Established in 1983, Rockweiler Insulation has become the preferred insulator in Madison, Wisconsin and the surrounding area, specializing in insulation for new and existing homes.

Founder Gary Rockweiler worked at another area insulation company for 13 years before he decided to start his own business. He has provided the vision and leadership to develop Rockweiler Insulation into the company it is today. Gary founded Rockweiler Insulation based on three key principles:

  • Integrity. We are committed to customer service and our team members are empowered to make decisions in the best interest of the customer.
  • Honesty. We believe in doing the right thing, every time.
  • Positive attitude. We believe the right attitude can make all the difference.

Each of our employees is committed to living these principles and our core company values every day.

Today the company is led by Renee Wilson, Gary’s oldest daughter. Renee has been with Rockweiler Insulation since 1990. Renee is an active member of many industry and business organizations including serving on the Owens Corning CEE Board of Directors and as President of the ICAA Board of Directors for 2024. She is a Past President of NARI Madison and advocates for careers for women in the insulation industry.

Renee and Gary look through old photos

Rockweiler Insulation is one of the most trusted insulation contractors in Madison, Wisconsin and the surrounding area. We pay our installers an hourly rate rather than by footage. This means our installers take the time to do the job correctly rather than rushing through an install to get to the next job. And, as a trained specialist in home energy efficiency performance, Rockweiler Insulation has been recognized as the region’s only Owens Corning® Certified Energy Expert®. Through this program we help to ensure builders and homeowners alike receive the best knowledge, workmanship and warranty in the industry. Click here to learn more about the exclusive Certified Energy Expert program.

Our work is dependable, no matter what type of job. Each project is handled on time and on budget, and our team goes the extra mile to ensure it is done right. Contact us — we are ready to serve you today.

"NARI ACE (Achievement in Consumer Excellence Award." logo
Rockweiler Insulation is a BBB Accredited Business in Madison, WI