Energy Edge
“He came in a timely manner and got every stage of the job done when needed.”
Best Insulation Contractors near Wausau, WI
2 of these contractors are based in Wausau; the others serve Wausau from towns including Schofield (4 mi), Marshfield (6 mi) and Weston (6 mi).
4 open weekends · 10 rated 4.5+ · 3 show a license
Data verified October 20, 2026
Modern Builders & Suppliers
“We built our new home in 2023, and they were a trusted partner, not just a supplier.”
T's Drywall Insulation and Paint
“Not only was T's the best priced, they were also the most specific and detailed with their quote explanation.”
The Spray Foam Works
“He removed all the old insulation, spray foamed what was needed, and blew in new insulation.”
Dun-Rite Exteriors
“Friendly professional service, done in a very timely manner, priced right and done right!”
Yutzy Roofing Service
“We just had the surface cleaned, primed and a new acrylic top coat installed extending the warranty for another 10 years.”
The 11 contractors listed for Wausau, WI insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Wausau, WI
The 11 contractors on this page are rated from 4.4 to 5.0 across 169 reviews; 1 has 50 or more reviews and 10 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise quality (89%), professionalism (82%) and value (71%). 4 are open on Saturdays. 3 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 6 websites of the contractors on this page at ten or more years old; the oldest dates from 2005. 5 give free estimates; 5 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 11 of the contractors on this page; 10 publish a contact page and 6 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Are all of these firms based in Wausau?
No. 2 have an address in Wausau and the remainder come from other towns within 15 mi. Insulation crews travel with a truck and a blower, so coverage tends to be regional. Confirm your address is inside the area they work before scheduling.
Rock Road Company
“They made the effort to get into my location, did a great job removing the old insulation that was there, and an excellent job spray foaming the attic and eves.”
Cornerstone Roofing
“The roof, gutters, gutter guards and a few other projects were done in a timely manner.”
Clearwater Spray Foam
“Luke sprayed my home in Diamond Bluff and did an outstanding job.”
Home Insulation Company
“Professional inspection and estimate followed up with top quality installation and clean up.”
Lonestar Roofing & Construction
“Overall I am very happy with the end result & would definitely recommend Lonestar Roofing & construction to others.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
