Toitures Joël
“Knowledgeable, good customer service and very nice people, and good prices too!”
Best Insulation Contractors near Joliette, QC
These contractors serve Joliette from nearby bases in towns including L'Assomption, Saint-Esprit and Saint-Roch-de-l'Achigan.
10 contractors listed · 2 open weekends · 8 rated 4.5+ · 6 show a licence
Data verified October 18, 2026
Isolation Majeau et Frère (Bureau Chef)
“We are very satisfied with the work to insulate our attic with cellulose.”
Isolation Maximum Inc.
“Excellent service, hard to ask for better.”
Isolation Sorel Inc
“I have no hesitation in recommending them for my future insulation work!!”
Pincor
Isolation Rochette
“Super professional, really knows his job well and offers a very comprehensive service!”
The 10 contractors listed for Joliette, 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: Joliette, QC
The 10 contractors on this page are rated from 4.0 to 5.0 across 218 reviews; 2 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 (86%), quality (61%) and value (55%). 2 are open on Saturdays. 6 show a licence on their websites. Domain records put 7 websites of the contractors on this page at ten or more years old; the oldest dates from 2005. 1 lists coupons or special offers. We have a website on file for all 10 of the contractors on this page; 7 publish a contact page and 7 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.
Isolation Larente
“Arrived in time, protected everything that was to be protected, cleaned up after, over all a great experience and a job well done.”
ISO Energie Inc
“A great team that is professional and fast!”
Isolation Val-Mers Ltee
Isolation Abri Absolu Inc.
“I had insulation done for clients of mine by Isolation Abri Absolu and I was very well served.”
Why these companies made our list
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