How Durable Is Polyurethane Concrete Raising? A Deep Dive into Strength, Water Resistance, and Longevity
When choosing a method for lifting and leveling sunken concrete, durability matters as much as cost and speed. At Acme Concrete Raising & Repair, we use high-density polyurethane foam because it delivers unmatched long-term performance, proven not just by our results, but by the trust it’s earned from engineering firms, municipalities, and Departments of Transportation […]
Compressive Strength in Concrete Lifting: Why It Matters and Why “Higher PSI” Isn’t Always Better

Introduction: Why Compressive Strength Matters in Concrete Lifting When it comes to lifting and leveling sunken concrete (like driveways, sidewalks, or highway slabs), compressive strength is often a hot topic. Contractors might boast about ultra high PSI numbers for their lifting material, implying that a higher compressive strength means a better or longer-lasting fix. In […]
POLYURETHANE FOAM CONCRETE RAISING VS MUDJACKING IN 2025
About Acme Concrete Raising & Repair Acme Concrete Raising & Repair (Acme) is Chicagoland’s original polyurethane injection specialist. Utilizing various polyurethanes, we raise and stabilize concrete and address complex problems in subsurface geology. Known for advanced solutions and using the highest-quality specialized materials and equipment, we’re the go-to company for engineering firms, commercial property owners, […]
POLYURETHANE: Engineered to Outperform Mudjacking
High-Density Polyurethane Foams Have Been Around A Long Time Contrary to many peoples beliefs, the method of raising sunken concrete with polyurethane is not a new technique. Regardless of the terminology used: “Polyjacking”, “Foamjacking”, or “Polyurethane Concrete Raising”, it’s been in use since the 1980’s. In fact, the method of raising and supporting concrete with foam […]
Raising and Supporting a Hot Tub Slab
Long-Lasting Concrete Support for Hot Tub Slabs Acme Concrete Raising & Repair uses strong, water-resistant, polyurethane foam materials to raise and support cement slabs for hot tubs for homeowners in the Northwest Chicago suburbs. Contracted by one Barrington, IL homeowner, Acme Concrete used their proven polyurethane Smart Lift System to lift and support a concrete […]
Concrete Lifting Foam Strength
How does Concrete Lifting Foam Compare to Mudjacking? Sometimes we receive questions or comments (mostly originating from mudjacking companies) regarding the polyurethane foam used for raising concrete. Some people asked how polyurethane foam compares to mudjacking. If a mudjacking contractor tells you polyurethane is “not strong enough”, too weak, or too mushy to be effective […]