Heavy-gauge vapor barriers, sealed foundation vents, and a dedicated sump discharge line so your New London, MN crawl space stops feeding moisture into the floor joists above it.
A rushed encapsulation job with unsealed seams or unwrapped piers looks fine on day one and fails within a season. We treat seam sealing and pier wrapping as core parts of the install, not optional add-ons that get skipped to save time.
We follow manufacturer specs on liner overlap and seam tape so the barrier actually holds up over time.
Our technicians carry encapsulation materials on the truck for most standard-size crawl spaces, cutting down on return visits.
No hourly billing — the number we quote is the number on the final invoice.
We measure relative humidity before and after installation to confirm the space is actually staying below the threshold where mold and wood rot take hold.
We scope every Crawl Space Encapsulation job in person before quoting it, since two properties with the same symptom rarely need the same fix.
Before any liner goes down, we pump out existing standing water and remove debris left behind by prior drainage failures.
Liner thickness is selected based on foot traffic and how the space will be used going forward, not a flat default.
Open foundation vents pull in humid outside air, which is often the real driver of New London, MN crawl space condensation — we seal them as part of encapsulation.
A crawl space needs its own sump basin and discharge line separate from any basement system, since the two spaces drain differently.
We also check subfloor insulation for water damage and replace anything compromised before closing the liner.
We ask about standing water, musty odor, and vent condition to gauge scope before scheduling the inspection.
We take humidity and moisture readings to establish a baseline before recommending a system.
We explain trade-offs between liner thickness options so you can choose what fits your budget and goals.
Most residential encapsulations finish in one to two days depending on square footage and access.
"Found out our old vapor barrier had huge gaps at every seam. They redid it properly and sealed the vents too."
— New London Homeowner
"Wood floors upstairs were starting to cup from crawl space humidity. Encapsulation plus a dehumidifier stopped it before we had to replace flooring."
— New London Customer
"They caught duct condensation we didn't even know was happening down there. Sealed everything up during the same visit."
— New London Homeowner
"Humidity reading before was over 80%. After encapsulation it's holding steady in the 50s."
— New London Customer
A vapor barrier is just the liner on the ground; full encapsulation seals vents, walls, and often adds a dehumidifier for complete moisture control.
We'll recommend a thickness based on how the space is actually used, not just a default.
In most New London, MN climates, yes — open vents pull in humid air that undoes a lot of the benefit of the liner alone.
If the smell persists after encapsulation, that usually points to a separate moisture source we'd need to investigate.
Yes — we extract existing water first, then proceed with liner and vent sealing once the space is dry enough to work safely.
Most residential jobs finish in one to two days depending on square footage and how much prep work is needed.
Tight access or an unusually large crawl space? Call +1-866-476-1348 and we'll confirm scope and scheduling for your specific New London property.
Zip codes we serve in New London, MN: 56273
One call gets you a licensed specialist, a written quote, and a same-day time window.
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