Discovering cracks in your foundation can be a distressing sign for any homeowner. While some cracks can be harmless, others may indicate serious structural issues that require immediate attention. Understanding what different types of foundation cracks mean and when they signal the need for repairs are essential for maintaining the integrity and safety of your home. DuraTech Texas would like to share different types of cracks and when you may need professional repairs.

Types of Foundation Cracks

• Hairline Cracks: These are thin cracks that may appear new in concrete foundations and are often no wider than a few millimeters. Hairline cracks are usually caused by the natural curing process of concrete and are typically not a sign of structural concern.
• Vertical Cracks: Vertical cracks run up and down and are somewhat more concerning than hairline cracks. They can be caused by the settlement of the soil under your foundation. Most vertical cracks do not indicate serious structural issues if they are narrow (less than 1/8 inch wide).
• Horizontal Cracks: Horizontal cracks in your foundation are more serious and can indicate that your foundation is experiencing significant lateral pressure from the soil outside. This type of crack is more common in areas with expansive clay soils and can pose a serious threat to the structural integrity of your home.
• Stair-Step Cracks: These cracks appear in masonry joints of concrete block or brick foundations and look like stair steps. Stair-step cracks may suggest foundation settlement or heaving and can be a sign of serious structural problems, especially if the cracks are wide or the wall is bulging.

Causes of Foundation Cracks

• Settlement & Soil Shrinkage: Over time, the soil beneath your home may settle or shrink away from your foundation, especially if it’s dry for extended periods.
• Hydrostatic Pressure: Excessive moisture in the soil around your home can lead to hydrostatic pressure, which pushes against the foundation and can cause cracks.
• Improperly Cured Concrete: If your foundation was not mixed or cured correctly, it might be more susceptible to cracking.
• Extreme Temperature Fluctuations: Frequent changes in temperature can cause the materials in your foundation to expand and contract, eventually leading to cracks.

Do You Need Foundation Repairs?

Deciding whether to repair foundation cracks depends on the type, location, and severity of the cracks:
• Minor Cracks: For hairline or minor vertical cracks, monitor them over time for changes. These often do not require immediate repair but can be sealed to prevent water seepage.
• Moderate Cracks: Vertical cracks wider than 1/8 inch should be sealed to prevent moisture from entering and to keep them from expanding. Regular monitoring is essential.
• Major Cracks: Horizontal or stair-step cracks usually require immediate professional assessment and repair. These types of cracks indicate substantial structural issues that can worsen quickly.

Foundation Inspection & Repair Services in Crosby, Cypress, Friendswood & Greater Houston, Texas

Not all foundation cracks are cause for alarm, but they shouldn’t be ignored. Understanding the nature of the cracks in your foundation is the first step towards ensuring the longevity and safety of your home. When in doubt, consulting with a foundation repair specialist can provide peace of mind and ensure that any necessary repairs are carried out effectively. Regular inspections and maintenance go a long way in preventing serious foundation issues. For foundation inspection and repairs, contact DuraTech Texas today.