Patio settling
Patios near slopes or river terraces can lose support when runoff follows the edge of a slab or drains through disturbed backfill.
Patio, sidewalk, and foundation settlement starts below the concrete. Poly Flow tests the soil and support conditions before recommending a repair.
Eagle includes Boise River lowlands, benches, and foothill-edge development.
River-adjacent areas can contain layered alluvium, while bench and foothill sites may include finer, denser, or clay-bearing soils. Graded hillside lots may also contain engineered fill.

Patios near slopes or river terraces can lose support when runoff follows the edge of a slab or drains through disturbed backfill.
Sidewalk settlement can appear around landscaped corridors, drainage swales, and transitions between native ground and subdivision fill.
Slope drainage and cut-and-fill construction can create uneven support, so foundation settlement should be separated from cosmetic slab movement before repair.
Regional geology provides context, but the repair decision depends on what is happening at the property. These are the questions that connect the local setting to an individual diagnosis.
Follow runoff from foothill slopes and landscaped swales before it reaches patios, walkways, and foundation edges.
Measure the affected Eagle slab against doors, walls, curbs, drains, and neighboring panels to distinguish settlement from an original slope.
Look for changes between river lowland, bench, hillside cut, and placed fill within the property.
Record wall cracks, binding doors or windows, floor slope, and separation at porches or stem walls. Structural symptoms should not be diagnosed from a nearby patio alone.
Poly Flow work documented in Eagle.
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…
Read the projectEagle includes Boise River lowlands, benches, and foothill-edge development. That local setting can affect where water travels, how fill consolidates, and whether settlement is limited to one slab or reaches deeper support. Poly Flow starts with testing, then recommends the service that addresses the measured condition.
For Eagle patios and sidewalks, lifting can restore settled slabs when the concrete is sound and the weak support is shallow enough to treat. Patios near slopes or river terraces can lose support when runoff follows the edge of a slab or drains through disturbed backfill.
Explore concrete liftingFoundation symptoms need a deeper evaluation than an uneven patio or walkway. In Eagle, slope drainage and cut-and-fill construction can create uneven support, so foundation settlement should be separated from cosmetic slab movement before repair.
Explore foundation repairOpen joints and cracks give runoff, snowmelt, or irrigation a path beneath residential concrete. Sealing appropriate openings can help protect repaired support from continuing water entry in Eagle.
Explore crack & joint sealingWhen testing finds deeper weak zones or voids, lifting the surface alone may not address the cause. River-adjacent areas can contain layered alluvium, while bench and foothill sites may include finer, denser, or clay-bearing soils. Graded hillside lots may also contain engineered fill.
Explore soil stabilizationA low patio edge, uneven sidewalk, or foundation symptom can have several causes. Poly Flow checks the site and measures the soil so the recommendation matches the depth of the problem.
Patios near slopes or river terraces can lose support when runoff follows the edge of a slab or drains through disturbed backfill. The condition can be highly localized, so the surrounding grade, downspouts, irrigation, and support beneath the slab should be checked before selecting a repair.
Sidewalk settlement can appear around landscaped corridors, drainage swales, and transitions between native ground and subdivision fill. If the panel is still structurally sound, polyurethane lifting may restore the elevation without demolition. Cracked or badly deteriorated concrete may need a different approach.
Eagle includes Boise River lowlands, benches, and foothill-edge development. Slope drainage and cut-and-fill construction can create uneven support, so foundation settlement should be separated from cosmetic slab movement before repair. Soil-resistance readings help distinguish a shallow slab problem from movement that reaches a footing or deeper support layer.
River-adjacent areas can contain layered alluvium, while bench and foothill sites may include finer, denser, or clay-bearing soils. Graded hillside lots may also contain engineered fill. A single property can include native soil, utility trenches, foundation backfill, imported base, and other disturbed material, so broad regional soil descriptions cannot replace on-site testing.
Sound patios and sidewalk panels may be candidates for concrete lifting. Open water paths may also need crack and joint sealing. Deeper weak soil can call for stabilization, while structural movement may require foundation repair. Poly Flow tests first so the recommendation matches the problem.
Estimates are free and done on site. We test the soil before we quote, so the price reflects the actual problem.