Can Small Cracks in My Basement Walls Get Worse?
- A Better Choice Inc.
- 4 days ago
- 3 min read
It’s easy to dismiss a small crack in your basement wall as harmless, but over time, even the smallest fissure can lead to serious foundation problems. For homeowners in Greensburg, PA, where soil movement, temperature changes, and rainfall are constant challenges, these cracks can worsen faster than you might expect.
Knowing what causes basement cracks and when to call a professional can help you prevent costly repairs down the road.

What Causes Cracks in Basement Walls?
Basement cracks typically develop when the soil around your foundation shifts or expands. This movement puts stress on concrete walls, leading to small fractures that may start as barely visible lines. Over time, several factors can make these cracks worse:
Hydrostatic pressure: When rainwater saturates the soil, it pushes against your foundation walls, forcing cracks to widen.
Freeze-thaw cycles: In Pennsylvania’s climate, water seeps into small cracks, freezes, and expands during colder months, making the cracks larger over time.
Poor drainage: Clogged gutters, short downspouts, or improper yard grading allow water to pool near your foundation, adding more pressure.
Settling soil: As the ground beneath your home shifts, your foundation can settle unevenly, leading to new cracks or worsening existing ones.
Why Small Cracks Can Become a Big Problem
1. Water Seepage and Basement Leaks
Even a hairline crack can let moisture in. When water seeps through, it not only creates dampness but also invites mold growth and musty odors. Over time, this can damage insulation, flooring, and drywall.
2. Structural Weakness
While some cracks are surface-level, others signal deeper foundation stress. If cracks start widening, spreading, or forming in a stair-step pattern, it may indicate that your foundation is shifting.
3. Mold and Mildew Growth
Moisture entering through cracks creates the perfect environment for mold. Once mold spores spread, they can affect indoor air quality and lead to respiratory issues.
4. Decreased Home Value
Visible cracks can make your home harder to sell. Buyers view foundation issues as red flags, often demanding repairs or lowering their offer price. Addressing cracks early helps maintain your home’s value and structural integrity.
How to Tell If a Crack Is Getting Worse
You can monitor small cracks by marking their ends with a pencil and checking them every few months. Warning signs that your crack is expanding include:
Cracks widening or lengthening
New cracks are forming nearby
Water stains or damp patches
Bowing or bulging basement walls
If you notice any of these changes, it’s time to call a professional for an inspection.
Professional Solutions for Basement Cracks
Repair specialists like A Better Choice Inc. can assess whether a crack is cosmetic or structural. Depending on the severity, they may recommend:
Epoxy or polyurethane injections to seal active cracks and prevent leaks.
Carbon fiber reinforcement to stabilize walls showing signs of movement.
Waterproofing systems to relieve soil pressure and prevent future cracking.
Drainage improvements to direct water away from your foundation.
Addressing the issue early not only prevents bigger problems but also protects your investment long-term.
Call for a Free Inspection Today
If you’ve spotted small cracks in your basement walls, don’t wait for them to get worse. Call 1-800-343-2357 or fill out the online form to schedule a free inspection with A Better Choice Inc. Our team proudly serves Greensburg, Pittsburgh, and nearby communities with trusted foundation repair and waterproofing solutions.

