Toitures MJ
“Actually more than the customer asked for and explained to us how the previous roof had been done poorly and made all the necessary fixes.”
Best Insulation Contractors near Lac-Brome, QC
None of these contractors is based in Lac-Brome; they work from towns including Granby (27 km), Sherbrooke (52 km) and Foster (10 km).
10 contractors listed · 3 open weekends · 5 rated 4.5+ · 6 show a licence
Data verified October 17, 2026
Isolation SF
“Very professional and above all great service”
Isolation Ecoplus
“The punctuality, knowledge of the product and very good sense of customer service of the owner Erik Brault, is worthy of mention.”
Bourque Isolation LDL
“Excellent service and value for money for the insulation of a wine cellar.”
Doucetconstruction2020inc.
Iso-Cal 2000 Inc
“It's one of the best companies”
The 10 contractors listed for Lac-Brome, 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: Lac-Brome, QC
The 10 contractors on this page are rated from 4.0 to 5.0 across 144 reviews; 1 has 50 or more reviews and 5 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (88%), quality (79%) and value (56%). 3 are open on weekends. 6 show a licence on their websites. Domain records put 5 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 8 of the contractors on this page; 6 publish a contact page and 4 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.
How many listings here have a website?
A website is on file for 8 of the 10 contractors here. Look for the materials they install and whether they do attics, basements or both, because plenty of crews specialize in one. Where there is no site, ask the same questions by phone before booking a visit.
Isolation Raymond Bilodeau
“A huge thank you to Isolation Raymond Bilodeau for their excellent service.”
Isolation IKL
“Very professional and very well done job”
Isolation Nordic
“Very satisfied with their work, I highly recommend this company!”
Isolation RB
“They have just been finished, I am very satisfied with the result and the service in general.”
Why these companies made our list
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