The Problem
The owners of a home in Central Grayslake had a front walkway and entry steps poured around 2010 that had deteriorated faster than expected. The walkway had settled unevenly at two points, creating step-down lips between sections that were becoming a trip hazard. Surface scaling had removed the top 1/8 to 3/16 inch of paste from most of the slab, leaving an aggregate-exposed finish that collected water and drove further freeze-thaw damage.
The entry steps were in worse condition. The nose of the top step had broken off cleanly, and deep surface cracks had allowed water into the step body. That water froze and widened the cracks over successive winters. Surface patching was not viable - the internal crack network meant any overlay would delaminate within a season or two.
Voids visible at the slab edge confirmed the sub-base had settled under both sections of walkway.
Our Solution
We demolished the walkway slabs and steps with a small jackhammer and removed all debris. The sub-base was excavated to uniform depth, regraded, and compacted. Soft spots were filled with compacted gravel rather than left for the concrete to bridge.
The new walkway was formed in three sections with control joints placed every 4.5 feet and at the section breaks. The mix was 4,000 PSI air-entrained concrete at a target 6 percent air content, the correct specification for Illinois exterior flatwork. Slump was held without adding water at the truck - a common shortcut that reduces finished slab strength. After floating, the surface received a broom finish and joints were tooled in the plastic state.
The steps were formed with steel-edged forms for clean, consistent riser faces and a 1/8-inch-per-foot tread pitch draining water away from the door threshold. Tread edges were finished with a step tool to produce a slight radius that resists chipping better than a sharp arris.
The Result
The walkway is flat across all three sections with no lips at control joint locations. The steps align squarely with the threshold landing. The broom finish and tread pitch drain water clear at the step faces. Control joints give the slab directed break lines for seasonal movement rather than random mid-slab cracking.
Related: Concrete Services | Grayslake Service Area
