Systèmes Sous-Sol Québec
“What started out as a very daunting project for us was completed very efficiently by Fiston and the Sous-sol Québec team.”
Best Insulation Contractors near Saint-Eustache, QC
These contractors serve Saint-Eustache from nearby bases in towns including Saint-Jérôme, Laval and Saint-Laurent.
10 contractors listed · 2 open weekends · 8 rated 4.5+ · 4 show a licence
Data verified October 18, 2026
Toitures Aubin
“Following a major ice problem in winter, we asked for help from Toiteurs Aubin who redid our entire roof: structure, insulation and membrane.”
Couvreurs Demos Roofing Inc
“Demos roofing met my needs in the most honest way possible when other contractors were trying to sell options I didn't need.”
Isolation Multi-Services
“As much for my business as my home, the work was impeccable!”
Garage Outfitters
“When we met with Andrew, he explained the process and his team delivered above our expectations.”
Atelier Les Isolations Maupi
“I am 100% satisfied, I have only good comments to say about Maupi Isolations and I will not hesitate to recommend it to anyone who wishes to hire an insulation company.”
The 10 contractors listed for Saint-Eustache, 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: Saint-Eustache, QC
The 10 contractors on this page are rated from 4.1 to 5.0 across 953 reviews; 4 have 50 or more reviews and 8 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (90%), value (71%) and punctuality (69%). 2 are open on weekends. 4 show a licence on their websites. 3 have ten or more years of experience, the longest 19 years. 1 gives free estimates. We have a website on file for all 10 of the contractors on this page; 7 publish a contact page and 6 list a public email. We count these figures across the contractors on this page; 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 all 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.
Toitures et Impermeabilisation Trans Canada
“Had very pleasant interactions with Franscesco and Kevin when they came to renovate my industrial roof in LaSalle.”
Uréthane Supérieur de Québec Inc.
“They carried out the insulation and soundproofing of the structure of my building.”
Gestion S.L.
“We are more than satisfied with the work, the deadlines and the price!”
Isolation MGV
“We were very satisfied with the quality of the work carried out by Mathieu and his team (Isolation MGV) for the insulation work on our house in Saint-Sauveur.”
Why these companies made our list
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