Foundation Repair Services St. Louis
Stop Foundation Problems At Their Roots
Foundation Warning Signs to Know, And Our Fixes
Cracks in Walls or Floors
What You Notice:
- Diagonal or horizontal cracks on interior/exterior walls.
- Cracks in the basement floors or near windows and doors.
What’s Happening:
Your foundation is settling unevenly or experiencing pressure from shifting soil or excess water.
Our Fix:
We seal and stabilize cracks with high-strength polyurethane or epoxy. If the issue runs deeper, we install steel or helical piers to re-level the structure. To keep surfaces safe and looking their best, we also offer floor repair and joint protection for long-term durability.
Uneven or Sloping Floors
What You Notice:
- Floors feel bouncy, slanted, or uneven underfoot.
- Furniture leans or doors swing open on their own.
What’s Happening:
Your foundation has shifted or settled in specific spots due to weak soil, poor drainage, or erosion.
Our Fix:
We know that a small slope in your living room floor can signal foundation trouble. Using methods like polyurethane foam injection or slab jacking, we raise and level the concrete back into place. For crawl space homes, we reinforce beams, add pier blocks, and restore your floor’s strength.
Sticking Doors & Windows
What You Notice:
Doors or windows that suddenly won’t open or close smoothly.
Gaps forming around the frames.
What’s Happening:
Your foundation has moved, twisting the structure and causing misalignment.
Our Fix:
We use sturdy piers or wall anchors to lock the foundation in place and prevent further movement, then level the affected areas so doors, windows, and frames fit as they should.
Bowing or Bulging Basement Walls
What You Notice:
- Basement or crawl space walls appear to be curving inward.
- Cracks running horizontally or stair-stepping down block walls.
What’s Happening:
Hydrostatic pressure (water-soaked soil pressing against the walls) or structural fatigue is pushing your walls inward.
Our Fix:
We install wall anchors, carbon fiber strips, or steel I-beams to strengthen and stabilize foundation walls, stopping further bowing and protecting your property from structural damage.
Water Intrusion Near Foundation
What You Notice:
- Moisture around the basement walls.
- Pooling water near the base of your home after rain.
- Musty smells and mold growth.
What’s Happening:
Poor drainage or hairline cracks in your foundation are allowing water to seep through.
Our Fix:
We seal every crack, add perimeter drainage systems, install solid sump pumps, and apply waterproof membranes, all together to channel water away and keep your basement waterproofing consistently dry and protected
Foundation Settling or Sinking
What You Notice:
- One side of the home appears lower than the other.
- Visible sinking or gaps between walls and floors
What’s Happening:
Your foundation has lost support due to soil erosion, poor compaction, or water washout.
Our Fix:
We install steel push piers or helical piers deep into stable, load-bearing soil to lift and re-level your foundation, restoring its original position and ensuring lasting structural stability.
The STL Way: Our 3 Steps to Your Stronger Foundation
We don’t just fix concrete, we future-proof your property!
Step 1:
Free Foundation Inspection
Step 2:
Custom Repair Plan
Step 3:
Fast, Worry-Free Repairs
Your Property’s Stability is Measured in Inches!
Build on Strength, Not Uncertainty
Avoid Massive
Repair Bills
Protect Your Property’s
Structural Integrity
Stop Damage Before
It Spreads
Preserve Your
Property’s Value
Ensure a Safer,
Healthier Building
Fixing Damage. Fortifying Trust.Delivering Quality.
- 20+ Years of Expertise.
- Fast, Non-Invasive Repairs.
- Basement, Crawl Space & Slab Solutions.
- Honest, Upfront Pricing.
- Advanced Tech + Skilled Craftsmanship.
- Strong Warranty Protection.
It Starts Small, But It Can Cost You Big.
Flexible Financing That Works for You
- Financing available for all credit types.
- Friendly support throughout the process.
- Help keep your property’s value strong.
- Custom payment plans made for foundation repairs.
Ready To Protect Your Property?
Frequently Asked Questions
Look for common signs like cracks in walls or floors, doors and windows that stick or don’t close properly, uneven floors, or gaps between walls and ceilings. If you notice any of these, it’s best to get a professional inspection promptly.
Foundation issues often come from soil movement, poor drainage, or water damage. As a trusted foundation repair company in St. Louis, we diagnose the root cause and apply customized solutions, such as pier installation, waterproofing, or slab leveling, to effectively repair and prevent future problems.
Foundation repair solutions are designed to be efficient yet thorough. Most repairs are completed within a few days to a couple of weeks, depending on the project’s scope, so normal use can resume quickly with confidence in the quality of the work.
Yes, we offer flexible financing plans that go with your budget. This makes it easier to start necessary repairs without delay, ensuring you get reliable St. Louis foundation repair services now and pay over time.
We provide inspections and transparent estimates upfront. As a leading foundation repair company in St. Louis, we prioritize clear communication so you understand the scope and cost before any work begins.
Get a free on-site estimation
STL PolyJack
6853 OLIVE BLVD,
ST. LOUIS, MO 63130
Operations
575 RUDDER ROAD,
SUITE 101-104,
FENTON, MO 63026
STL Polyjack is continuously monitoring the guidelines provided by the CDC, the World Health Organization, Federal, State, and Local governments. While we navigate through these unprecedented times, our customers remain our highest priority. STL Polyjack will remain open to serve its customers, as we have been considered an essential business by St. Louis County, MO, and are committed to maintaining the highest standards of safety measures
FREE Video - Estimation
STL Polyjack management has implemented extensive safety measures for our technicians and customers. We are currently offering FREE video estimation for our customers, all you need is a good cell phone with good internet connectivity. While filling the form, simply ask for video estimation and we will call you to schedule an appointment.