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Stop Water At The Source Corrective Grading That Works

Water in your basement? Corrective grading solves water intrusion at the source. Free inspection in the Twin Cities.

Licensed MN# BC766890
Angi Super Service Winner
20+ Years Experience
Local & Family Owned

The Cascade Effect of Poor Grading

Water always takes the path of least resistance. If the soil around your home slopes toward your foundation, or if your gutters discharge too close to the house, water will pool against your foundation walls.

This creates immense hydrostatic pressure, leading to:

  • Water seeping through microscopic cracks into your basement
  • Bowing and leaning foundation walls
  • Mold, mildew, and ruined finished basements
  • Overworked sump pumps
Water pooling near a foundation requiring corrective grading

The Anatomy of a Dry Foundation

Positive Slope Requirements

The golden rule of grading is a positive slope. The ground must drop at least 6 inches within the first 10 feet away from your foundation. We use dense, clay-heavy soil to build this slope so water runs off rather than soaking in.

Window Well Best Practices

Window wells are common entry points for water. We ensure they are properly dug out, filled with free-draining rock, and raised above the corrected grade line to prevent flooding.

Our Grading Process

1

Inspect

Identify low spots and poor drainage paths.

2

Identify Cause

Check gutters, downspouts, and existing soil.

3

Correct Grade

Add compacted, impermeable soil to create slope.

4

Install Systems

Add drain tile or catch basins if necessary.

Request Your Free Inspection

Let us evaluate your grading and keep your basement dry.

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Corrective Grading FAQ

How much does corrective grading cost?
Corrective grading costs vary based on the amount of soil needed, accessibility, and whether landscaping or hardscaping needs to be removed. It is generally one of the most cost-effective ways to prevent major foundation damage.
How long does the process take?
Most corrective grading projects are completed in 1 to 2 days, depending on the size of the property.
Does corrective grading work in clay soil?
Yes, we use specific soil mixtures (often clay-heavy) against the foundation to create an impermeable barrier that sheds water away, rather than absorbing it.
Is this covered by homeowners insurance?
Typically, preventative maintenance like grading is not covered by insurance. However, it is an investment that prevents much more costly, uninsured water damage down the road.
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