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From Small Local Crew to a Trusted Insulation Partner:

The Beginning of Ultimate Insulation

The Beginning Of Ultimate Insulation &Ndash; Ultimate Insulation

Ultimate Insulation uses Nu-Wool Premium Cellulose Insulation to provide an environmentally clean option for insulation. Nu-Wool wet spray insulation is among the best on the market and our installers use it to create a durable seal in homes and buildings.  Our team specializes in Nu-Wool Premium Cellulose wet spray in new construction and creating air tight seals with retrofitting in existing homes or buildings. We install the best insulation materials on the market and we are proud to provide a “green” experience. If you have insulation needs, contact Ultimate Insulation to get the job done!

Our Mission

To deliver energy-efficient insulation systems that enhance comfort, improve indoor air quality, and reduce utility costs.
At Ultimate Insulation, we believe every home and business deserves proper protection from harsh Wisconsin temperatures.

Whether it’s spray foam insulation, attic upgrades, Nu-Wool cellulose applications, or full insulation removal and replacement, our team ensures every project meets the highest standards. We’re committed to helping La Crosse property owners enjoy cleaner, safer, and more efficient spaces year-round.

&Ndash; Ultimate Insulation

Our Process

Simple. Transparent. Insulation Done Right.

Every Ultimate Insulation project begins with a clear plan and ends with dependable, high-quality results. Our step-by-step process ensures your home or building gets the right insulation system without surprises or delays.

We Inspect &
Diagnose

Your insulation technician performs a detailed inspection of your attic, walls, crawl spaces, or new construction site. We identify heat loss issues, moisture concerns, ventilation problems, and areas needing improvement. This allows us to recommend the right insulation solution for your property.

Customized
Plan

Once the inspection is complete, we design a personalized insulation plan based on your structure, energy needs, and budget. Whether it’s spray foam, Nu-Wool cellulose, or traditional attic insulation, we provide clear recommendations that follow local codes and deliver long-term comfort.

Professional
Installation

Our licensed and insured insulation technicians handle every project using premium materials and proven installation methods. We work neatly, efficiently, and with careful attention to detail to ensure your insulation is installed correctly the first time.

Final Inspection & Satisfaction

Before we consider any project complete, we perform a thorough final inspection to ensure your insulation is performing as it should. We review every detail, answer any last questions, and make sure you’re fully satisfied with the results.

FAQ

Insulation FAQS: Answer from the experts

Got questions about insulation, energy efficiency, or the installation process? You’re not alone. We’ve gathered the most common questions homeowners and business owners around La Crosse and nearby Wisconsin areas ask when planning their insulation projects.

Explore our FAQs below to get clear helpful answers from the Ultimate Insulation team.

WHAT INSULATION SERVICES DO YOU OFFER?

We provide spray foam insulation, attic insulation, Nu-Wool cellulose insulation, new construction insulation, insulation removal, and complete energy-efficiency upgrades for homes and businesses.

Yes. Ultimate Insulation is fully licensed and insured to operate in Wisconsin, ensuring safe and compliant service.

Yes. We safely remove damaged, moldy, or outdated insulation before installing new material.

We proudly serve La Crosse, WI and surrounding communities.

Most projects can be completed in one day depending on size. Larger homes and new construction projects may take longer.

We use top-grade materials, follow strict building standards, and focus on long-term performance—not shortcuts. Our team is thorough, respectful, and committed to cleaner homes and lower energy bills.

Absolutely. Our team is experienced, background-checked, and trained to work safely and respectfully in every home.

What Our Customers Say

Our insulation specialists use advanced equipment and proven techniques to seal air gaps, improve energy efficiency, and enhance indoor comfort year-round. With Nu-Wool’s exceptional thermal performance and our expert installation, your home stays quieter, more comfortable, and more energy-efficient — all with minimal mess and maximum peace of mind.

Customer Reviews
4.9 Over 37 Reviews
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David Bechtel 4 months ago
100% satisfied the workers were very professional , The work done In my garage Exceeded my expectations .
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Wade Wilson 5 months ago
Quintin’s Team Nate & Roberto did a great job spraying our basement walls with insulation. They cleaned up afterward and I look forward to the lower heating bills!
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Dave Geier 5 months ago
Ultimate insulation did my new shed with spray foam one walls and attic was done with 1” foam and covered with r50 cellulose . My shed stays 40 on the coldest days of the winter I would recommend them to do all future work. Quintin was very knowledgeable and very hard worker he spray foam the 45x48x16 all in one day and blew the attic the next he worked daylight to dark by him self
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Em 5 months ago
Roberto and the guys did a great job on our garage. Only took a few hrs from start to finish and they cleaned up the area when they were done. Much appreciated!
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Angela Mondloch 5 months ago
They did great with our home insulation. Very friendly, responsive, and even helped fix a few things they found along the way. Not only that, we can't believe how well it's keeping the heat and humidity in compared to last year at this time.
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Robin Weeth 5 months ago
Insulation was needed in a crawlspace in the basement. The insulation in the crawlspace was falling down and leaking cold air. You could smell the Earth in the basement, especially when it rained.

Masson and his team Maddox and Quentin did an outstanding job. I would hire them again to do my next insulation job for the house.
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Robert Ruprecht 5 months ago
We had ultimate insulation replace our entire old attic insulation. What an incredible company! From the first phone call with Quentin, we were impressed. He was extremely knowledgeable and explained everything. He responded very quickly with every call and text. The entire team made the process clean and easy. Ron, Nate, Roberto, Dylan and Parker were the utmost professionals. We simply cannot say enough about this company! During these times when customer service seems to be dead, these guys gave me back some faith that there are still great companies out there.
Based on all my experience with them, I HIGHLY recommend them and I know they will be there for us if we need anything from them in the future.
Rob
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Kiley Mondloch 5 months ago
These guys did a great job cleaning, sanitizing and insulating our attic and fireplace! We're already noticing less drafts blowing in and the heat and humidity actually retaining in the house.
Mason and Maddox were easy to work with from the inspection throughout the finished project. They were informative and answered any questions we had.
Quinten was great to work with and even helped with a couple things that were outside the scope of insulation work.
Parker and Ron did an awesome job with the attic and kept me informed of any issues (as well as remedying the issues) they ran into along the way!
From start to finish, Ultimate Insulation was great to work with and it was all done within 2 weeks!
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Bryan Trainor 5 months ago
Ultimate Insulation exceeded our expectations! Quintin, Nate, Roberto, and Ron were the guys who made it all happen on site and Mason and Quintin were there from start to finish assuring we had all of our questions answered! They were professional, efficient, and truly went above and beyond to get the job done right. They kept our home clean throughout the entire process, were incredibly kind and courteous, and made everything feel easy from start to finish. Excellent communication, great workmanship, and an overall outstanding experience. Highly recommend this team!
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Need Professional Insulation in La Crosse, WI?

Your home deserves insulation that performs year-round. Whether you need spray foam insulation, attic upgrades, Nu-Wool cellulose, new construction insulation, or insulation removal, Ultimate Insulation is the team you can rely on.

Upgrade your home’s comfort and energy efficiency—contact us today.

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