What to Expect During a Professional Foundation Repair Project

Foundation excavation can feel like a big disruption. You may be wondering what happens to your yard, how long work takes, and whether the whole house needs to be dug up.

A professional project should have a clear plan. For many exterior foundation repairs, work is limited to the affected section, with each step explained before it begins. Here’s what Sudbury homeowners can expect.

Keep Dry Foundation Contractors has over 10 years of experience and has restored more than 300 properties. Clear communication is one of our core values, from the first assessment through the final grading.

1. Assessment And Diagnosis First

The first step is finding the source of the water and deciding what repair fits your home. A wet basement does not always mean the whole foundation needs excavation. The right scope depends on the leak location, wall condition, drainage, access, and other site conditions.

For a targeted exterior repair, the affected area is measured in linear feet. The measurement includes the wet area plus a two-foot overlap at each end. For example, a six-foot wet area can mean a ten-foot repair section.

Interior and exterior work solve different problems. Exterior foundation waterproofing protects the wall from the outside. An interior drainage system collects water that reaches the basement and moves it to a sump. Read our guide to interior vs. exterior basement waterproofing in Sudbury to learn more.

A written estimate should set out the recommended work and expected timing before you decide to proceed.

2. Preparation And Protection

Before excavation, the work area is planned. Utilities are marked, equipment access is confirmed, and nearby landscaping or hard surfaces are considered. The amount of preparation depends on the location of the affected wall and what is around it.

Some items may need to be temporarily moved or protected. A narrow side yard, garden, walkway, or driveway can affect how the crew reaches the foundation. Your contractor should explain what will be disturbed and what restoration is included.

3. Excavation To The Footing

Soil is removed down to the footing along the affected section. Depending on access and site conditions, this may involve hand-digging, a mini-excavator, or a combination of both. The work is full depth because water problems often occur at and below grade.

The excavation is usually limited to the area that needs repair, not the entire house unless the diagnosis calls for more extensive work. There will be noise, soil movement, and temporary restrictions near the work zone. Keep children and pets clear of the area while work is underway.

At Keep Dry, wooden bracing or shoring supports the work area during the repair and backfill process. Safe excavation and support are important parts of professional foundation repair.

4. Cleaning And Inspecting The Wall

Once the wall is exposed, it is cleaned so the true surface condition can be assessed. Cleaning removes soil and loose material that could hide defects or interfere with the repair.

Cracks or damaged areas that were not visible from inside may become clear at this stage. The contractor can then explain what needs attention before applying the protection system. If a crack needs a separate repair, ask how it will be addressed and make sure the scope is clear. Find out more about our foundation crack repair service.

5. Applying The Waterproofing Coating

After the wall is clean and prepared, a waterproofing coating or emulsion is applied. Keep Dry’s confirmed method uses a tar-like coating that resists water coming in while allowing vapour to escape.

The goal is not to seal the foundation shut. A leaking foundation is often saturated and needs to dry so the concrete can reach full structural integrity. An impermeable seal can trap moisture inside. The approach is simple: water out, vapour out, and the foundation able to breathe and dry.

6. Installing The Dimpled Drainage Membrane

A dimpled drainage membrane is installed against the coated wall. The dimples create an air gap and a path for water to travel downward rather than press against the foundation. This also allows the wall to breathe and dry.

The coating and drainage membrane work as part of the exterior system. Ask your contractor to explain what each layer does and how it is installed at your home.

7. Replacing The Weeping Tile

At the footing, old or damaged weeping tile can be removed and new drainage tile installed to meet applicable Ontario Building Code requirements. In some older Sudbury homes, the original tile may be clay.

Clear stone aggregate is placed around the new tile to help water move down and toward the drainage system. Where the layout calls for it, the system connects to a sump pit. The exact connection and discharge plan depend on the home and site.

8. Backfill, Grading And Surface Drainage

Once the foundation work is complete, material is backfilled and the area is graded to slope away from the home. Surface drainage and downspouts should also be checked so rainwater and snowmelt are directed away from the foundation.

Final landscaping and hardscape restoration depend on what was agreed in the estimate. If water management inside the home is also part of the plan, learn about our sump pit assembly service and read why sump pumps can fail during Sudbury’s spring snowmelt. For related moisture concerns, see our guide to crawl space leaks in Sudbury.

How Long Does It Take? How Disruptive Is It?

Most residential projects are measured in linear feet, and many take days rather than weeks. Every job is different. Access, excavation conditions, repair scope, weather, and restoration needs all affect the schedule. Your estimate should confirm expected timing for your project.

Expect some temporary disruption around the affected side of the home. There may be equipment, soil piles, and limited access while the work is underway. A clear plan helps you know what to expect and where to keep clear.

How To Prepare Your Property

Before the crew arrives:

• Clear access along the affected side of the house.
• Unlock gates and confirm the planned equipment route.
• Point out sprinklers, garden lighting, or other items that could be affected.
• Keep pets safely away from the work area.
• Ask what landscaping, walkway, or driveway restoration is included.

Questions To Ask Before You Sign

A dependable contractor should be able to answer these questions clearly:

• Will excavation reach the footing along the affected section?
• What coating and dimpled drainage membrane will be installed?
• How does the system allow vapour to escape?
• Will the weeping tile be installed to applicable code requirements?
• Where will the drainage system discharge?
• What does the written guarantee cover?

Foundation Repair Cost: Example Tiers Only

Every home is different, and the final cost depends on the confirmed scope, access, foundation condition, and drainage work required. These are example tiers only, not a quote for your property:

• Targeted areas of 5–20 linear feet: $6,000–$17,000
• Jobs over 30 linear feet: $24,000–$40,000

For an accurate price, request an estimate. Estimates are free in Sudbury on Monday and Tuesday. Outside Sudbury, or for appointments Wednesday to Friday, the estimate is $125 and is credited to your final bill if you hire us.

The Guarantee And The Next Step

Keep Dry’s 26-year transferable guarantee applies to foundation waterproofing and foundation crack repair. Review our foundation waterproofing and foundation crack repair services to learn more.

Professional foundation repair should leave you with a clear understanding of the work, the schedule, and what happens next. Keep Dry serves Sudbury and surrounding areas with dependable solutions, quality work, and clear communication.

Ready to get a clear plan for your home? Book your estimate.