Crawl Space Encapsulation in St. Francis, Minnesota

24 crawl space companies serve St. Francis, Minnesota, with 3,706 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 St. Francis contractors who specialize in vapor barriers, vent sealing, and dehumidification. For broader services, see all crawl space repair contractors in St. Francis.

St. Francis 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 St. Francis

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 St. Francis 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 Minnesota

  • !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 St. Francis

Relax Restoration LLC

15800 Nowthen Blvd NW, Ramsey, MN 55303, USA

5.0

33 reviews

Crawl Space Repair

Water Damage Cleanup .AI CORP | American Restores Group

8175 Parell Ave NE, Otsego, MN 55330, USA

5.0

29 reviews

Crawl Space Repair

Dry Air Restoration Inc.

8401 73rd Ave N Suite 86, Brooklyn Park, MN 55428, USA

5.0

116 reviews

Crawl Space Repair

American Waterworks

19960 St Francis Blvd NW, Anoka, MN 55303, USA

5.0

46 reviews

Crawl Space Repair

Revered Construction, LLC

23645 Underclift St NW, St Francis, MN 55070, USA

5.0

11 reviews

Crawl Space Repair

The Foundation Repair Company

661 Payne Ave #8, St Paul, MN 55130, USA

5.0

4 reviews

Foundation Repair

SIMESOTA Restoration

11755 Arnold Palmer Trail NE, Blaine, MN 55449, USA

5.0

95 reviews

Crawl Space Repair

Anytime Restoration Fire & Water Damage Blaine

12760 Aberdeen St NE ste 207, Blaine, MN 55449, USA

5.0

102 reviews

Crawl Space Repair

Clean Pro

19120 Freeport St #243, Elk River, MN 55330, USA

5.0

3 reviews

Crawl Space Repair

Local Waterproofing and Concrete

10736 Larkey Rd, Hinckley, MN 55037, USA

5.0

25 reviews

Waterproofing

T & T Waterproofing & Drain Tile Inc.

438 1st Avenue Northwest, Isanti, MN 55040, USA

5.0

49 reviews

Waterproofing

Done Right Insulation

16953 96th St SE, Becker, MN 55308, USA

5.0

52 reviews

Insulation

Pure Breathing Solutions

201 N Miller Ave, Litchfield, MN 55355, USA

4.9

29 reviews

Crawl Space Repair

Anytime Restoration Fire Water Damage Maple Grove

11670 Fountains Dr ste 237, Maple Grove, MN 55369, USA

4.9

82 reviews

Crawl Space Repair

Peak Spray Foam LLC

9098 Ingram Ave NW, Annandale, MN 55302, USA

4.9

40 reviews

Crawl Space Repair

Gunner Insulation

14665 Buchanan St NE Ste. 1 & 2, Ham Lake, MN 55304, USA

4.9

146 reviews

Insulation

Cloud Contents Personal Property Restoration

14160 Basalt St NW, Ramsey, MN 55303, USA

4.8

449 reviews

Crawl Space Repair

Groundworks

1325 S Frandsen Ave, Rush City, MN 55069, USA

4.8

641 reviews

Crawl Space Repair

SafeBasements Waterproofing & Foundation Repair Experts

60335 US-12, Litchfield, MN 55355, USA

4.8

398 reviews

WaterproofingFoundation RepairDrainage

Elite Contractors Inc.

22031 Norway St NW, Cedar, MN 55011, USA

4.8

20 reviews

Crawl Space Repair

Houle Inc

17241 Partridge St NW, Andover, MN 55304, USA

4.8

93 reviews

Crawl Space Repair

Brian's Insulation

438 1st Avenue Northwest, Isanti, MN 55040, USA

4.8

104 reviews

Insulation

Groundworks

6265 Carmen Ave E, Inver Grove Heights, MN 55076, USA

4.8

1055 reviews

Crawl Space Repair

Atlas Foundation Company

11730 Brockton Ln N, Maple Grove, MN 55369, USA

4.7

84 reviews

Foundation Repair

Encapsulation FAQs — St. Francis, Minnesota

Which companies offer crawl space encapsulation in St. Francis?

Relax Restoration LLC (5.0★), Water Damage Cleanup .AI CORP | American Restores Group (5.0★), Dry Air Restoration Inc. (5.0★) are the top-rated crawl space companies in St. Francis, and most full-service contractors handle encapsulation — ask for it specifically when requesting quotes.

How many crawl space contractors serve St. Francis?

24 crawl space companies are listed for St. Francis; Dry Air Restoration Inc. is the highest-rated at 5.0★ (116 reviews). Pros in nearby Minneapolis and St. Paul also cover the area.

How much does crawl space encapsulation cost in St. Francis, Minnesota?

Crawl space encapsulation in St. Francis, Minnesota 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 St. Francis?

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 St. Francis?

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 St. Francis 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 St. Francis?

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%).