Serving the Sioux City area  ·  (712) 522-2693  ·  Open Mon-Sat 7am-6pm
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Attic Spray Foam Insulation professional in Sioux City
4.9/5 16 verified Google reviews

Spray Foam Insulation in Sioux City, IA | Attic & Basement Insulation

Fully Insured, in Sioux City and surrounding areas. Attic Spray Foam Insulation · Closed Cell Spray Foam Insulation · Open Cell Spray Foam Insulation.

Written Estimates with R-Value & Thickness Specs Fully Insured Free Quote 24h Locally Owned Serving Since 2015 Open Mon-Sat 7am-6pm in Sioux City and surrounding areas
+16Verified Reviews
11Years in Business
4.9 ★Google Rating
24/7Available

Your Free Quote Request

Confidential · Response within 24h

✅ No hidden fees💳 Cards accepted🛡️ Fully Insured✅ Written Estimates with R-Value & Thickness Specs
Our services

Our Spray Foam Insulation Services in Sioux City

All your work handled by qualified professionals in Sioux City

Attic Spray Foam Insulation

Attic foam built for Sioux City's hot summers and cold river winters

Included in your service

  • Roof deck sealed against Siouxland's humid summer heat gain
  • Closed cell foam tackles cold windy Missouri River winters
  • Service for Morningside homes and Sergeant Bluff subdivisions
  • Air sealing cuts drafts in older Loess Hills attics
Learn more→

Closed Cell Spray Foam Insulation

Closed cell foam for Woodbury County's hillside basements and rim joists

Included in your service

  • Rim joist foam blocks moisture in damp Loess Hills basements
  • Rigid foam adds strength on hillside lot foundations
  • Service across Woodbury, Plymouth and Sioux counties
  • Closed cell seals against cold Missouri River winter drafts
Learn more→

Open Cell Spray Foam Insulation

Open cell foam for Morningside and downtown-hillside homes

Included in your service

  • Fills odd framing bays in older Morningside houses
  • Expands to seal hillside homes above downtown Sioux City
  • Sound dampening for mid-century ranch interior walls
  • Softens the humid summer to cold winter swing indoors
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Wall & Injection Foam Insulation

Wall injection foam for older homes above downtown Sioux City

Included in your service

  • Fills wall cavities in hillside homes above downtown
  • No drywall removal in older Morningside houses
  • Patch work matched to original lap siding or stucco
  • Blocks drafts through walls during windy Siouxland winters
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Crawl Space Spray Foam Insulation

Crawl space foam for additions near Sergeant Bluff

Included in your service

  • Vapor barrier and foam for crawl spaces near Sergeant Bluff
  • Blocks moisture from Siouxland's humid summer storms
  • Seals crawl space walls against Woodbury County cold
  • Keeps floors warmer through windy Missouri River winters
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Rim Joist & Band Joist Spray Foam

Rim joist foam for hillside basements across the Loess Hills

Included in your service

  • Band joist sealed in hillside Loess Hills basements
  • Blocks cold drafts through windy Siouxland winters
  • Stops condensation in damp basements after spring rain
  • Service for Morningside, Leeds, and downtown hillside streets
Learn more→

Garage Spray Foam Insulation

Garage foam for Sioux City homes and Sergeant Bluff builds

Included in your service

  • Foam for rooms above garages in Sergeant Bluff subdivisions
  • Seals garages against cold windy Siouxland winters
  • Cuts summer heat gain in attached ranch garages
  • Air sealing for garages near downtown Sioux City hillsides
Learn more→

Metal Building & Barndominium Spray Foam

Metal building foam for shops and farms around Woodbury County

Included in your service

  • Interior foam for shops across Woodbury and Plymouth counties
  • Stops sweating metal in humid Siouxland summers
  • Barndominium insulation for farm buildings near Sioux City
  • Holds up through cold windy Missouri River winters
Learn more→

Commercial & New Construction Spray Foam

Commercial spray foam for new builds across Woodbury County

Included in your service

  • Estimates for new construction across Woodbury and Plymouth counties
  • Foam systems sized for Siouxland's humid summer swing
  • Built to handle cold windy Missouri River winters
  • Coordination for subdivisions pushing toward Sergeant Bluff
Learn more→

Insulation Removal

Attic insulation removal for older hillside Sioux City homes

Included in your service

  • Clears flattened insulation from hillside Morningside attics
  • Removes rodent waste common in older Leeds homes
  • Preps roof deck for foam ahead of winter heating season
  • Service for original attics above downtown Sioux City
Learn more→

Insulation Replacement & Re-Insulation

Attic re-insulation for Morningside and Sergeant Bluff homes

Included in your service

  • New foam sized for Morningside and hillside attics
  • Closed or open cell options for Sergeant Bluff builds
  • Ready before Siouxland's cold windy heating season
  • Matched to roof decks across Woodbury County homes
Learn more→

Air Sealing

Air sealing from downtown hillside streets to Sergeant Bluff

Included in your service

  • Blower door testing for homes across Siouxland
  • Seals top plates in older downtown hillside homes
  • Stops stack effect drafts in windy Siouxland winters
  • Rim joist sealing for newer Sergeant Bluff subdivisions
Learn more→

Get an Instant Ballpark Estimate

Pick the job, tell us roughly how much surface has to be covered, and see the range we actually work in. No email wall, no waiting.

Tell us the area to cover and we'll send your free written estimate →

Indicative ranges only. Final pricing depends on the thickness and R-value specified, what has to come out first, access, and whether open or closed cell is the right product. Measured on site at the board foot. Minimum job charges apply on small jobs.

Simple Process

How It Works in Sioux City

1

Call or Request a Free Quote

Reach us by phone at (712) 522-2693 or fill out the estimate form. We get back to you within 24 hours, no commitment required.

2

We Assess On-Site

Our Spray Foam Insulation Contractor visits your property, evaluates the project, and provides a written quote before any work begins.

3

We Do the Work and Clean Up

Our crew completes the spray foam insulation and leaves your property clean and tidy. Full cleanup is included.

Why choose us?

Trusted spray foam insulation, air sealing, and insulation removal and replacement service in Sioux City

🏅

Insured contractors

Continuous training, professional equipment, meticulous and code-compliant work

🛡️

Fully Insured

Full coverage on all our job sites, no exceptions

⚡

Available Mon-Sat 7am-6pm

Emergencies, weekends, holidays: available when you need us

💰

100% Free Quote

Response within 24h, no commitment, by phone or form

+16
satisfied clients
4.9/5Google Rating
11Years in Business
📞 (712) 522-2693

Available Mon-Sat 7am-6pm

Team Sioux City Spray Foam Insulation in Sioux City
✅ Written Estimates with R-Value & Thickness Specs 🛡️ Fully Insured 📅 Since 2015 ⭐ 16+ reviews
About us

Your trusted service in Sioux City since 2015

Sioux City Spray Foam Insulation is a team of local, fully insured professionals based in Sioux City. We respond quickly in Sioux City and surrounding areas with professional equipment suited to every job.

Free estimate, transparent pricing, no subcontracting. Tell us about the space. We'll handle the rest.

📞 Call (712) 522-2693
Verified client reviews

16+ Verified Client Reviews in Sioux City

⭐⭐⭐⭐⭐ 4.9/5 · 16 verified Google reviews

Before & after results

Our work in Sioux City: before & after results

Real photos of our work in Sioux City · Each image shows the final result achieved for our clients

Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Result spray foam insulation in Sioux City - Sioux City Spray Foam Insulation
Rates in Sioux City

Our Spray Foam Insulation Rates in Sioux City · 2026 Pricing Guide

Indicative estimates: your free personalized quote is always exact

Our Rates for Attic Spray Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Closed Cell Spray Foam AtticStarting at $1.50/sq ft
Open Cell Spray Foam AtticStarting at $0.85/sq ft
Insulation Removal and ReplacementOn estimate
Air Sealing with Foam ApplicationIncluded
TravelIncluded
Free EstimateFree

Our Rates for Closed Cell Spray Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Rim Joist and Band Joist FoamStarting at $1.20/board ft
Basement and Crawl Space WallsStarting at $1.20/board ft
Sealed Attic Deck and Rafter CavityStarting at $1.20/board ft
Metal Building and Pole Barn InsulationStarting at $1.20/board ft
Insulation Removal Before FoamOn estimate
Estimate and TravelFree

Our Rates for Open Cell Spray Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Attic cavity fill (full depth, open cell)Starting at $0.55/board ft
Rim joist and band joist sealingStarting at $800
Interior wall cavity fill (injection foam)Starting at $600
Top-up over existing insulationStarting at $0.55/board ft
Travel and setupIncluded
Free written estimateNo charge

Our Rates for Wall & Injection Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Wall Injection Foam (Closed-Cell)Starting at $2.50/sq ft
Wall Injection Foam (Open-Cell)Starting at $1.75/sq ft
Multi-story or Complex AccessOn estimate
Travel and SetupIncluded
Free EstimateFree

Our Rates for Crawl Space Spray Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Small crawl space (800-1,000 sq ft)Starting at $2,500
Standard crawl space (1,000-1,500 sq ft)Starting at $3,500
Large or complex crawl space (1,500+ sq ft)On estimate
Rim joist only (no full crawl space foam)Starting at $1,200
TravelIncluded
Free estimateNo obligation

Our Rates for Rim Joist & Band Joist Spray Foam in Sioux City

Service / CriteriaIndicative Rate
Rim joist spray foam, single story basementStarting at $650
Rim joist spray foam, two story or large basementStarting at $950
Rim and crawl space transition insulationStarting at $1,200
Complex rim assembly or multiple sectionsOn estimate
TravelIncluded
Free estimateNo obligation

Our Rates for Garage Spray Foam Insulation in Sioux City

Service / CriteriaIndicative Rate
Single-car garage, walls and ceilingStarting at $1,200
Two-car garage with rim joist sealingStarting at $2,800
Garage with bonus room above and sealed atticStarting at $4,200
Detached garage or complex foundation accessOn estimate
TravelIncluded
Free written estimateNo charge

Our Rates for Metal Building & Barndominium Spray Foam in Sioux City

Service / CriteriaIndicative Rate
Closed-Cell Foam on Metal Walls (3 to 5 inches)Starting at $1.75/sq ft
Closed-Cell Foam on Roof DecksStarting at $1.75/sq ft
Air Sealing Around Transitions and PenetrationsStarting at $500
Full Metal Building or Barndominium RetrofitOn estimate
Travel and MobilizationIncluded
Free Written EstimateFree

Our Rates for Commercial & New Construction Spray Foam in Sioux City

Service / CriteriaIndicative Rate
Free Commercial EstimateFree
Closed-Cell Spray FoamStarting at $1.50 to $2.50 per board foot
Open-Cell Spray FoamStarting at $0.80 to $1.40 per board foot
Insulation Removal and ReplacementOn estimate
Travel and SetupIncluded

Our Rates for Insulation Removal in Sioux City

Service / CriteriaIndicative Rate
Standard attic removal (1,000-1,500 sq ft)Starting at $950
Large attic or complex removal (1,500+ sq ft)Starting at $1,500
Selective removal and assessmentStarting at $650
Hazard identification and documentationIncluded
Written estimateFree

Our Rates for Insulation Replacement & Re-Insulation in Sioux City

Service / CriteriaIndicative Rate
Attic insulation replacement, 1,000 to 1,500 sq ftStarting at $2,800
Attic insulation replacement, 1,500 to 2,500 sq ftStarting at $4,200
Attic replacement plus rim joist and band joist sealingStarting at $4,800
Complex attic, multiple levels, or high R-value targetOn estimate
TravelIncluded
EstimateFree

Our Rates for Air Sealing in Sioux City

Service / CriteriaIndicative Rate
Rim joist sealing (single basement or crawl space)Starting at $650
Top plate sealing (attic penetrations and transitions)Starting at $800
Combined rim joist and top plate air sealingStarting at $1,200
Sealed attic assembly or large-scale air sealingOn estimate
Travel and mobilizationIncluded
Written estimate with R-value and thickness specsFree

Indicative rates, actual cost varies with project size, materials, and site access. Free personalized estimate within 24h.

See full pricing guide →
Free Quote

Get Your Free Quote

Spray Foam Insulation in Sioux City · Response within 24h · No commitment · ☎ (712) 522-2693

Your Free Quote Request

Confidential · Response within 24h

✅ Free personalized estimate ⚡ Response within 24h 🛡️ Fully Insured 📍 On-site visits included in Sioux City ✅ No hidden fees 🕐 Available Mon-Sat 7am-6pm
Frequently asked questions

Your questions about our services in Sioux City

How much does spray foam insulation cost in Sioux City?
Spray foam insulation costs vary based on the size of your project, foam type (open or closed cell), and application area. Sioux City Spray Foam Insulation provides free written estimates that include R-value and thickness specifications so you know exactly what to expect before we begin work.
Do you offer free estimates for spray foam insulation projects in Sioux City?
Yes, we offer free written estimates for all spray foam insulation projects in Sioux City. Our estimates include detailed R-value and thickness specifications to help you make an informed decision about your insulation needs.
How quickly can you respond to spray foam insulation requests in Sioux City?
We prioritize fast response times for all Sioux City customers and work to schedule estimates and installations promptly. For urgent air sealing or insulation needs, call us at (712) 522-2693 to discuss your timeline.
What areas of Sioux City do you service?
Sioux City Spray Foam Insulation serves the greater Sioux City area for all spray foam insulation, air sealing, and insulation removal projects. Contact us at (712) 522-2693 to confirm service availability for your specific location.
Are you insured for spray foam insulation work in Sioux City?
Yes, Sioux City Spray Foam Insulation carries full liability insurance to protect your property and our team during all insulation projects. We maintain professional standards and coverage for residential, commercial, and new construction applications.
What is the difference between closed cell and open cell spray foam insulation?
Closed cell foam is denser, offers higher R-value per inch, and provides superior moisture and air barrier protection, making it ideal for humid environments like crawl spaces. Open cell foam is lighter, more cost-effective, and offers good sound dampening, making it suitable for attics and interior walls where moisture control is less critical.
How does spray foam insulation improve air sealing in Sioux City homes?
Spray foam expands to fill gaps, cracks, and cavities that traditional insulation misses, creating an airtight seal that prevents heat loss and air infiltration. This superior air sealing reduces drafts, lowers energy bills, and improves indoor comfort throughout your Sioux City home.
How do I find a reliable spray foam insulation contractor near me in Sioux City?
Look for a contractor with experience in both residential and commercial spray foam applications, free detailed estimates with R-value specifications, and proper insurance coverage. Sioux City Spray Foam Insulation offers all of these, plus expertise in attics, crawl spaces, rim joists, and air sealing. Call (712) 522-2693 to get started.