Foundation Repair & Basement Waterproofing in Adair County, Iowa

Name: JLB Basement Waterproofing & Foundation Repair
Address: 97 Indiana Ave Suite #1, Des Moines, IA, 50314, US
Telephone: (515) 717-8560
Price range: $$

Established in 1851 and named for War of 1812 general John Adair, this west-central Iowa county sits on the deeply dissected Southern Iowa Drift Plain — and JLB brings foundation repair and basement waterproofing to homeowners across Adair County, Iowa.

4.9(100+ reviews)

11+ Years in Business

Locally Owned & Operated

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Des Moines
(515) 717-8560

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Get a precise analysis of your foundation and waterproofing situation, and a clear estimate on what any fixes or corrections might cost.

4.9★ (100+ reviews) · 11+ Years · Transferable Warranty

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4.9(100+ reviews)

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Serving Adair County

Foundation Repair & Basement Waterproofing Across Adair County, Iowa

JLB serves the roughly 7,500 residents of Adair County with foundation repair and basement waterproofing from the county seat of Greenfield to the town of Adair along Interstate 80. The county's loess-over-Pre-Illinoian-till ground and rolling, eroded terrain put real stress on home foundations, basement walls, and exterior slabs. Whether you own an older farmhouse near Greenfield or a home in Adair, our crews diagnose the problem first and fix it for good.

Towns we serve in Adair County: Adair.

Foundation & Waterproofing

Foundation Repair, Basement Waterproofing & Crawlspace Services in Adair County, Iowa

One local crew handles the whole structural side in Adair County — piering, waterproofing, crawlspace encapsulation, drainage, and wall replacement. Here's how we fix each:

Steel push pier foundation stabilization in Adair County, Iowa

Foundation Repair in Adair County

Foundation movement is a recurring story across Adair County because the loess and clay-heavy till beneath local homes expands with every wet season and contracts during dry stretches, prying foundations out of alignment over time. JLB stabilizes settling and shifting foundations in Greenfield, Adair, and the surrounding farmsteads with steel push piers and helical piers driven to stable load-bearing strata. We start with a free inspection that pinpoints whether you're dealing with settlement, lateral pressure, or both before recommending a fix.

Steel push piers and helical piers driven to stable load-bearing soil
Wall anchors and carbon-fiber straps for bowing or cracked walls
Engineered, permanent fixes — not surface patches
Transferable warranty and a free, no-pressure inspection

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Basement Waterproofing in Adair County

Basement water is one of the most frequent calls we get in Adair County, where rolling, eroded terrain funnels rain and snowmelt straight toward older homes around Greenfield and Adair. JLB stops the intrusion with interior drain tile, sump pump systems, and wall sealing designed to handle the clay soils and high runoff typical of the Southern Iowa Drift Plain. A dry basement protects both your stored belongings and the structural integrity of the foundation walls above the water table.

Interior drain tile and sump systems sized for Iowa’s water table
Crack injection and wall-to-floor joint sealing
Vapor barriers and dehumidification to stop musty air and mold
Keeps the lower level permanently dry, backed in writing

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Crawlspace encapsulation with vapor-barrier liner in Adair County, Iowa

Crawlspace Encapsulation in Adair County

Crawlspaces under Adair County homes trap the humidity that rises off damp clay ground, and that moisture breeds mold, rot, and musty air that drifts up into the living space. JLB seals these spaces completely — and our signature approach spray foams BOTH the crawlspace and the basement for twice the protection at a lower cost than competitors who only treat one. The result for a Greenfield or Adair homeowner is a drier home, lower energy bills, and protected framing.

Spray-foams BOTH the crawlspace AND the basement — twice the protection
Sealed vapor-barrier liner over floor and walls
Cuts humidity, mold, and energy loss from the stack effect
Done for less than competitors who seal only one or the other

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French drain trench with gravel and drain pipe in Adair County, Iowa

French Drains & Drainage in Adair County

Because so much of Adair County sits on sloping ground that sheds water toward house foundations, surface and subsurface drainage failures are a leading cause of wet basements here. JLB installs French drains, regrading, downspout extensions, and buried drain pipe that intercept water before it reaches your home and carry it safely away. Getting water management right outside is often the difference between a permanently dry basement and one that floods every spring in towns like Greenfield and Adair.

French drains, regrading, and buried downspout extensions
Redirects surface and groundwater away from the foundation
Relieves the hydrostatic pressure that cracks walls and floors
Built for Iowa freeze-thaw and heavy spring snowmelt

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Foundation Wall Replacement in Adair County

When a basement or foundation wall in an older Adair County home has bowed, cracked, or crumbled past the point of stabilization, repair alone won't restore it — the wall has to come out. JLB removes and rebuilds failing foundation walls on aging farmhouses and homes around Greenfield with properly engineered, code-compliant replacements. We address the drainage and soil pressure that caused the failure at the same time so the new wall doesn't repeat the old wall's history.