Basement Crack Repair

Key Takeaways

  • Basement Crack Repair Is Essential for Maintaining Structural Integrity and Preventing Water Infiltration, Mold Growth, and Further Damage
  • Our Basement Waterproofing Pittsburgh Team Uses Advanced Techniques and Materials to Repair Cracks in Basement Walls, Floors, and Foundations
  • Repairing Cracks in Basement Walls Involves Identifying the Cause, Preparing the Surface, and Selecting the Appropriate Repair Method Based on the Crack’s Severity and Type
  • Cracks in Basement Floors Can Be Repaired by Cleaning the Crack, Applying a Suitable Sealant or Filler Material, and Smoothing the Surface for a Seamless Finish
  • Foundation Crack Repair Is Critical for Preventing Water Infiltration, Soil Erosion, and Structural Issues, and Should Be Addressed Promptly by Experienced Professionals


Repairing cracks in basement walls requires a systematic approach to ensure a lasting solution. The process involves identifying the cause of the crack, preparing the surface, and selecting the appropriate repair method based on the severity and type of crack.

Common repair methods for basement wall cracks include:

  • Epoxy injection: Suitable for narrow, non-structural cracks
  • Hydraulic cement: Ideal for active leaks and wider cracks
  • Carbon fiber reinforcement: Used for structural cracks to strengthen the wall
  • Urethane foam injection: Effective for filling voids and stabilizing soil behind the wall

Properly repairing cracks in basement walls not only stops water infiltration but also prevents the cracks from widening over time. By addressing these issues promptly, homeowners can protect their basement from further damage and maintain a healthy, safe living environment.


Cracks in basement floors can be caused by settling, shrinkage, or pressure from below. These cracks can allow water and moisture to seep through, leading to potential water damage and mold growth. JPM Basement Waterproofing Pittsburgh offers effective solutions for repairing cracks in basement floors, ensuring a dry and stable surface.The repair process for basement floor cracks typically involves cleaning the crack, applying a suitable sealant or filler material, and smoothing the surface for a seamless finish. The choice of repair material depends on the width and depth of the crack, as well as the presence of any active leaks. By properly repairing cracks in basement floors, homeowners can prevent water infiltration and maintain the structural integrity of their foundation.


Repairing cracks in a basement foundation is a critical task that should be addressed promptly to prevent further damage and ensure the stability of the home. JPM Basement Waterproofing Pittsburgh employs experienced professionals who assess the severity of the crack and determine the most suitable repair method, such as epoxy injection, urethane foam injection, or carbon fiber reinforcement. By repairing foundation cracks, homeowners can prevent water infiltration, soil erosion, and structural issues that could compromise the safety of their home. JPM Basement Waterproofing Pittsburgh offers comprehensive foundation crack repair services, delivering long-lasting solutions that restore the integrity of the basement foundation and provide peace of mind for homeowners.

Frequently Asked Questions

The most common causes of basement wall cracks include foundation settlement, hydrostatic pressure from poor drainage, and soil expansion due to moisture. Other factors such as improper construction, tree roots, and earthquakes can also contribute to the development of cracks in basement walls.

The severity of a basement crack depends on several factors, such as its width, depth, location, and whether it’s actively leaking water. If a crack is wider than 1/8 inch, extends through the entire thickness of the foundation wall, or is accompanied by signs of water infiltration, it may indicate a serious structural issue that requires professional attention.

Homeowners can assess the seriousness of a basement crack by considering the following:

Width: Cracks wider than 1/8 inch are generally considered more serious.

Depth: Cracks that extend through the entire thickness of the foundation wall are more concerning than surface-level cracks.

Location: Cracks near the corners of the foundation or those that run horizontally are often more problematic than vertical cracks.

Water infiltration: If the crack is actively leaking water or shows signs of past water infiltration, such as staining or efflorescence, it may indicate a significant issue.

If a homeowner suspects that a basement crack is serious, they should contact a professional foundation repair contractor for a thorough evaluation. A skilled contractor can assess the severity of the crack, determine its underlying cause, and recommend the most appropriate repair method to ensure the long-term stability and waterproofing of the foundation.

The most common methods used to repair basement cracks include injecting the cracks with epoxy or polyurethane, sealing the cracks with hydraulic cement, and applying a waterproof sealant to the walls. In some cases, more extensive repairs may be necessary, such as installing a French drain system or excavating and waterproofing the exterior of the foundation walls.

The cost to repair a basement crack can vary depending on the severity and length of the crack, as well as the method of repair chosen. On average, homeowners can expect to pay between $250 to $800 for professional basement crack repair services.

While small, hairline cracks in basement walls can often be repaired by homeowners using DIY methods, larger or more severe cracks may indicate structural issues that require professional assessment and repair. If the crack is more than 1/8 inch wide, runs horizontally, or is accompanied by bowing walls or water infiltration, it’s best to consult a professional basement waterproofing and foundation repair contractor to ensure the problem is properly addressed.

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