Foundation Crack Repair in Newark, NJ
Foundation crack repair is two jobs: sealing the crack and knowing why it formed. Many cracks are old and stable, some let water in, and a few are signs of movement that sealing alone will not fix. We tell you which kind you have in Newark, NJ homes before we inject anything.
- Registered under New Jersey Home Improvement Contractor (HIC) registration
- Engineer-sealed plans where the Newark Building Division (Office of Uniform Construction Code) needs them
- Free on-site inspection and a written contract
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Please call us at (973) 576-5748.
Reading a Crack
Direction and width tell the story. Thin vertical cracks in poured concrete are often shrinkage and usually stable. Stair-step cracks through block mortar, horizontal cracks partway up a wall, and cracks wider at one end than the other point to pressure or settlement and need a closer look.
In older Newark homes, the pressure is commonly reported to come from water: a high water table and hydrostatic pressure against basement walls is a frequent cause here. clay-rich soil and shallow footings set only to the frost line on pre-1960 houses also come up. We check for all three before we recommend a repair.
Stable cracks that leak get injected. Cracks from active movement need the movement stopped first; see foundation repair. If water is the wider problem, see basement waterproofing.
Crack Repair Methods
Epoxy injection
Bonds a stable crack in poured concrete and restores strength across it.
Polyurethane injection
Expands to seal a leaking crack, flexing with small seasonal movement.
Block wall repair
Repointing, rebuilding, or reinforcing block walls with stair-step cracks.
Monitoring
Marking and measuring a crack over time when we need to know if it is moving.
Crack Repair in Newark Homes
Older foundations crack more, and about three in four Essex County homes were built before 1980. Block basements are common in neighborhoods like Vailsburg, and they crack along mortar joints rather than straight through. We repair each wall type the way it was built.
Weather keeps cracks moving. northern New Jersey sees more freeze-thaw cycling than the shore, and water that freezes in a crack widens it a little each winter. Sealing a leaking crack before the cold season stops that cycle.
Injection on its own is rarely structural. When a crack is part of a structural repair, New Jersey generally requires plans sealed by a licensed New Jersey engineer or architect, and we file with the Newark Building Division (Office of Uniform Construction Code).
Our Process
How We Repair a Crack
Inspect
We measure the crack, check for water and movement, and explain the cause.
Prepare
The crack is cleaned and injection ports are set along its length.
Inject
Epoxy or polyurethane fills the crack from the inside out.
Finish
Ports come off, the surface is finished, and we note the repair for your records.
Common Questions
Frequently Asked Questions
Are foundation cracks normal?
Hairline shrinkage cracks in poured concrete are common and usually harmless. Horizontal cracks, stair-step cracks in block, and cracks that keep widening are not. In Essex County, where about three in four Essex County homes were built before 1980, most basements have some cracking, so the question is which kind.
What does foundation crack repair cost?
A single injected crack is a modest job; several cracks, block repair, or a crack tied to movement costs more. If structural work is involved, engineering and a permit are added, and Newark fees run $28 per $1,000 of estimated construction cost up to $50,000. We give you a written price after the inspection.
Epoxy or polyurethane: which is better?
Epoxy bonds a stable crack and restores strength; polyurethane seals a leaking crack and tolerates small movement. We choose based on whether the crack is structural, leaking, or both. Neither fixes active movement, which needs the cause addressed first.
Will a sealed crack leak again?
A properly injected crack rarely leaks through the repair, but water can find another path if pressure stays high. a high water table and hydrostatic pressure against basement walls is a frequent cause in this area, so we may recommend drainage alongside the injection.
Have a Crack Looked At
Send a photo of the crack with something for scale, or call. Back to the home page, or request a free inspection.