Toit Tech Expert 2010
“Listening to our needs, reliable and honest, we are very proud of the work carried out.”
Best Insulation Contractors in Sherbrooke, QC
10 contractors listed · 8 in Sherbrooke · 3 open weekends · 6 rated 4.5+ · 6 show a licence
Data verified October 16, 2026
Isolation Raymond Bilodeau
“They did a great job and very nice to have work for me👍 …”
Isolation Laperle
“Other companies might have stretched what was in the attic so they wouldn't have to come back, but they came back the next day to do a quality job.”
Isolation Normand Fortier Inc
“A job well done by empathetic and helpful people.”
Indusco Isolation Inc
Toitures De l'Estrie Inc
“A dynamic and human team, who took the time to answer my questions.”
The 10 contractors listed for Sherbrooke, QC insulate attics, basements, headers and crawl spaces. Details under each one about materials, hours and advertised services are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Sherbrooke, QC
8 of the 10 contractors we list are based in Sherbrooke; the other 2 serve Sherbrooke from Danville (44 km) and Weedon (44 km). The contractors on this page are rated from 4.0 to 5.0 across 165 reviews; 1 has 50 or more reviews and 6 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (89%), quality (66%) and punctuality (42%). 3 are open on weekends. 6 show a licence on their websites. Domain records put 4 websites of the contractors on this page at ten or more years old; the oldest dates from 2008. We have a website on file for 9 of the contractors on this page; 8 publish a contact page and 5 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 Sherbrooke?
No. 8 have an address in Sherbrooke and the rest come from other towns within 45 km. Rig and hose mean these crews cover a wide area from one yard. Ask whether your address falls inside the zone they work without a surcharge.
Isolation RB
“I recommend this company, they came to insulate my attic, they did a meticulous job, took the time to answer the question, they are professionals, and very friendly.”
Isolation Trans-Canada
“For attic insulation, job well done, the price as an estimate, not long delivery time, very satisfied, thank you!”
Isolation Weedon Inc
Isolation Expert
Why these companies made our list
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