Case studies

Real repairs, measured and documented.

See how Poly Flow diagnosed the problem, chose the repair, and brought each project back to a durable result.

technicians working beside the concrete dam excavation (image 1)
Soil StabilizationMarsing, Idaho

Erosion Around a Concrete Dam

A homeowner built a concrete dam in a creek to create a pond for irrigation storage. During backfill, boulders and road mix were placed around the structure. Once the pond fi…

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grain-silo concrete crack and pressure-grouting work (image 1)
Crack and Joint SealingHomedale, Idaho

Grain Silo Waterproofing

Cracks at the base of grain bins were allowing water to enter the silo, causing grain rot and financial loss. Previous attempts using surface sealants and even spray foam coa…

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pump-house slab edge and exposed voided subbase (image 1)
Crack and Joint SealingEagle, Idaho

Cistron Water Leak Repair

This site presented two related issues. Water was leaking around the main pipe entering the cistern, escaping through concrete at the penetration. Over time, the leak caused…

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storage-unit pavement deep-injection work (image 1)
Soil StabilizationMeridian, Idaho

Deep Injection Storage Units

Even with strong geotechnical planning, localized conditions can vary outside test areas. At this site, certain zones showed settlement in asphalt drive lanes and near storag…

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shop-floor void inspection and measurement (image 1)
Soil StabilizationCascade, Idaho

Void Fill Under Shop Floor

Improper drainage and insufficient compaction caused erosion beneath a shop floor, creating voids in the sub-base. The underlying soils were also not ideal load-bearing mater…

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new home's heavy front porch and adjacent concrete (image 1)
Concrete LiftingStar, Idaho

Large and Heavy Front Porch

This is a common issue on new construction with basement foundations. After forming and pouring the basement walls, excavation spoils are backfilled against the foundation. I…

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bridge-abutment rebar and subgrade injection work (image 1)
Soil StabilizationBoise – Fair Grounds, Idaho

Boise Parks Bridge Abutment

After the bridge abutment excavation, compacted road mix dried out and developed cracks and fissures. The rebar structure had already been built on top of the fill before the…

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house foundation excavation and push-pier work (image 1)
Foundation RepairHorseshoe Bend, Idaho

Foundation Repair

A newly constructed home settled about one inch at the front within a couple of years, leading to drywall cracking and doors that would not open or close properly. During the…

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basement-addition excavation and chemical-shoring work (image 1)
Soil StabilizationDowntown Boise, Idaho

Chemical Shoring Basement Build

During a renovation and addition project, excavation soils were not holding shape and were sloughing into the dig. Unstable excavation walls create serious safety risks for c…

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settled front porch at remodeled home (image 1)
Concrete LiftingNorthend Boise, Idaho

Heavy Front Porch Lift

During a remodel, a basement was added beneath an existing home. To create the basement footprint, the soils around the house were excavated and later backfilled without bein…

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