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Make your home warmer and more efficient

Rockweiler Insulation serves homeowners and builders in southern Wisconsin. Fiberglass, cellulose, foam insulation, air sealing, insulation removal, batt and blow-in insulation. Insulation for new homes and existing homes.

Insulating & Air Sealing Equals Money in the Bank!

Air sealing helps heated and cooled air stay inside your home by closing the gaps that leak air. Investing in your home's insulation and sealing air leaks is like putting money in the bank!

Our installers are well-trained and experienced.

Quality workmanship and superior customer service are very important to each and every one of our installers. Their philosophy when they are insulating your home is to operate with the "3 Cs - clean, careful, and courteous".

 

About Rockweiler Insulation

About Rockweiler Insulation

The only Owens Corning Certified Energy Expert in southern Wisconsin. Rockweiler Insualtion installs new home insulation and upgrades insulation in existing homes. Services include air sealing, attic insulation, wall insulation, crawl space insulation, basement box sill insulation to help warm a cold basement, energy audits and more. Locally owned with some of the area’s most experienced installers. New home insulation packages available.

Learn more about Rockweiler

Customer Testimonials

  • "Now that the temps are turning, I can totally feel the difference in my home after having Rockweiler Insulation do the insulation in it! Seriously...my home feels warm in the morning and when I come home in the evening----and I've yet to even have to turn the furnace on yet. Huge difference from before. THANK YOU ROCKWEILER INSULATION!!!”- Wendy, Homeowner
  • "Rockweiler Insulation provided insulation for my new construction home and they did a great job. Our heating bills have been very reasonable and the home seems to hold heat for a long time once the furnace is shut off. Locally owned and operated. Excellent service and experience overall! Highly recommended!" - Jeff, Homeowner
  • "Rockweiler insulated my first home 25 years ago so I called them for reinsulating my current home when I remodeled 20 years ago. Hard to tell the difference between insulation companies at that point but [Rockweiler had recently] reinvented [their] business... it is outstanding for customer service. We did more remodeling this spring, standards have changed, and I wanted them to "top up" above the remodeled area. The estimator put on booties (impressed) when he walked in, climbed into the attic and pointed out that it didn't need much insulation but suggested more air chutes for ventilation, boxing the can lights we had installed and taping a wall to prevent air infiltration. Things I hadn't even thought of and he explained why each would help with heat loss. So then I dragged him into the basement to look at the box sills with original fiberglass insulation in them that mice seem to use as doorways. They scheduled, at our convenience, one crew to do both jobs, showed up on time, rolled out the canvas ahead of them and cleaned up after themselves. Then the basement project to foam the sills and out of the house on schedule. A great customer service experience, reasonable prices and the mice haven't come in since!" - Homeowner
  • "Rockweiler added insulation to our attic. We have a house that is 40 years old, and I was certain the attic wasn't where it should be. They did the job in a short time and left the house in great shape - I even had to call them to be sure they had come. We saw an immediate change in our energy bills. Within just a few months of savings during the heating season, we paid for the job. They staff was very nice and I would definitely recommend them to my family and friends." - Homeowner
  • "Rockweiler did an excellent installation, and made a particular effort to complete the work on a schedule that allowed me to maximize my eligibility for energy rebates."    - David, Homeowner
  • "The job went very good. The expert that came out to write up the bid was extremely knowledgeable and took the time to thoroughly inspect the attic and basement; this was part of a Green Madison, Focus On Energy project and he took the time to look over the scope of work document and checked on the findings in the document. I don't have a very big attic so the job only took about 3 hours. Even though this was a small job, they took the extra time to answer my questions, and treated me like a valued customer. They were very familiar with the Focus on Energy project and I instantly had a $460 credit applied to my statement and I didn't even have to fill out any extra paperwork."
  • "From the estimate to the finished work, I could not have been more impressed with their professionalism. They were so attentive to doing a great job without recommending work that did not need to be done. Their honesty and integrity were excellent. They definitely exceeded my expectations. I would highly recommend them to anyone. They left my house so clean, not a trace that any work had been done."
  • "When I choose a sub-contractor for my homes, I focus on quality work and materials. If a sub doesn't meet my needs, I will not use them. Since 1996, Rockweiler Insulation has been my insulation installer. They are up to date with the latest techniques and use quality materials. They have always been on time and stuck to my schedules, whether I am building new construction or remodeling. Gary and the crew have always done first class work. Keep it up!" - Tom Forster, Forster Construction, LLC
  • Gary, this is the third time that I have needed your services and I'm continually amazed at the professionalism and friendliness of your team. Thanks to Pat & the installers.
  • I am very pleased with the work your two crews did… on the attics and today on the basement sill boxes. I'd be happy to be a reference if ever needed.
  • Thank you very much for your caring service - all of you. I know Pat had extra duty speaking with my friends, calming my own fears. The two "worker bees" were careful considerate and went the extra mile.
  • The workmen were very courteous and hard working. They left the house and yard in good clean condition. I hope I can complete the remaining part of the job by the end of summer. Thank you for a job well done.
  • Thanks for all your hard work! As I told Pat when he stopped by on Friday, I've already seen my heating bills drop by $10 a month - and that was after doing [just] the attic! I hope to realize even greater savings when MG&E reassesses my account in July.
  • The two young men were very polite and accommodating! They were very neat.
  • It was a pleasure doing business with you. I appreciate you fitting me in your busy schedule. Your workers were conscientious and courteous. Thanks so much. Time will tell how much it will help the pocketbook but it has already made the house feel warmer.
  • Thank you for the insulation work on our attic. The workers did a good job and were very respectful.
  • Thank you so much for your great work! Aaron and Nick were prompt, courteous and very professional. I'm very happy I chose Rockweiler.
  • We recently completed the Home Performance post improvement testing for [a Rockweiler client]. The annual energy consumption for heating and cooling is estimated to have dropped by 31%. The annual energy cost is estimate to have dropped by 24%. Carbon dioxide emissions were reduced by approximately 17%. NOx emissions were reduced by approximately 10%. Air leakage was reduced by 40%.The homeowner was very pleased with the work performed by Rockweiler and the results of the testing.
  • I had Rockweiler Insulation put blanket insulation in my attic in February 2006. My heating usage dropped 54 gallons in 2006/2007 and 60 gallons in the 2007/2008 heating season.

    There is also a noticeable sound deadening from cars and trucks and other outside noises. I am sure my electric consumption has also dropped from the heat and air conditioner not running as much.

    Why Rockweiler Insulation:
    • When they bid the job they advised me of what needed to be done so that the installation would be done correctly.
    • After they bid the job there was no upsale or add ons.
    • The installers showed up at the time and date specified.
    • The job was done correctly and quickly.
    • They were respectful of my home by wearing clean boots and making the least mess possible.
    • When they were finished they cleaned up any messes made and left the house as if they were never there.
    We are happy with the job done and would recommend Rockweiler Insulation for any needs you may have.
  • I want to thank you for the excellent service Rockweiler [Insulation] performed at my home. The workers were very professional, the arrived at the time promised and did the work in an excellent manner. They also protected the carpet and cleaned up when they left. Your firm has been the best of all the workmen we have had at our home.
  • We would like to take this opportunity to commend two employees of your company. On November 26th, 2008 we had attic insulation upgraded by Larry & Roberto. The house has a cathedral ceiling with a sharply sloped roof, which makes getting around in the attic a challenge at best. Your employees were very thorough and professional, and went the "extra distance" to make sure the job was done properly. They were also very informative and explained why we were losing so much heat in certain areas and how they corrected it.
    Overall, our experience with Rockweiler [Insulation] was very positive. We will not hesitate to recommend your company to family and friends. Please extend our thanks to Larry & Roberto for a great job.
  • Thanks for your very good work. Everyone was very engaging and professional.
  • We are very pleased with your technicians from estimate to job completion. We clearly appreciate their hard work in making our home more energy efficient.
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