Your Trusted Insulation Contractor in Madison, WI

Rockweiler Insulation is one of the most trusted insulation contractors in Madison, Wisconsin and the surrounding area.

We put the customer at the center of everything we do.

Our insulation installers have an average of 15 years of service with our company, and they’ve been exclusively trained and certified by leading manufacturer Owens Corning.

From our insulation installers to management, we are committed to providing the best service possible. And if we make a mistake, we fix it. Period.

Have a home comfort or energy issue? We want to improve it. If we determine insulation is not the main concern, we’ll help you determine the right solution.

Rockweiler Team Photo

Our Services

new construction, Rockweiler truck

New Construction

Every project is insulated to meet Wisconsin State code requirements, but we can offer ways to exceed those codes as well.

Attic Insulation

Attics & Air Sealing

Wisconsin winters can be brutal. Attic insulation is critical to your home’s ability to retain heat on a cold night.

Outside of a beautiful house

Existing Homes

An investment in quality insulation and air sealing is the most cost effective way to save money on your monthly energy bills.

Worker in a mask working on a wall insulation

Existing Wall Insulation

Whether you’re building a new home or want to improve the comfort of your current home, you’ll need the best insulation for walls, both interior and exterior.

Basement Box Sill Before or Without Insulation

Basement Box Sill

Proper box sill basement insulation increases the comfort of your home’s main level, helps manage your basement’s temperature, and maximizes your home’s living area.

Inside a crawl space with insulation

Crawl Space Insulation

Without crawl space insulation, your home does not have a barrier between the floor of your home and the earth, with it you can lower your energy costs and keep your family comfortable.

Your Local Certified Energy Expert®:
Trained. Tested. Trusted.

As an Owens Corning® Certified Energy Expert® professional, we work with builders and homeowners alike to help make buildings and homes quiet, comfortable and energy smart. You’ll have peace of mind that your experienced Certified Energy Expert® team is trained, tested and trusted to help make any home or building a better place to be.

Construction worker wearing a mask and safety glasses
Join the Rockweiler team

Join Our Team!

Considering a career in insulation? We pay our installers at an hourly rate rather than by footage. This means our installers take the time to do the job right instead of rushing through an install to get to the next job. We also offer extensive training and certification to help our employees develop in their careers.

One of the most trusted insulation contractors in Madison, Wisconsin and the surrounding area.

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


satisfied customers and counting


insulated homes


years of experience

1.4+ M

square feet of insulation installed in 2022

Client Testimonials

Certifications & Affiliations

CEE Logo
"Madison Area Builders Association" logo
Focus On Energy Logo
Nari Logo
Qualified Contractor ICAA

Schedule your free estimate!