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Norris Roofing
- Eaves
- Job
- Quote
“Previously we had concerns about leak issues between the siding and walls of the house and eaves trough drainage but Rob Jr addressed everything and made sure we were happy.”
Best Insulation Contractors near Ajax, ON
3 of these contractors are based in Ajax; the others serve Ajax from towns including Oshawa (16 km), Pickering (5 km) and Whitby (8 km).
5 open 24/7 · 17 open weekends · all 24 rated 4.5+ · 2 show a licence
Data verified October 16, 2026
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Eastern Eavestroughing
- Downspouts
- Fascia
- Soffits
“We had used Eastern a few years ago to replace our eavestrough/ downspouts and since then Issac has been my go to guy for any concerns over eavestrough/siding or fascia issues.”
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Petevi Foam Insulation
“Hey there, I hired this guys, and they showed up on time, they did their work properly”
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Wilson's Roofing
- Job
- Work
“I had a minor problem that developed recently (unrelated to the original work as it turned out) but with one phone call they sent two workers to investigate and fixed the problem for me without charge.”
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AZ Roofing
- Wind
- Job
- Quote
“He arrived at the arranged time, checked the roof, showed me pictures of the damaged shingles, went to his truck, got supplies and fixed it - all on a Saturday morning!”
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Logik Roofing & Insulation Oshawa
- Vacuumed
- Attic
- Rebate
“What really stood out was their commitment to cleanliness—they not only did a fantastic job but also made sure to clean up any mess they made during the installation.”
The 24 contractors listed for Ajax, 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: Ajax, ON
The 24 contractors on this page are rated from 4.5 to 5.0 across 1,863 reviews; 14 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), quality (85%) and responsiveness (85%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "cleanliness". 5 are open around the clock; 17 are open on Saturdays and 13 on Sundays. The services the contractors on this page list most often on their websites are roof repairs (4), attic insulation (2), roof inspections (2), roof replacements (2) and siding installation (2). 2 show a licence on their websites. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 2002. 6 offer emergency call-outs; 2 offer financing or payment plans; 17 give free estimates; 7 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 24 of the contractors on this page; 22 publish a contact page; 19 list a public email and 2 take 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 Ajax?
No. 3 have an address in Ajax and the rest come from other towns within 30 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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Bros. Roofing
- Property
- Price
- Efficient
“Came on time, Kevin and the entire crew were all extraordinary competence, and work ethics of the team, the high quality of all materials used and the level of care for each phase of the roofing process (from the removal of old shingles to the thorou...”
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Over the Top
- Work
- Job
- Quote
“On the day he and his team replaced the roof, September 20th, 2022, he provided excellent advice on how best to approach a few surprises (worn out roof boards, etc) that we encountered when the old shingles came off.”
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NDS Insulation Inc.
- Team
- Attic
- Questions
“Doing a job properly to a specification is one thing, but having polite, considerate front line people that demonstrate thoroughness right through the attention they paid to clean up makes for a winning team!”
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Guycan Ltd
- Call
- Team
- PVC
“Guycan has provided us with commercial roofing services for numerous rooftop solar installations, providing both full reroof services as well as remediation to older roofs.”
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Dryhome Roofing
- Team
- Job
- Quote
“He noticed the down spout connecting out upper level eavestrough wasn't properly connected to the lower level and offered to fix that, not to mention he came in well below the price point of the other companies we contacted with top of the line shin...”
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C.D. Roofing & Construction Ltd.
- Damage
- Cost
- Garage
“They were not the cheapest, but I've discovered for the reasons mentioned above; you really do get what you pay for and did we ever get our money's worth.”
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Turnbull Roofing & Renovations Ltd
- Price
- Job
- Questions
“I called them again for what I thought was a roofing issue and Darryl came out the same day and gave me an honest opinion and even took photos for me to see another issue which he fixed on the spot.”
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360 Roof
- Quality
- Price
- Word
“I know these are just words, but Keith & his team had to first undo the truly shoddy work from another roofing company who had to be fired part-way and Keith & his team did this swiftly & professionally in a fraction of the time!”
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Global Foam Pros
- Efficiency
- Company
- Price
“They all are very professional, respectful, hardworking , and passionate about the work they do for you as they wouldn't finish until the job was done to much higher than any expectations you could have had.”
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4leaf Property Solutions
- Communication
- Insulation
- Inspection
“Had a great experience with Umair and team, very quick and professional service, the work finished much faster than expected, was able to guide me on the right kind of insulation needed and match the quote from other providers who were suggesting inf...”
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The Same Guys Insulation
- Parents
- Team
- Efficient
“Email alarm in event management and you can do to help and you can see that you have any other questions, you've got the first to the best of just one question to see if I can solve the last question h Y you may not the intended recipient or an updat...”
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Windmill Roofing & Exteriors
- Job
- Shingles
- Leak
“We had to have our whole roof replaced last year as there was severe weather damage as well as the boards under the shingles were completely warped as the builder didn't put any vapor barrier or tar.”
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Eastern Western Construction LTD
- Result
- Renovation
- Team
“Even though Yiannis wasn't on site for most of it, and the workers arrived without a plan or drawings to follow, he was very responsive by text, email and phone, and quickly helped us troubleshoot any hiccups and answer the many, many questions his t...”
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Konstruction Group Inc.
- Job
- Framing
- Quality
“Fadi, Thomas, Lukas and the crew did a superb job; they were very responsive to my queries, timely scheduled the job, completed the job quickly within 2 days, they were patient with floor plan changes during the job execution, contributed valuable id...”
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Home Doctor
- Soffit
- Crew
- Business
“During the pandemic he donated hundreds of dollars of PPE to local non-profit organizations and helped his community fight off developers trying to put huge condo towers on the lakeshore in the path of bird migration and too close to wetlands within ...”
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Top Roof Repair
- Job
- Price
- Work
“What is important in roofing is getting someone with experience who cares about their install, because anyone can do a cheap roofing job and go away - but its important to have a quality job that will last for a long time.”
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Ajax Roofing Inc
“From Caleb's wonderful customer service to Ryan and his crew's professional installation, including the cleanup afterwards…this company is top notch!”
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Doucette B W Roofing
- Quote
- Wind
“Greg has also identified the 'why', we're having the problem (due to poor quality shingle installation in a specific area, from a different roofer), and has provided a very reasonable quotation to address the problem.”
Insulation Services in Ajax, ON Cost Estimates
Minimum cost
$677
Maximum cost
$4953
National Average
$2322
Avg Per Hour Rates
$93
$1457
$3351
Fair price range is based on 475 cost profiles
Why these companies made our list
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