Crawl Space Encapsulation in Neenah, Wisconsin

21 crawl space companies serve Neenah, Wisconsin, with 4,821 customer reviews between them. Most full-service crawl space contractors handle encapsulation even when it isn't listed separately — confirm scope when comparing quotes. Local encapsulation typically runs $3,000–$8,000.

Get sealed crawl space quotes from Neenah contractors who specialize in vapor barriers, vent sealing, and dehumidification. For broader services, see all crawl space repair contractors in Neenah.

Neenah Encapsulation Cost — Midwest — Radon + Moisture

$3,000$8,000complete system

Variable: humid summers (70–85%), dry winters (30–45%). Primary driver: radon mitigation, flooding, clay-soil moisture.

Cost varies with crawl space sq ft, vapor barrier mil thickness, dehumidifier sizing, and wall insulation. Get 2–3 quotes for an exact number.

Why Encapsulation Matters in Neenah

The Midwest is the highest-radon region in the country. Encapsulation here is most effective when paired with active radon mitigation — the same vapor barrier that blocks moisture also blocks soil gas. Bundling encapsulation with radon mitigation typically saves $500–$1,200 vs separate installations.

What a Neenah Encapsulation System Should Include

  • 12–20 mil vapor barrier with sealed seams (radon-rated)
  • Active radon mitigation system (sub-membrane depressurization)
  • Sump pump and interior drainage (heavy clay soils retain water)
  • Wall insulation R-10 to R-15
  • Dehumidifier sized 70–90 pints/day
  • Reinforced barrier in flood-prone areas

What to Watch For in Wisconsin

  • !Test radon BEFORE encapsulation. If levels are high, design the system for radon mitigation from day one — retrofitting is expensive
  • !Demand a barrier with sealed seams, not just overlapped — radon migrates through gaps
  • !Confirm the contractor is licensed for both encapsulation AND radon mitigation (different licenses in many states)

Encapsulation Contractors in Neenah

Made New Restoration & Remodeling, LLC

801 Fullview Dr Unit 3, Appleton, WI 54913, USA

5.0

33 reviews

Crawl Space Repair

Acculevel

310 Ohio St Suite 121, Oshkosh, WI 54902, USA

5.0

7 reviews

Crawl Space Repair

Koala Insulation of the Fox Valley

2303 Hiwela Trl, Pickett, WI 54964, USA

5.0

106 reviews

Insulation

Pouwels Basement Specialists LLC

4298 Pouwels Ct, De Pere, WI 54115, USA

5.0

29 reviews

Drainage

Ory's Concrete LLC

7735 Zehner Ln, Larsen, WI 54947, USA

5.0

7 reviews

Crawl Space Repair

920 Restoration Water & Mold Remediation

902 W Packard St, Appleton, WI 54914, USA

5.0

29 reviews

Mold Removal

Acculevel

100 W College Ave Suite 303, Appleton, WI 54911, USA

4.9

13 reviews

Crawl Space Repair

Everdry Waterproofing Fox Cities

3800 N Providence Ave Suite A, Appleton, WI 54913, USA

4.9

703 reviews

Waterproofing

JG Restoration

1720 N Silverspring Dr, Appleton, WI 54913, USA

4.8

157 reviews

Crawl Space Repair

MG Basements Plus LLC

611 N Lynndale Dr Suite M, Appleton, WI 54914, USA

4.8

5 reviews

Drainage

B & B Basement Repairs LLC

E9170 WI-96, Fremont, WI 54940, USA

4.8

110 reviews

Drainage

Midwest Restoration

N2311 W 41 Frontage Rd, Kaukauna, WI 54130, USA

4.8

262 reviews

Crawl Space Repair

Sure-Dry, LLC

754 W Airport Rd, Menasha, WI 54952, USA

4.8

1526 reviews

Crawl Space Repair

SERVPRO of Appleton

1066 American Dr, Neenah, WI 54956, USA

4.8

225 reviews

Crawl Space Repair

Basement Repair Specialists LLC

1400 S Van Dyke Rd, Appleton, WI 54914, USA

4.8

326 reviews

Drainage

Keeney Home Services

1449 Kimberly Dr, Neenah, WI 54956, USA

4.7

604 reviews

Crawl Space Repair

Paul Davis Restoration of Fox Valley

3210 Zuehlke Dr, Appleton, WI 54911, USA

4.6

170 reviews

Crawl Space Repair

ABT Foundation Solutions, Inc.

8718 WI-76, Neenah, WI 54956, USA

4.6

287 reviews

Foundation Repair

Area Waterproofing & Concrete, LLC

1334 E Main St, Omro, WI 54963, USA

4.6

41 reviews

Waterproofing

Erie Home Basement Solutions

924 Byrd Ave, Neenah, WI 54956, USA

4.4

145 reviews

Drainage

CPR+ - Mold Remediation Neenah, Wisconsin

7577 Blacktop Way Bldg 9, Neenah, WI 54956, USA

3.6

36 reviews

Mold Removal

Encapsulation FAQs — Neenah, Wisconsin

Which companies offer crawl space encapsulation in Neenah?

Made New Restoration & Remodeling, LLC (5.0★), Acculevel (5.0★), Koala Insulation of the Fox Valley (5.0★) are the top-rated crawl space companies in Neenah, and most full-service contractors handle encapsulation — ask for it specifically when requesting quotes.

How many crawl space contractors serve Neenah?

21 crawl space companies are listed for Neenah; Koala Insulation of the Fox Valley is the highest-rated at 5.0★ (106 reviews). Pros in nearby Milwaukee and Madison also cover the area.

How much does crawl space encapsulation cost in Neenah, Wisconsin?

Crawl space encapsulation in Neenah, Wisconsin typically costs $3,000–$8,000 for a complete system. Pricing depends on crawl space size, vapor barrier mil thickness (12-mil to 20-mil), whether a dehumidifier is included, and wall insulation specs. Midwest — Radon + Moisture pricing reflects local labor rates and climate-driven scope.

What vapor barrier thickness is best for Neenah?

20-mil radon-rated is recommended if you are mitigating radon. For moisture-only projects, 12-mil is sufficient. Always specify "radon-rated" if radon levels are >2 pCi/L.

Do I need a dehumidifier with encapsulation in Neenah?

A 70–90 pint/day unit covers most Midwest crawl spaces. Pair with the radon fan — they handle different problems but share the same sealed envelope.

How long does crawl space encapsulation last?

A professional encapsulation system in Neenah lasts 15–25 years. The vapor barrier itself (especially 20-mil reinforced products) can last 25+ years. Dehumidifiers should be serviced annually and replaced every 8–12 years. Most contractors offer transferable warranties of 10–25 years on the vapor barrier and 5–7 years on the dehumidifier.

When is the best time of year to encapsulate a crawl space in Neenah?

Late summer through fall (August–October). Avoid spring — flooding makes crawl space access unsafe and wet substrate prevents proper barrier adhesion.

Expected ROI

Radon reduction alone is a health benefit, not a financial one — but it is required disclosure on real estate transactions in most Midwest states. Encapsulation + radon mitigation together typically add $8K–$18K to home value vs unmitigated.

Best Season to Schedule

Late summer through fall (August–October). Avoid spring — flooding makes crawl space access unsafe and wet substrate prevents proper barrier adhesion.

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Midwest — Radon + Moisture

Variable: humid summers (70–85%), dry winters (30–45%).