Restore & Inspect
Stop water intrusion and seal failure from turning a small crack into a full structural repair.
What Goes Wrong
The method behind the repair matters as much as the repair itself.
Painting over a damp wall hides the symptom but leaves the membrane breach open, so water returns within one freeze-thaw cycle.
Failed waterproofing membrane sections are cut out and replaced to spec, not coated over, so the barrier is fully restored.
A visual check alone misses moisture trapped behind concrete walls, which corrodes rebar and widens cracks from the inside out.
A thermal imaging scan maps moisture behind wall surfaces before any repair is scoped, so no hidden damage is left unaddressed.
Using a general sealant in a structural crack leaves the bond brittle; it fractures again under Montana’s soil movement and frost pressure.
Polyurethane or epoxy injection fills the crack under pressure and bonds directly to the concrete matrix for a durable, load-bearing seal.
Repairing walls while ignoring a failing battery bank or blocked filtration duct leaves the shelter unfit for use even after the concrete work is done.
Battery bank, generator, and air filtration flow are all load-tested during the inspection so every repair is scoped against actual system condition.
Repair Scope
Each repair category is quoted separately so you know exactly what each fix addresses and why it matters.
Inspection and repair of leaks, damp seams, and failed membrane sections using cut-and-replace waterproofing methods.
Polyurethane or epoxy crack injection under pressure to restore the concrete matrix and stop moisture tracking through wall fractures.
Removal and replacement of worn door gaskets and hatch seals to restore an airtight, watertight entry point.
Flow testing, filter replacement, and duct inspection to bring ventilation back to rated performance for the shelter’s occupied volume.
Load testing of the battery bank and generator to confirm backup power capacity and flag components that need replacement.
Inspection and resealing of floor-to-wall joints and perimeter drainage to redirect groundwater before it reaches the slab.
Maps hidden moisture behind walls before repairs are scoped.
Every finding and repair method documented after the visit.
Structural and electrical permits handled where required.
Restore & Inspect
A small crack in a below-grade concrete wall can become a major water intrusion problem within one Montana freeze-thaw cycle.
Repair starts with a full inspection, not a patch. Thermal imaging identifies moisture behind walls before it becomes visible. A visual check covers efflorescence, rust staining, joint separation, and door seal condition. Air filtration flow is tested, and the battery bank and generator are load-tested. Montana’s freeze-thaw soil cycles accelerate concrete cracking and seal failure faster than in milder climates, so an uninspected bunker can deteriorate significantly between seasons.
Once the inspection is complete, targeted repairs are scoped by failure type. Structural cracks are sealed with polyurethane or epoxy injection, which fills the crack under pressure and bonds to the concrete matrix. Waterproofing membrane failures are cut out and replaced rather than painted over. Entry door gaskets and hatch seals are replaced to spec. Electrical and filtration components are swapped for rated equivalents, not generic substitutes.
A written summary covers every finding, the repair method used, and any items that need monitoring. Montana permitting requirements apply to structural concrete work and electrical installation in underground structures, and the local installer handles that process where it applies. Ignoring a hairline crack is the single most common reason a minor repair becomes a full waterproofing project, water follows the path of least resistance, and freeze-thaw cycles widen that path every winter.
Why Choose Us
Scope clarity, local knowledge, and accountability from first contact to written summary.
Every enquiry is reviewed for site access, drainage, and system needs before it reaches a local installer for a quote.
Crack injection, membrane work, and system repairs are quoted as separate line items so each fix is clearly justified.
Partners are familiar with freeze-thaw soil cycles, rural access routes, and Montana’s underground structure permit process.
Structural concrete and electrical work in underground structures requires Montana permits; the local installer manages that process.
A documented record of every finding, repair method, and monitoring note is provided after the work is complete.
The Process
01
Describe the symptoms, the bunker’s age, and site access so the scope review can flag issues before an installer is contacted.
02
The scope is reviewed for drainage, soil conditions, and system needs, then routed to a local Montana installer for a phase-by-phase quote.
03
The installer completes a full inspection, carries out targeted repairs, and delivers a written summary of every finding and fix.
Pricing Estimates
| Job | Typical cost |
|---|---|
| Minor leak repair | $2,500-$7,500 |
| Waterproofing repair | $8,000-$20,000 |
| Structural repair | $25,000-$75,000 |
Describe the symptoms and site access. We review the scope and connect you with a local Montana installer who quotes each repair phase separately.