Foundation analysis and repair design
Permanent structural crack bonding
Bowing wall stabilization systems
Written coverage on all repair work
Foundation cracks are not all equal -- their orientation, width, location, and rate of growth determine whether they represent a minor sealing concern or a structural emergency requiring immediate engineering intervention. Vertical cracks in poured concrete walls most commonly result from concrete shrinkage as the wall cures or from differential settlement as the soil beneath the footing compresses unevenly. These cracks are typically stable after they form and respond well to polyurethane or epoxy injection. Diagonal cracks that radiate from corners of window and door openings also frequently reflect normal settlement but should be monitored for width increase over time.
Horizontal foundation cracks are the category that demands the most urgent attention. A horizontal crack in a concrete block or poured wall indicates that the wall is being pushed inward by lateral earth pressure -- the weight of saturated soil and the force of frost heave pressing against the foundation from outside. Unlike vertical shrinkage cracks, horizontal cracks indicate that the wall is actively deflecting and will continue to do so unless the lateral force is counteracted. Walls that deflect more than one inch from plumb are approaching the threshold at which conventional repair methods may no longer be adequate and more extensive structural remediation may be required. Carbon fiber reinforcement applied to a horizontally cracked wall at the right stage of deflection stops further movement and allows the wall to carry its design loads without progressing to failure.
Epoxy injection and polyurethane injection are the two primary methods for sealing and structurally repairing cracks in poured concrete walls. Epoxy injection produces a bond that is actually stronger than the surrounding concrete, making it the correct choice for cracks where structural re-bonding of the two faces is the goal. The process involves drilling a series of small ports along the crack at intervals calculated to ensure complete penetration, installing surface-mounted injection ports, sealing the visible crack face between ports with epoxy paste, and pumping two-component structural epoxy resin under low pressure until it fully fills the void and appears at adjacent ports. The resin cures within the crack to a solid, high-strength bond that is permanent and fully water-resistant.
Soil settlement beneath footings is an independent cause of foundation cracks that requires evaluation separately from the wall repair itself. When soil compresses or washes out from beneath a footing, that section of the foundation wall loses its support and the wall may develop diagonal cracks as the unsupported section deflects downward. In these cases, crack injection addresses the symptom while leaving the root cause unresolved. Our assessment includes a review of grading, drainage, and visible footing conditions to identify signs that settlement is active. Where settlement is a factor, we coordinate the repair approach to address both the crack and the soil condition that created it, preventing recurrence after the crack is sealed.
Six targeted repair services covering every foundation crack condition in Edison, OH homes.
We use two-component structural epoxy formulated for below-grade conditions and sized for the crack width encountered, ensuring complete penetration and full void fill before final curing.
Expanding polyurethane resin fills irregular crack voids completely, including geometry that epoxy cannot fully penetrate, and cures to a flexible seal that tolerates minor seasonal wall movement without reopening.
Strap installation requires no excavation of the foundation exterior, minimal removal of interior finishes, and leaves a wall surface that can be painted over after the bonding adhesive cures.
We install wall anchor systems in a pattern sized to the wall load and soil conditions, with each anchor location documented in your warranty documentation for future reference.
Stair-step cracking in block or brick foundation walls follows the mortar joints and indicates differential settlement, thermal expansion cycling, or deteriorated mortar that has lost its bonding strength over decades.
The joint where a poured concrete wall meets the footing is a construction cold joint that is prone to opening as the wall and footing settle and move at slightly different rates, creating a direct water pathway into the basement.
We measure every crack for width, orientation, and displacement, review the soil and drainage context, and classify each crack by type and severity before recommending any repair method.
We match the repair method to the specific crack condition -- epoxy for structural re-bonding, polyurethane for active water and flexible seal requirements, carbon fiber for bowing walls.
Carbon fiber installations include verification of bond strength and strap spacing against the engineered design before the job is signed off.
Your warranty packet includes installation photos, crack condition documentation, and recommended monitoring intervals for any cracks assessed as stable but worth tracking.
The carbon fiber repair on our bowing wall was completed in one day and was far less invasive than we expected. No excavation, no major interior disruption. The crew was professional and explained every step of the process.
I was told by two contractors that my diagonal cracks were just cosmetic. JCB Waterproofing and Construction measured the crack width at three points and showed me they were widening. The epoxy injection repair was completed cleanly and the cracks have been stable for over a year.
I appreciated that they did not try to upsell me on a full drain system when crack injection was the right fix for my situation. They solved the actual problem and the repair has held completely.
Our certified specialists have seen every type of foundation crack in OH -- we know exactly what it takes to fix yours properly.
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