Case Studies

Matvey Foundation Repair Case Studies: Concrete Lifting & Leveling in Lynnwood, WA

Tuesday, June 6th, 2017 by Matthew Cote

Challenge

Matvey Construction was on site to investigate a sinking sidewalk slab. Over time soil settles under slabs due to flowing water that passes through cracks and joints in the concrete. Water then washes the soil out as it passes through. 

Solution

Matvey Construction’s approach to repairing the sinking sidewalk was to use our PolyLevel system. Rather than using a mixture of concrete and mud, PolyLevel is a high capacity, lightweight filler that is injected as a liquid and dry's and hardens as a durable foam. A small penny sized hole was drilled into the sidewalk where settlement existed, polyurethane was then injected into the holes to lift the slab back to the original placement. After the void was filled, the expanding properties of the polyurethane allowed for an accurate lift and leveling of the slab. The small holes were grouted and the slab was completely restored. 

About the author
Mat Cote is a third generation contractor who started Matvey Construction in 1999. He enjoys challenges inherent in designing structural solutions for buildings and homes.

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Matvey Foundation Repair
1912 S 146th St
Seattle, WA 98168
1-206-538-6142