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Toiture Lajoie
“Vigilance and very good work”
Best Insulation Contractors in Thetford Mines, QC
24 contractors listed · 5 in Thetford Mines · 8 open weekends · 19 rated 4.5+ · 14 show a licence
Data verified October 17, 2026
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Isolation de Thetford Inc
“A professional service”
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Toiture Supérieure
- Work
“A dynamic and professional team from start to finish of the work.”
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Construction ARS
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Constructions A.R. Landry Inc
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Isolation AMS Lessard Inc.
“Very happy with the service and I will not hesitate to contact them if I need it.”
The 24 contractors listed for Thetford Mines, 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: Thetford Mines, QC
5 of the 24 contractors we list are based in Thetford Mines; the other 19 serve Thetford Mines from towns including Lévis (78 km), Victoriaville (52 km) and Saint-Nicolas (66 km). 22 of the contractors on this page have a rating, from 3.7 to 5.0 across 666 reviews; 3 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), quality (68%) and value (63%). 8 are open on Saturdays and 6 on Sundays. 14 show a licence on their websites. Domain records put 14 websites of the contractors on this page at ten or more years old; the oldest dates from 2001. 1 lists coupons or special offers. We have a website on file for 22 of the contractors on this page; 14 publish a contact page and 15 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 Thetford Mines?
No. 5 have an address in Thetford Mines and the rest come from other towns within 90 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.
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Isolation Franco Inc
“In fact much more than the signed application or contract.”
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Isolation Weedon Inc
“Thanks to Sylvain and his colleague.”
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Morin Isolation Enr.
“And lots of parts to repair old wood stoves!”
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Isolation J G Inc
“During their visit, they took the time to fully understand the needs and the application of the product was done according to the rules of the art.”
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Isolation Victoriaville Inc
“Very good and reliable service”
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Isolation Bois-Francs Inc
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Isolation Expert
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Toit Tech Expert 2010
- Team
- Hands
- Labor
“Hi everybody , if you looking to add security and protection for your house and property you need professional service,they use a technology where no cleaning is necessary !”
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Toiture Rhino
- Team
- Entrepreneur
- Cost
“The employees are polite, they work efficiently, they clean everything after their visit and they did not break my flowerbeds (which was one of my fears).”
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Isolation Idéale Inc
- Price
“Work carried out: Blown wool insulation in attic and urethane on edge joists”
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Pro Énergie Tech Inc.
- Service
“Very well received and good service.”
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Daharpro Construction Inc.
“Great service!”
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Cote Isolation Inc
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Isolation TT
- Book
“Very nice job, attention to detail”
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Isolation Isabel
“Good service”
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Isolation Tex Fab 99
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Isolation Beauport
- Technician
- After Sales Service
- Clean
“A big, excellent thank you for the more than competent personal work, perfect installation, to the installers as well as the electrician, I will not hesitate to recommend you.”
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Toitures Paradis
- Mood
- Trust
- Color
“Thank you to the entire Toiture Paradis team for your job well done from start to finish, Samuel for the estimate of the work, Phillipe the jovial and very competent owner, as well as all the workers singing on the roof and working professionally.”
Insulation Services in Thetford Mines, QC Cost Estimates
Minimum cost
$661
Maximum cost
$4836
National Average
$2267
Avg Per Hour Rates
$91
$1422
$3272
Typical price range is based on 403 cost profiles
Why these companies made our list
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