How Long Does Foundation Repair Take
Timeline by Repair Method
| Repair Method | On-Site Work Time | Cure/Settling Time |
|---|---|---|
| Crack injection (epoxy/polyurethane) | 2 - 4 hours per crack | 24 - 72 hours |
| Mudjacking | 2 - 4 hours | 24 - 48 hours |
| Foam jacking | 1 - 3 hours | 15 minutes |
| Steel push piers (8 - 12 piers) | 1 - 2 days | Immediate |
| Helical piers (8 - 12 piers) | 1 - 2 days | Immediate |
| Wall anchors | 1 day | Immediate (tightening over months) |
| Carbon fiber reinforcement | 1 day | 24 - 72 hours for epoxy cure |
| Mass concrete underpinning | 2 - 4 weeks | 48 - 72 hours per section |
Pier Installation Timeline
Pier installation is the most common foundation repair for settling problems, and most residential pier jobs are completed in 1 to 2 days. A typical day on a pier installation project follows a predictable pattern. The crew arrives early, typically around 7 or 8 AM, and begins excavating at each pier location. Excavation takes 30 to 60 minutes per pier depending on the soil and access conditions. Once the hole is ready, the bracket is attached to the footing and the pier sections are driven through the bracket using hydraulic equipment. Each pier takes 30 to 90 minutes to drive to refusal, depending on depth.
After all piers are installed, the crew performs the lift phase. Hydraulic jacks are placed at each bracket location and the foundation is raised simultaneously across all pier points. This coordinated lift takes 1 to 2 hours and requires careful monitoring with a laser level to achieve even elevation. After the lift, the excavated areas are backfilled and compacted, and the site is cleaned.
Larger jobs with 16 to 20 or more piers may require a second or third day. Jobs requiring interior piers take longer because cutting through the slab, installing the pier, and patching the concrete adds time at each location. Weather delays, particularly from heavy rain that fills excavated holes, can also extend the timeline by a day or more.
Foam Jacking and Mudjacking Timeline
Foam jacking is the fastest foundation repair method. A typical residential job, including drilling, injection, leveling, and cleanup, takes 1 to 3 hours. The foam cures to 90 percent strength in about 15 minutes, which means the repaired slab can support foot traffic almost immediately and vehicle traffic within an hour. This rapid completion makes foam jacking popular for occupied homes where minimizing disruption is a priority.
Mudjacking takes slightly longer on-site, typically 2 to 4 hours for the drilling and pumping process. The significant difference is cure time. The cement slurry used in mudjacking requires 24 to 48 hours to fully set, during which the slab should not bear heavy loads. Homeowners can walk on the slab the same day, but vehicles, heavy furniture, and other concentrated loads should wait until the slurry has cured.
The Full Project Timeline
While the physical repair work is measured in hours or days, the total project timeline from first contact to final completion typically spans 4 to 8 weeks. Understanding where the time goes helps set realistic expectations.
Living in Your Home During Repair
You can live in your home during virtually all types of foundation repair. The work is primarily exterior for pier installation, with the crew working around the perimeter of the foundation. Interior disruption is limited to noise and vibration from the pier driving equipment, which is comparable to heavy construction equipment operating nearby. If interior piers are needed, the work area inside the home needs to be cleared of furniture, but only in the specific rooms where slab cutting is required.
Foam jacking and mudjacking are even less disruptive, with the entire process completed in a few hours and no interior access needed for most jobs. Crack injection is performed from inside the basement and requires access to the wall being repaired, but the work is clean, quick, and generates minimal mess.
The only scenario where temporary relocation might be advisable is during major underpinning work on occupied basements, where the excavation and concrete pouring process extends over several weeks and creates persistent dust, noise, and access limitations. Even in this case, relocation is a comfort choice rather than a safety requirement.
Factors That Extend the Timeline
Weather. Rain is the primary weather delay for foundation repair. Excavated pier holes fill with water in heavy rain, and wet soil conditions make equipment access difficult. Most contractors will not perform pier installation in actively rainy conditions because of both safety and quality concerns. A week of persistent rain can delay a project by 1 to 2 weeks.
Permit requirements. Jurisdictions that require building permits for foundation repair add 1 to 3 weeks to the timeline for application processing and inspection scheduling. Some municipalities require a pre-work inspection that must be completed before the contractor can begin.
Engineering reports. If a structural engineer's report is required by the municipality, the lender, or the insurance company, the report preparation takes 1 to 2 weeks after the site visit. This step should happen before the repair begins, so scheduling it early in the process prevents delays.
Material availability. Standard pier components are typically in stock with major repair companies. Custom or specialty piers for unusual applications may require 1 to 2 weeks for ordering and delivery.
The actual repair work takes 1 to 3 days for pier installation and a few hours for leveling methods. The total project timeline of 4 to 8 weeks is driven by scheduling, inspections, permits, and post-repair cosmetic work. You can live in your home during the repair with minimal disruption.