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Advanced Basement Systems
- Informative
- Radon Mitigation
- Technician
“Since the installation, I get a yearly notification from a service team member to book the annual inspection of the crawl space and to service the sup pump.”
Best Insulation Contractors in Chatham, ON
24 contractors listed · 4 in Chatham · 2 open 24/7 · 12 open weekends · 19 rated 4.5+
Data verified October 18, 2026
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Eco Insulation
- House
- Efficient
- Cleaned
“Eco Insulation was great at explaining the issues with pictures they took (though we had checked the attic ourselves by this point) to show us that some of the ductwork had no spray foam and some ductwork did have foam but not enough.”
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Abc Contracting
“Clean up was awesome too, didnt even look like they were at my house.”
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Cutting Edge Insulation
- Team
- Expertise
- Price
“You will not experience any hassles dealing with this insulation contractor, you will not over pay, and most of all you will have a good experience working with this company!”
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Top Quality Insulation Inc.
“He is a friendly guy and made us feel comfortable through the whole process.”
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Climb Your Mountain Insulation/Spray Foam
- Job
- Crawl Space
- Clean
“A couple months later when we had water in the crawlspace they came back to review the work they completed and helped us to get another plumbing issue fixed.”
The 24 contractors listed for Chatham, ON 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: Chatham, ON
4 of the 24 contractors we list are based in Chatham; the other 20 serve Chatham from towns including London (95 km), Wheatley (47 km) and Kingsville (60 km). The contractors on this page are rated from 3.9 to 5.0 across 1,298 reviews; 7 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 (95%), quality (87%) and responsiveness (87%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "cleanliness". 2 are open around the clock; 12 are open on Saturdays and 6 on Sundays. Domain records put 11 websites of the contractors on this page at ten or more years old; the oldest dates from 1997. 2 offer emergency call-outs; 4 offer financing or payment plans; 11 give free estimates; 6 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 23 of the contractors on this page; 23 publish a contact page; 18 list a public email and 1 takes bookings online. 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 Chatham?
No. 4 have an address in Chatham and the rest come from other towns within 100 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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Spraytec Spray Foam Insulation & Basement Waterproofing
“Very Professional to deal with, we hired the team at Spraytec to Insulate our new home with Spray Foam Insulation and we really noticed a difference in the summer and winter on energy bills.”
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Lakeview Roofing
- Morning
- Antenna
- Leak
“Despite issues getting the product I originally chose, and then the next product I wanted no longer available, Rick suggested cedar shingle and my home looks gorgeous!!”
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Heritage Roofing Inc
- Quality
- Job
- March
“Matt came out and gave us a price on a new roof- The guys did a great job, they were professional and after the weather issues this past year very happy with the work”
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Seal Right Insulations Inc.
“Highly recommend if you want a quality spray foam insulation job.”
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Chase Insulation
- Company
“They took their time did a thorough job on all 4 exterior walls and even went the extra mile by spraying along the bottom edge to prevent any critters from entering.”
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Vanos Insulations Ltd
“Good atmosphere creates dynamic crews and productivity .”
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Adam's Industrial Insulations Ltd
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Complete Comfort Insulation
“They were extremely easy to deal with, fair priced and dependable.”
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Gauthier Roofing and Siding
- Communication
- Soffits
“They are comparably priced and I feel going with a company who has done business in our area for many many years, is the one you can trust not only for the job but also for the warranty of that job.”
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Artika Sprayfoam Insulation
- Project
- Spray Foam
- Team
“Great group of guys and as a Home Inspector and Energy Auditor I will be referring to them going forward for all spray foam and blown in attic insulation needs.”
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Net Zero Insulation Inc
- Home
- Rebate
- Crew
“He was super knowledgeable about the current rebates, and ensures that every possible spot in our home was sealed up including a drafty cellar door, pot lights, cracks and holes in a closet.”
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Davidoff Roofing (London) Ltd
- Work
- Price
- Clean
“More expensive than I expected for a small repair, but other places kept pushing me off and never actually came around to deal with it since it wasn't a big job.”
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Accell Roofing Inc
- Questions
- Family
- Shingles
“I can't say enough about how positive my experience was working with Accell Roofing, and I would highly recommend them for anyone in need of a roof replacement.”
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Murray Shaw Roofing
- Price
- Job
“Eric, the President of Murray Shaw, came out to the house several times to observe the progress and his professionalism was outstanding and obviously mirrored by his crew.”
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Skylar Group Ltd.
“I love my new house and all the Reno's you did to improve my houses value.”
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Roofing Services London
- Price
“Top notch, great prices.”
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Canadian Industrial Specialties Ltd
“The customer service representative Christal went out of her way to help me, and direct me to the correct contact.”
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Belform Insulation
Insulation Services in Chatham, ON Cost Estimates
Minimum cost
$676
Maximum cost
$4942
National Average
$2316
Avg Per Hour Rates
$93
$1453
$3344
Typical price range is based on 508 cost profiles
Why these companies made our list
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