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Serving Sioux City, IA and surrounding areas. (712) 569-1118
Precision Sioux City Insulation helps homeowners stop paying to heat the outdoors. We diagnose where your home is losing heat, install the right insulation, and back every job with a written walkthrough.
Precision Sioux City Insulation is a locally owned insulation contractor serving Sioux City, IA and the surrounding tri-state area. We offer 16 insulation and air sealing services covering every part of your home - attics, walls, crawl spaces, basements, and more. We serve 12 cities across Iowa, Nebraska, and South Dakota, and we are licensed and insured in Iowa. Whether your home is drafty, your bills are too high, or you have never had insulation inspected, we will tell you exactly what is needed before any work begins.
Drafts sneaking through your walls or attic? Spray foam expands to fill every gap, insulating and sealing air leaks in one step - so your furnace stops working overtime.
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Heat rises straight out through a thin attic. Proper attic insulation keeps warmth inside all winter and blocks summer heat from baking down through your ceiling.
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Blown-in insulation fills odd corners and irregular spaces that batts can't reach, delivering complete coverage across your entire attic floor.
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Cold rooms, high bills, and drafts are signs your home is under-insulated. A full home assessment identifies exactly where heat is escaping - and what to do about it.
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Old, wet, or pest-damaged insulation loses its effectiveness and can hide bigger problems. Safe removal clears the way for fresh material that actually works.
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An uninsulated crawl space lets cold air and ground moisture rise into your floors and living areas. Insulating it cuts that heat loss and protects your floor framing.
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Exterior walls with no insulation are just wood and drywall between you and a Sioux City winter. Blown-in wall insulation adds real thermal resistance without a gut renovation.
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Even thick insulation loses much of its value when air leaks through gaps around pipes, wires, and fixtures. Air sealing plugs those gaps before they drive up your bills.
Learn MoreReach out by phone or use the form on this page. We will ask a few quick questions about your home - age, size, and what has been bothering you (high bills, cold rooms, drafts). You will leave the conversation knowing exactly what comes next. We respond within 1 business day.
We come to your home, go into the attic or crawl space, and look at what is actually there. We measure existing insulation, check for moisture, and identify gaps around pipes and fixtures. The visit takes 30 to 60 minutes and costs nothing. You will receive a written, itemized estimate after we have seen the space - no guessing, no phone quotes.
On installation day, we protect your floors, complete the work, and walk you through the finished job before we leave. You see the insulation, verify the coverage, and ask any questions you have. We handle permit paperwork when required and provide full documentation for your tax records and utility rebate applications.
Every project we take on is covered - liability insurance and workers comp included. You are never on the hook if something goes sideways. Ask for documentation before any work begins.
We are not a national franchise passing work to a subcontractor you have never met. Our crew works out of Sioux City, knows the local housing stock, and stands behind the jobs we complete.
We come to your home, look at the space, and give you a written estimate before asking for anything. No phone quotes. No pressure to sign the day of the visit. Take your time.
We are available around the clock and respond to every inquiry within 1 business day. If the job can be scheduled same week, we will tell you. No waiting weeks to hear back.
Ready to get started? Call (712) 569-1118 or send us a message.
"We had spray foam done in our crawl space and rim joists last fall. The first month after the work, our gas bill came in noticeably lower than the same month the year before. The crew showed us the finished foam before they left, which I appreciated - I could see it was even and complete."
Mark T., Sioux City, IA - Spray foam insulation
"Our upstairs bedrooms have always been cold in winter no matter what we did with the thermostat. After attic insulation and air sealing in October, the difference was obvious within a week. The assessment visit was quick and they explained everything in plain language without trying to upsell us on things we didn't need."
Rachel D., South Sioux City, NE - Attic insulation
"I was not sure blown-in insulation was worth it for an older house like ours, but after seeing our heating bills drop two winters in a row, I wish we had done it sooner. The process was straightforward - they were done in half a day and left no mess behind."
Jim B., Dakota Dunes, SD - Blown-in insulation
We respond within 1 business day. There is no obligation - just a straight answer about what your home needs and what it will cost. After you submit, someone from our office will call to schedule a free on-site estimate at a time that works for you.
(712) 569-1118Precision Sioux City Insulation is based in Sioux City, IA and serves 12 cities across Iowa, Nebraska, and South Dakota - including South Sioux City, Dakota Dunes, and Le Mars. In most cases we can schedule same-week. If you are not sure whether we cover your area, call us and we will tell you directly.
Serving these cities and communities.
Sioux City sits in a climate zone where temperatures regularly drop well below zero. That extreme cold puts constant pressure on any gap in your thermal envelope. Homes in this region need higher insulation levels than most of the country - and many older homes fall short of that bar. The U.S. Department of Energy explains recommended insulation levels by region at energy.gov. energy.gov insulation guide.
Insulation follows a law of diminishing returns - each additional inch helps less than the last. The sweet spot for Iowa attics is roughly R-49 to R-60. Going significantly above that adds cost without meaningful savings. A proper assessment will tell you where your home currently stands and exactly how much more is worth adding.
Insulation that has been wet, compressed, or contaminated by pests needs to come out before new material goes in. Adding on top of damaged insulation traps the problem underneath and the new material will not perform correctly. A contractor who checks the existing insulation before quoting is doing the job right.
Yes - and often more than adding more insulation. The U.S. Department of Energy estimates that air sealing alone can cut heating and cooling costs meaningfully because air leaks move heat through your walls faster than conduction. Sealing first, then insulating on top, is the right sequence. Without it, even thick insulation leaves you with drafts and high bills. See the DOE's guidance at energy.gov air sealing.
Open your attic hatch and look. If you can see the wooden framing running across the attic floor, your insulation is too thin. Other signs include heating bills that spike sharply in January, rooms that never warm up evenly, and ice dams forming along your roofline after snowfall. Homes from that era were built to standards far below what is recommended today.
Yes. As of 2025, a federal tax credit covers up to 30% of insulation project costs, capped at $1,200 per year. MidAmerican Energy - the primary utility in Sioux City - also offers rebates for qualifying upgrades. Check current rebate programs at MidAmerican Energy's website.
Precision Sioux City Insulation is a licensed and insured insulation contractor company based in Sioux City, IA, serving 12 communities across Iowa, Nebraska, and South Dakota since 2024.
We hold an Iowa Home Improvement Contractor license issued through the Iowa Contractor Registration and Licensing program, which requires passing examination and maintaining active insurance. Every job is covered by liability insurance and workers compensation.
Since opening in 2024, we have completed insulation and air sealing projects across all 16 service types we offer - from single-room attic jobs to full commercial installations. Learn more about our team and approach.
The federal government places Iowa in a high-priority insulation zone. Attics here should reach R-49 to R-60. That is roughly 14 to 18 inches of blown-in material. Many older Sioux City homes fall well short of this, particularly if the original insulation has compressed over time.
If existing insulation is dry and undamaged, adding on top is usually fine. If it has been wet, compressed, or disturbed by pests, it needs to come out first. A contractor who inspects what is there before quoting - rather than assuming - is the one you want.
Spray foam fills gaps and acts as a moisture barrier, making it better for crawl spaces and rim joists. Blown-in is faster to install and lower cost per square foot, making it well-suited for large attic areas. Many Sioux City homes benefit from both - spray foam in the tight spots, blown-in across the attic floor.
The ENERGY STAR seal and insulate guide is a reliable reference for understanding what a proper job should include. If your home is not performing the way it should, call us at (712) 569-1118 and we will come take a look.
Sioux City is the fourth-largest city in Iowa, with a population of roughly 82,000 to 85,000 people and a housing stock that skews older than most of the state. The Historic Northside and Morningside neighborhoods are packed with Craftsman bungalows and American Foursquare-style homes built between the 1920s and 1940s. Median home age in Sioux City runs into the early 1970s, and a significant share of the housing stock predates modern insulation standards by decades. According to Census Reporter, many of these homes were built before 1950 and have never had a meaningful insulation upgrade.
The city sits at the point where Iowa, Nebraska, and South Dakota meet, right along the Missouri River. That location brings real weather extremes - winters that push well below zero and humid summers with heavy thunderstorms. The river corridor also means elevated ground moisture in low-lying neighborhoods, which makes crawl space insulation and vapor barriers a practical necessity rather than an optional upgrade. Sioux City landmarks like the Sergeant Floyd Monument on the north bluff and the Sioux City Art Center downtown anchor a community where most residents put down roots and maintain their homes long-term.
Precision Sioux City Insulation works on homes across all of Sioux City - from the older two-story houses in the Historic Northside to the ranch homes and split-levels on the south side built in the postwar decades. Whether your home is near the Missouri River bluffs or out in the newer subdivisions toward Sergeant Bluff, we understand the local housing stock and what it takes to bring an older Iowa home up to a standard that keeps you comfortable through a Sioux City winter.
By appointment only, no walk-ins.
Precision Sioux City Insulation
705 6th St, Ste 190Sioux City, IA 51101(712) 569-1118info@insulationsiouxcity.comAlways open, 24/7.Call us or submit a request today - we respond within 1 business day and every estimate is free and comes with no obligation.
