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Serving Superior, WI and surrounding areas. (715) 217-3037
Custom Superior Insulation is a licensed Insulation Contractor serving commercial properties in Superior, WI with spray foam, blown-in, and rigid board insulation. We have completed commercial insulation projects across Douglas County and respond to new inquiries within one business day.
Wisconsin requires commercial insulation work to meet the state energy code. We pull permits, coordinate inspections, and give you a written proposal before any work starts.
Superior regularly sees temperatures well below zero for weeks at a time. Insulation slows how fast your building loses heat, which means your heating system runs less and your monthly bills drop. Buildings that have never been properly insulated can see significant savings after the first full heating season.
Lake Superior humidity works its way into older commercial buildings through every gap it can find. Properly installed insulation paired with the right vapor barriers keeps moisture from condensing inside wall cavities, which is what causes mold and long-term structural damage in this climate.
Cold corners, drafty hallways, and areas that never warm up are signs of missing or inconsistent insulation. After a proper installation, heat distributes evenly so every part of the building holds temperature without the thermostat working overtime.
Wisconsin enforces a commercial energy code based on ASHRAE 90.1. Any permitted insulation project must meet those minimums. We make sure every job passes inspection, not just looks finished, so you have no loose ends if you ever sell, refinance, or need to file a claim.
Heating bills climbing every winter
If your gas or electric bills keep rising even though your usage hasn't changed, poor insulation is one of the most common causes. In Superior's climate, a building losing heat through walls or ceilings is working your heating system overtime every day of the heating season.
Cold air near walls, outlets, or windows in winter
Hold your hand near exterior wall outlets or window frames on a cold day. A noticeable chill means cold air is getting in, which means heat is getting out through the same gaps. That is a fixable problem.
Uneven temperatures room to room
If one area is comfortable while another is always cold in winter or hot in summer, the building likely has inconsistent or missing insulation. Older Superior commercial buildings often have this problem because insulation was added piecemeal over the decades.
Frost, condensation, or moisture on interior walls
Superior's lake-effect humidity combined with extreme winter cold creates conditions for moisture to condense inside walls when insulation is inadequate. Frost on the inside of an exterior wall or persistent condensation near the ceiling needs to be addressed before it becomes a structural problem.
Building is more than 30 to 40 years old with no insulation history
Much of Superior's commercial stock was built before modern energy standards existed. If your building has never had an insulation upgrade, it is almost certainly underperforming and costing you more to heat and cool than necessary.
The right material depends on your building, its age, and what problem you are trying to solve. We do a proper on-site assessment before recommending anything.
The top choice for sealing air leaks in older commercial buildings. It fills gaps completely and also acts as a moisture barrier, which matters in Superior. Closed-cell spray foam is used where moisture resistance and high R-value in limited depth are both needed. Learn more about our spray foam insulation service.
Cost-effective for attic spaces and wall cavities that are difficult to reach, especially in older buildings with irregular framing. Works well as a retrofit where you need to add insulation without opening walls.
Used on exterior walls, rooflines, and below-grade areas. For moisture-prone zones, a crawl space vapor barrier paired with the right insulation keeps ground moisture from working into the building structure.
We ask a few questions about your building: type, age, and what problem you are trying to solve. This tells us whether a simple upgrade will work or whether a more thorough on-site assessment is needed before we can give you an accurate quote. We respond to all new inquiries within one business day.
We visit your building before quoting the job. We look at existing insulation, check for air leaks, assess how accessible areas are, and identify any moisture or structural issues. After the visit, you get a written proposal that spells out what material will be used, where, and what the total cost will be. If a permit is required, we explain that process and handle pulling it.
Before we arrive, we give you a checklist of what to clear or move. Some areas may need to be temporarily unoccupied depending on the material being used. We can often phase the work or schedule during off-hours to minimize disruption to your operations.
The crew works through the areas in the proposal. Once the work is done, we walk through the completed areas with you and point out what was done and why. If a permit was pulled, we coordinate the inspection and are present for it. You leave with a clear understanding of what was installed.
No pressure, no obligation. We will visit your building, assess what it needs, and give you a written quote before any work begins.
(715) 217-3037Moisture control is critical in commercial buildings near Lake Superior. A vapor barrier prevents ground moisture from reaching insulation and structural components.
Learn MoreClosed-cell spray foam provides the highest R-value per inch and acts as both insulation and moisture barrier, ideal for commercial applications.
Learn MoreCall us or request a free estimate online. We respond within one business day and pull all required permits on your behalf.