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Foundation & Waterproofing

Basement Waterproofing & Foundation Repair  How Groundhogs.ca Protects Your Home

November 20, 2025
7 min read

Groundhogs Environmental isnt just about septic systems. Our sister division at Groundhogs.ca specializes in basement waterproofing, foundation repair, and structural stabilization across Northwestern Ontario.

Why Basement Waterproofing Matters So Much in Northern Ontario

Thunder Bay and Northwestern Ontario see heavy snow, fast spring thaws, and intense rain events. All that water has to go somewhere  and too often, it ends up against your foundation. Over time, hydrostatic pressure, poor drainage, and aging concrete can lead to:

  • Wet or damp basements
  • Mold and mildew growth
  • Cracked foundation walls and floors
  • Leaning or bowing walls
  • Structural settlement and uneven floors

That is where our partners at Groundhogs.ca come in. While Groundhogs Septic focuses on septic system design and installation, the Groundhogs Environmental foundation division is fully dedicated to keeping basements dry and homes structurally sound.

What Groundhogs.ca Does: Foundation Repair & Waterproofing

The Groundhogs foundation team provides engineered solutions for challenging structural and water problems. Typical services include:

  • Interior & exterior basement waterproofing  full drainage systems, sump pump installation, and moisture control.
  • Foundation crack repair  injection, structural stitching, and long-term sealing methods.
  • Wall reinforcement & straightening  solutions for bowing, leaning, or cracked walls.
  • Structural lifting & leveling  pier systems and engineered supports to address settlement.
  • Drainage improvements  grading, weeping tile, and water management to keep water away from the foundation.

Just like our septic division, the foundation and waterproofing division is built on engineering support, detailed diagnostics, and systemized installation processes.

One Company, Two Specialized Divisions

Homeowners often discover septic issues and foundation issues at the same time  especially during real estate transactions or major renovations. Instead of juggling multiple contractors, Groundhogs can coordinate both: septic system upgrades through Groundhogs Septic Systems and structural or waterproofing work through Groundhogs.ca.

This "one company, two specialties" approach means:

  • Aligned engineering and design between septic and foundation work
  • Clear communication with one project team
  • Better scheduling and fewer delays
  • Long-term solutions that consider the whole property

Foundation Replacement & Major Structural Projects

For some properties, simple crack repairs are not enough. Groundhogs.ca also tackles full and partial foundation replacement projects where homes are temporarily supported while failing foundations are rebuilt.

These complex projects require:

  • Engineering review and stamped drawings
  • Careful structural support and lifting
  • New footings, walls, and drainage
  • Close coordination with building officials

Our foundation division manages these details so homeowners can feel confident their home is safe, level, and protected for the long term.

Foundation replacement project by Groundhogs Environmental in Northwestern Ontario

A real foundation replacement project completed by the Groundhogs Environmental team.

When Should You Call Groundhogs.ca?

If you notice any of the following around your home, it is a good time to talk to the foundation and waterproofing team:

  • Water on the basement floor after rain or snowmelt
  • Horizontal or stair-step cracks in foundation walls
  • Musty odours or visible mold in the basement
  • Uneven or sloping floors
  • Windows and doors that stick or go out of square

The earlier these issues are addressed, the easier and more cost-effective they are to fix.

How to Get Help from the Groundhogs Foundation Team

Getting started is simple. You can:

  • Request a septic estimate here on Groundhogs Septic Systems for your onsite wastewater needs.
  • Visit our foundation and waterproofing division directly at Groundhogs.ca to learn more about basement waterproofing and foundation repair services.

Whether you are dealing with a wet basement, a settling foundation, or a full property upgrade that involves both septic and structural work, Groundhogs has a specialized team ready to help.

Need Basement Waterproofing or Foundation Repair?

Visit our dedicated foundation and waterproofing division at Groundhogs.ca to see project photos, services, and request a consultation.

Need a Septic System in Thunder Bay?

If you're reading this article because you suspect your current system is nearing the end of its life, or you're planning a new build, our team can help with everything from design to full installation and replacement.