Concrete Repair & Replacement

Cracked, sunken, or uneven concrete creates safety hazards, degrades curb appeal, and allows water intrusion to damage surrounding structures. At Alliance Inc., we specialize in both Concrete Lifting & Stabilization and complete Concrete Removal & Replacement for residential and commercial properties throughout Duluth and the surrounding North Shore area.

Because we offer both solutions, our approach is centered on giving property owners honest, expert evaluations. We examine the structural integrity of your concrete and underlying soil conditions to recommend the most effective, long-term option—whether that means preserving your existing slab to save time and money or completing a fresh, engineered pour.

Two Ways to Restore Your Concrete: Lifting vs. Full Replacement

Every concrete project presents unique challenges. Our goal is to provide the right service for your specific situation rather than forcing a one-size-fits-all contractor approach.

Option 1: Concrete Lifting & Stabilization (The Budget-Smart & Eco-Friendly Route)

If your concrete slab is structurally intact but has settled unevenly due to soil erosion or seasonal ground movement, complete removal is often unnecessary.

Ideal Applications: Sunken sidewalk slabs, uneven patio sections, sagging driveway approaches, and settled pool decks.

Lower Cost: Concrete lifting typically costs 30% to 50% less than full tear-out and replacement.

Environmentally Conscious: Preserving usable concrete prevents tons of solid construction waste from occupying regional landfills.

Minimal Property Disruption: Precision lifting takes hours rather than days, leaving surrounding landscaping intact with minimal downtime.

Option 2: Full Concrete Removal & Replacement (The Long-Term Solution)

When concrete has degraded past the point of safe repair, attempting to lift a crumbling, severely spalled, or micro-cracked slab is a temporary fix that will quickly fail under Lake Superior’s harsh freeze-thaw cycles. In these cases, a full replacement is the most practical long-term investment.

Ideal Applications: Severely fragmented driveways, crumbling garage aprons, scaling concrete steps, and custom stamped concrete upgrades.

Rebuilt Sub-Base: Old concrete is removed, and sub-surface soil is re-engineered and compacted to withstand local clay expansion and frost action.

Maximum Structural Capacity: Poured with high-PSI, air-entrained concrete to ensure maximum load strength for heavy vehicles, trailers, and garage floors.

Long-Term Durability: A professionally poured replacement slab provides decades of low-maintenance structural reliability.

Service Capabilities Across the Twin Ports

Whether lifting or replacing, Alliance Inc. provides complete concrete care tailored to Duluth’s unique climate and terrain:

Driveway Replacement & Stabilization: Restoring smooth, reinforced driveways built to endure heavy snowplows and road salt.

Sidewalk & Walkway Leveling: Eliminating dangerous trip hazards on residential walkways and commercial entryways.

Patio, Slab & Garage Floors: Expert pours and leveling services for garage floors, outdoor living spaces, and custom stamped concrete.

Why Concrete Fails in Northern Minnesota

Proper concrete restoration requires addressing the environmental root cause of settlement and cracking:

1. Freeze-Thaw Cycles: Water penetrates unsealed joints and freezes beneath the slab, creating pressure (frost heave). When spring arrives and ice melts, sub-surface voids are left behind, causing the slab to drop and crack.
2. Soil Erosion & Slope Runoff: Heavy rainfall on Duluth’s hillsides washes away uncompacted base soils, causing unlevel slabs and structural strain.

Addressing sub-base stability—either through high-density void filling or complete ground re-compaction—ensures your concrete stays flat for years to come.

Frequently Asked Questions

Is concrete lifting better for the environment?

Yes. Preserving and lifting intact concrete prevents tons of heavy construction waste from entering local landfills. It also reduces the carbon footprint associated with manufacturing, hauling, and pouring brand-new concrete when your existing slab still has years of service life remaining.

How do I know if my concrete can be lifted or if it needs complete replacement?

If your concrete is in large, solid pieces and the surface isn’t crumbling or flaking, it is generally a great candidate for concrete lifting. However, if the slab is fractured into many small fragments, scaling severely from salt damage, or structurally compromised, full replacement is the only reliable option. We conduct thorough site evaluations to give you a clear, honest recommendation.

How much can I save by choosing concrete lifting?

Concrete lifting typically saves 30% to 50% compared to a full tear-out and replacement because it requires less labor, no heavy demolition hauling, and fewer raw materials.

Will lifted concrete withstand local winter freeze-thaw cycles?

Yes, when performed by experienced local professionals. Specialized materials are injected underneath the slab to fill subterranean voids and lock out moisture. Without empty pockets beneath the slab for water to pool, winter freezing will not cause the same severe sinking and shifting.

How long does a new concrete driveway or slab last in Duluth?

A professionally poured concrete slab built on a properly compacted sub-base can easily last 30 years or more in Northern Minnesota. We engineer our pours specifically for local climate conditions using high-PSI concrete mixes and proper expansion joint spacing.

How soon can I use my driveway or sidewalk after service?

• Lifting: Walkway surfaces can be used immediately, while driveway surfaces are ready for vehicle traffic in just a few hours.
• Replacement: Foot traffic is safe after 24–48 hours, but passenger vehicles should remain off a newly poured concrete driveway for 7 to 10 days to allow full structural curing.

Schedule an On-Site Concrete Inspection

To determine whether concrete lifting or full replacement is the right choice for your driveway, walkway, or patio, contact the team at Alliance Inc. to schedule a consultation.

• Direct Line: 218-591-8039
• Service Area: Duluth, Hermantown, Cloquet, Proctor, Two Harbors and Superior, WI
• Licensing: Liceensed & Insured MN Residential Building Contractor (#BC797784)