ADA Ramps & Compliance in Ames, Iowa Built to Survive Every Freeze-Thaw Cycle a Winter Throws
Reinforced, air-entrained concrete ramps built step by step to ADA slope and landing code, poured by one JLB crew across Ames.
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ADA Concrete Ramps in Ames, Iowa, Built to Take 100-120 Freeze-Thaw Cycles
A JLB ADA ramp comes together in a clear sequence, and each step protects the one after it. We start by surveying the run and the rise, then dig and pour footings below the 42-inch frost line, compact the base, set the reinforcement, screed the slab to a 1:12 slope, and broom-finish the surface for grip. The reason we don't rush any step is the 100 to 120 freeze-thaw cycles each central-Iowa winter brings, which will find any shortcut and turn it into a scaled surface or a heaved corner.
Ames sits where the Skunk River meets Squaw Creek. That confluence keeps the water table high and the till saturated, so the ground stays damp and pushes against anything set in it. We account for that from the first footing, dropping the load below the active frost zone and detailing drainage so the finished ramp doesn't sit in standing water.
ADA Concrete Ramps JLB Pours in Ames
Code-compliant concrete ramps — precise slope, level landings, and handrails, with footings set below the frost line.
The footing step comes first for a reason
Everything compliant depends on a stable footing.
If the base of the ramp heaves, the slope drifts and the landings tilt, and the whole thing fails inspection. JLB pours footings below 42 inches so they bear on soil that doesn't cycle through freeze and thaw, which locks in the geometry the rest of the build relies on.
Base compaction keeps the slab flat.
Between the footings, the ramp slab needs a compacted, graded base so it bears evenly and doesn't crack over a soft spot. We prep that base before any concrete is placed, the same discipline behind flat, sound flatwork anywhere in Ames.
The mix and finish handle the river-fed climate
The river bottoms make freeze-thaw worse.
Around the Skunk River and Squaw Creek bottoms, the saturated ground feeds more moisture into the concrete's surface, which is exactly what 100 to 120 freeze-thaw cycles attack. JLB pours the deck with 5 to 7 percent entrained air, the ACI range for freeze-thaw flatwork, so freezing water has room to expand instead of spalling the surface.
Slope and landings get measured, not estimated.
A compliant ramp holds 1:12 or flatter with level 60-inch landings at the top, bottom, and every turn. We check those tolerances with a level before the concrete sets, because a ramp out of slope is a ramp out of compliance.
One in-house crew through the whole sequence
The same JLB crew runs every step.
Survey, footings, base, steel, pour, finish, all handled by one team with no subcontractor handoffs where a tolerance slips. You work with one crew from the free site walk through the day the forms come off.
Footings first, base compacted, air-entrained deck broom-finished — a JLB ADA ramp poured step by step for the Ames river bottoms.
What Makes Ames Concrete Different?
Central Iowa concrete endures 100 to 120 freeze-thaw cycles in a single winter. Each cycle expands trapped moisture and opens micro-fractures, which is why air-entrained mixes and correct joint placement matter far more here than in milder climates.
How JLB Handles ADA Ramps in Ames
Free On-Site Inspection
We measure the area, check how it drains, and assess the base before quoting.
Tear-Out & Haul-Off
The old driveway comes out and we remove the debris so we start on solid ground.
Subgrade Prep
We compact and grade the base so the slab bears evenly over central-Iowa soil.
Forming & Reinforcement
Forms are set to grade and we add rebar or mesh where the load calls for it.
Air-Entrained Pour
We place a 5-7% air-entrained mix built for Iowa freeze-thaw.
Finish & Saw-Cut Joints
Broom or decorative finish, then control joints cut at planned intervals.
Cure & Protect
We protect the pour while it cures so it gains full strength without scaling.
Why Ames Homeowners Choose JLB for ADA Ramps
Precise 1:12 slope and code-compliant landings
Air-entrained, reinforced concrete that holds compliance through Iowa freeze-thaw and soil movement
Deep footings below the 42-inch frost line
Meets federal ADA requirements plus local code
ADA Ramps & Compliance in Ames — FAQ
Surveying the run and rise, then pouring footings below the 42-inch frost line. The footing comes first because everything compliant depends on a stable base — if it heaves, the slope drifts and the ramp fails inspection. JLB locks in the geometry from the ground up.
Ames sits where the Skunk River meets Squaw Creek, keeping the till saturated and the surface damp. JLB drops footings below the active frost zone and pours an air-entrained deck so the river-fed moisture and freeze-thaw can't heave or spall the ramp.
Central Iowa runs 100 to 120 freeze-thaw cycles a winter, and the Skunk River bottoms feed extra moisture into the concrete's surface. JLB pours 5 to 7 percent entrained air, the ACI range for freeze-thaw flatwork, so freezing water expands without spalling the deck.
A running slope of 1:12 or flatter, a cross slope under 2 percent, and level 60-inch landings at the top, bottom, and any turn. JLB screeds to those tolerances and verifies them with a level before the concrete sets.
Yes. The same JLB crew surveys, pours footings, compacts the base, sets reinforcement, pours, and finishes, with no subcontractor handoffs. Call (515) 717-8560 for a free site walk and measured estimate.
Get Your Free ADA Ramps Estimate in Ames
Fill out the form and the JLB team will reach out within 24 hours. Or call us now at (515) 717-8560.
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JLB Basement Waterproofing & Foundation Repair — Des Moines
97 Indiana Ave Suite #1Des Moines, IA, 50314(515) 717-8560 View on Google Maps
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A free on-site estimate tells you exactly what your ada ramps project takes — and what it costs. Call (515) 717-8560.