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Serving Superior, WI and surrounding areas. (715) 217-3037
Custom Superior Insulation serves Hermantown, MN with home insulation, spray foam, attic insulation, and blown-in insulation - we have been insulating homes throughout this community since 2018 and respond to every inquiry within 1 business day.
Hermantown homes built from the 1970s through the 1990s were constructed to insulation standards that are well below what Minnesota energy code requires today, and many have original wall cavities that have never been evaluated or upgraded. A complete home insulation assessment covers every zone - attic, walls, basement, crawl space - and maps out a realistic plan for where to start based on where your home is losing the most heat.
With 80 to 90 inches of snowfall most winters, Hermantown attics are under constant stress - insufficient insulation depth combined with heat loss from the living space below is the main cause of the ice dams that damage eaves and gutters throughout this area. We assess current conditions, air seal the attic floor, and bring insulation depth up to the level your climate zone actually requires.
Hermantown sits in the boreal forest zone of northeastern Minnesota, and many homes here back up to wooded lots with high ground moisture. Spray foam insulation in crawl spaces and rim joists handles both cold and moisture simultaneously - closed-cell foam seals against air infiltration while delivering high R-value per inch in spaces where batt insulation fails over time.
Split-level and ranch homes in Hermantown often have attic configurations with knee walls, dropped soffits, and irregular joist spacing that make batt insulation difficult to install correctly. Blown-in cellulose or fiberglass fills these irregular spaces completely, making it one of the most practical choices for older suburban homes in this area.
Homes built in the 1970s and 1980s were not built tight - gaps at the rim joist, around plumbing and electrical penetrations, and at the attic floor let cold air in and heated air out throughout the long Hermantown winter. Air sealing closes those pathways first, so that any insulation added on top actually performs as expected.
Wooded lots and high ground moisture in Hermantown make crawl spaces a persistent source of cold floors and moisture-driven problems. Insulating and vapor-controlling the crawl space keeps the floor above warmer and protects the structural joists from the slow rot that comes with repeated seasonal moisture exposure.
Hermantown sits in one of the snowiest and coldest climates in the continental United States. The Duluth area averages 80 to 90 inches of snow per year, and temperatures regularly fall below 0 degrees Fahrenheit in January and February. Frost depth here can reach 4 to 5 feet underground in a cold winter, which stresses foundations and driveways and drives significant heat demand from homes throughout the region. Minnesota energy code sets high minimum insulation requirements for this climate zone - and a contractor who does not know the local standards may leave your home short of what is actually required.
Most homes in Hermantown were built between the 1970s and the 1990s as the city grew rapidly as a suburb of Duluth. Split-level and ranch homes from this era dominate the housing stock, and they share a common issue: the insulation standards in place when they were built are well below today's requirements, and original fiberglass batts in attics and crawl spaces have had decades to settle, shift, and degrade. The freeze-thaw cycle here is also brutal on building materials - dozens of swings above and below freezing each year push water into cracks in concrete and masonry, making them larger each spring. An insulation contractor who works regularly in Hermantown knows what to look for in this specific housing stock.
Our crew works throughout Hermantown regularly, and we understand the local conditions that affect insulation work here. Hermantown is its own city with its own building department - it incorporated in 1966 and has operated its city government and permitting process separately from Duluth ever since. We pull permits through the City of Hermantown for work that requires them and know the local inspection process so jobs move forward without delays.
The homes we work on in Hermantown are primarily split-levels and ranches set on larger wooded lots north and south of the Miller Trunk Highway corridor. Many sit well back from the road, back up to trees from the surrounding boreal forest, and deal with the ground moisture and debris that come with that setting. Whether your home is in a neighborhood near Hermantown Community Schools or on a larger parcel on the west end of town, we know what the houses out here tend to look like on the inside. We also regularly serve nearby Proctor, MN and the broader Duluth metro area, so your address is never too far out for us to reach.
Reach out by phone or through the contact form and describe what you are noticing - cold rooms, high bills, ice dams, or drafts near outlets or baseboards. We respond within 1 business day and can usually schedule a visit within the same week.
A crew member visits your Hermantown home, inspects the attic, crawl space, basement, and rim joists, and identifies where heat is escaping. You receive a clear written estimate before any work begins - no pressure and no surprise costs added later.
We arrive on schedule, pull any required permits through the City of Hermantown, and complete the work in one to two days for most homes. Your household stays in its normal routine throughout most insulation jobs - spray foam requires a 24-hour re-entry window in the treated area.
When the work is done, we walk the completed areas with you, confirm everything meets spec, and leave the site clean. We answer any follow-up questions and can point you toward available rebates or tax credit documentation.
We serve Hermantown and the surrounding Duluth metro area. No pressure, no surprise costs - just a clear estimate and honest advice.
(715) 217-3037Hermantown is a city of roughly 10,000 people in St. Louis County, situated just west of Duluth along the U.S. Highway 53 corridor. It incorporated as its own city in 1966 and has grown steadily over the past several decades as families looking for newer homes, larger lots, and more space moved out from Duluth while staying close to its jobs and services. The city covers about 36 square miles, and much of that area is characterized by residential neighborhoods set among the boreal forest typical of northeastern Minnesota. Hermantown Community Schools - home of the Hermantown Hawks - is a major anchor of local identity, especially the hockey program. More information about Hermantown is available from the city directly at Wikipedia.
The Miller Hill Mall corridor along Highway 53 serves as the commercial center for both Hermantown and much of the greater Duluth area, with retail, restaurants, and services clustered along this road. Residential neighborhoods spread out in every direction from there - many of them quiet subdivisions with split-level and ranch homes on tree-lined streets. Spirit Mountain, the ski and recreation area just a few minutes away on the western edge of Duluth, is a landmark most Hermantown residents know well. For homeowners further along the regional network, we also serve Duluth, MN to the east and smaller communities like Proctor, MN nearby.
Call us or submit a request today - we serve Hermantown year-round and respond within 1 business day.