Guide to Fixing and Preventing Basement Wall Cracks
Basement Wall Crack & Foundation Repair
“How do you fix a basement wall crack?” is a generic question we at Abarent are asked all of the time. Repairing basement wall cracks should be something that is done after the cause of the concrete cracks is determined. There are a few important questions you need to ask yourself: Is there settlement? Is there structural movement? Are lateral loads too great for the foundation wall? Is this a simple foundation leak issue? What needs to be understood is that a basement wall crack is usually a bigger problem – a problem with the foundation of your house.
If a foundation repair is done, without fully understanding the issues present, you may not be solving the problem. No one likes spending money on a foundation repair, but if your spending money repairing basement wall cracks, get it done right the first time.
Have a qualified professional that is experienced with both structural and water issues related to foundation repair investigate your problem. At Abarent, we have a very informative area on our website that may help you understand the foundation repair world, and assist you in making a decision on which direction to go with for your basement repair project. To get a better idea of what to expect, check out our articles below:
Identifying Different Types of Basement Wall Cracks
Basement wall cracks come in various forms, each indicating different problems. Vertical cracks often result from normal settling. Horizontal cracks may signal serious structural issues. Diagonal cracks could indicate uneven settling. Stair-step cracks in brick or concrete block walls might suggest foundation problems. Recognizing these different types of foundation cracks is crucial for proper diagnosis and repair.
Tools and Materials for DIY Crack Repair
For minor cracks, homeowners can attempt DIY repairs. Essential tools include a wire brush, chisel, and safety goggles. Materials needed are hydraulic cement, epoxy injection kits, or polyurethane foam. A caulking gun is necessary for applying sealants. Protective gear like gloves and a dust mask is important. Always ensure proper ventilation when using chemical sealants.
Step-by-Step Guide to Fixing Hairline Cracks
Start by cleaning the crack with a wire brush to remove loose debris. Widen the crack slightly with a chisel for better sealant adhesion. Apply hydraulic cement to the crack, pressing firmly. Smooth the surface with a putty knife. Allow the cement to cure fully. Apply a waterproof sealant over the repaired area for extra protection against moisture.
When to Use Epoxy Injection for Crack Repair
Epoxy injection is ideal for cracks wider than 1/8 inch. Clean the crack thoroughly before application. Install injection ports along the crack. Seal the surface of the crack with epoxy paste. Inject the epoxy from bottom to top. Allow the epoxy to cure fully. Remove the injection ports and sand the surface smooth.
Understanding the Role of Exterior Waterproofing
Exterior waterproofing involves excavating around the foundation. Apply a waterproof membrane to the exterior wall surface. Install a drainage board to direct water away. Properly grade the soil around the foundation. Consider a comprehensive basement waterproofing system for severe cases. This method addresses the root cause of many basement cracks.
Importance of Proper Drainage for Crack Prevention
Ensure gutters and downspouts direct water away from the foundation. Install a French drain system around the house perimeter. Grade the landscaping to slope away from the foundation. Consider installing a sump pump for areas with high water tables. Proper weeping tile installation can significantly reduce hydrostatic pressure on foundation walls.
Monitoring and Documenting Basement Wall Cracks
Regularly inspect your basement walls for new or expanding cracks. Mark the ends of existing cracks and date them. Take clear, well-lit photos of cracks for comparison over time. Keep a log of any changes in crack size or appearance. This documentation can be crucial for professional assessment and insurance purposes.
Professional Repair Methods for Severe Cracks
For severe cracks, professionals may use carbon fiber reinforcement strips. Steel reinforcement plates can be installed for extensive structural damage. Underpinning may be necessary for foundation settlement issues. Professional foundation repair techniques often provide long-lasting solutions for serious wall cracks. Always consult with a structural engineer for severe cases.