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Basement lowering, also known as Underpinning, is a structural process that allows homeowners to increase the height of their basement while strengthening the existing foundation.

At StoneLine Foundation Repair, we specialize in professional basement lowering services throughout 

Washington DC, Maryland, and Northern Virginia. Our team carefully excavates below the existing foundation and reinforces it in sections, allowing and providing additional ceiling height and usable living space.

This process not only creates a more comfortable and functional basement but also improves the structural stability of the home.

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​Many older homes in the DMV are have basements with limited ceiling height. Basement lowering may be the right solution if:

• Your basement ceiling is too low to finish or use comfortably

• You want to concert your basement into living space

• The home requires structural foundation reinforcement

• You are planning a basement renovation or apartment conversion

Our team will evaluate the structure and determine the safest and most effective approach for your property.

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StoneLine follows a careful and controlled underpinning process to ensure structural safety at every stage:

1. Foundation Inspection- We evaluate the structure and soil conditions.

2. Section Excavation- Small sections under the foundation are excavated.

3. Concrete Reinforcement- New concrete footing are installed to support the structure.

4. Basement Floor Lowering- The basement floor is lowered to the desired height.

5. Final Structural Stabilization- The foundation is fully reinforced and stabilized.

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This method allows the home to remain Structurally supported throughout the entire project

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If you are considering basement lowering or underpinning, contact StoneLine Foundation Repair today to schedule a free inspection and discuss the best structural solution for your home.

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