marco Réparation de Fondation can assess your entire interior drain and basement waterproofing system to ensure optimal sump pump performance.

Sump Pumps and Your Basement Waterproofing System

Your sump pump is part of a larger foundation waterproofing strategy. Without it, even a well-installed interior drainage system can fail under pressure.

At Marco Réparation de Fondation, we specialize in:

A healthy sump pump not only protects your basement from water—but also prolongs the life of your foundation and improves your home’s value.

Need Help with Sump Pump Maintenance or Installation?

Don’t wait until water seeps into your basement. If you’re noticing strange noises, slow drainage, or if it’s been over a year since your last inspection, it’s time to act.

Contact us today for expert sump pump servicing and reliable foundation waterproofing in Montreal. Our team will ensure your home is protected—no matter the season.