Side-by-side before and after photo of concrete sidewalk void fill in Silver Heights, St. James, Winnipeg – showing large void beneath sidewalk and fully stabilized walkway after polyurethane foam injection.

Concrete Sidewalk Void Fill – Before & After at Silver Heights Condo, St. James, Winnipeg

Introduction

Our expert team filled a large 5–6 inch void beneath a condo sidewalk in Silver Heights, St. James, Winnipeg using polyurethane foam injection—restoring stability, safety, and protecting the property for years to come.

Before:

At a Silver Heights condo in St. James, Winnipeg, we discovered a significant 5–6 inch void beneath the sidewalk—creating a risk of settlement and surface failure for the resident.

Concrete sidewalk with large void before foam injection fill in silver heights, st. James, winnipeg.

Project Objectives:

Leveraging specialized polyurethane foam injection, we filled the underground gaps using small, precise 5/8 inch-diameter ports. Our patching material provided a seamless match to the original concrete.

Concrete sidewalk during polyurethane foam injection to fill large void and stabilize subbase in silver heights, st. James, winnipeg.

This property exhibited unique soil instability. Our foam permeated deep into the aggregates, bonding loose materials and stabilizing the area for long-term security. We backed our work with a 10-year warranty to ensure ongoing peace of mind.

Results:

  1. Voids completely filled
  2. Slab and sub-base stabilized
  3. Safe, even sidewalk restored
  4. 10-year warranty included

Restored concrete sidewalk with subbase stabilized after foam injection void fill in silver heights, st. James, winnipeg.

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