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The Roofman Inc
- Leaking
- Job
- Sales
“They were prompt, professional, and only replaced what needed to be replaced based on their professional experience, which helped to keep our costs down.”
Best Insulation Contractors near Woolwich, ON
These contractors serve Woolwich from nearby bases in towns including Kitchener, Waterloo and Guelph.
24 contractors listed · 2 open 24/7 · 10 open weekends · 19 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
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Webcon Roofing
- Quote
- Crew
- Quality
“On the second day of work, the air compressor failed, but Jeff, Nicky and Drew quickly got a backup to the site, and worked into the evening on a Friday, until the roof was sealed.”
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RPM @ Home Team Golden Horseshoe
- Inspection
- Door to Door
- Mold
“The crew who replaced the bafflws and sprayed the insulation into the attic space were professional, polite and i can't say enough how happy we were with the work”
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Fase Two Insulation
- Spray Foam
- Quote
- Job
“From my initial meeting with Jon to scope and quote my basement, where Jon was extremely helpful in breaking down my options and helping me understand the impact of their offerings, to the direction he provided with government energy grants that were...”
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Rick Macdonald Siding
- Quote
- Product
- Work
“These two took the time to explain the process and the product they were installing (eaves trough and leaf guard) and how everything would connect to each other and where all the down spouts would go.”
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Hy-Grade Steel Roofing
- Warranty
- Winter
- Job
“Its design improves rain runoff and the provision of a gap between the existing and new roof, with additional insulation, has greatly reduced the third floor heat load due to the summer sun.”
The 24 contractors listed for Woolwich, 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: Woolwich, ON
The 24 contractors on this page are rated from 4.0 to 5.0 across 1,608 reviews; 9 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 (91%), quality (82%) and responsiveness (73%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "cleanliness". 2 are open around the clock; 10 are open on Saturdays and 5 on Sundays. The services the contractors on this page list most often on their websites are spray foam insulation (3), attic insulation (2), insulation removal (2) and siding (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). 8 have ten or more years of experience, the longest 28 years. 2 offer emergency call-outs; 4 offer financing or payment plans; 15 give free estimates; 1 is family- or locally-owned and 3 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 1 takes bookings online. 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 24 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.
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Reitzel Insulation
- Spray Foam
- Work
- Clean
“This company did a great job adding more insulation to our attic a few years ago and working on a vent pipe leading outside from our upstairs bathroom fan.”
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A1 Pros
- Choice
- Project
- Job
“A1 was professional from start to finish, I really appreciated there was no mess after the work was done and more importantly now I have the best looking house on the street.”
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Superior Steel Roofing Systems Inc.
- Weather
- Peace
- Sales
“On the day of install - the crew (Cory, Igor, Larry) led by Cory were industrious, personable and professional both in their interactions and attitude to the 'work'”
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Reuter Roofing
- Shingles
- Water
- Price
“Both Rick MacIntosh (estimator) and Cory Reuter (owner) met with us during the estimate/pricing/quoting process and stayed in touch with us while their team installed our new roof.”
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Quality Care Roofing Inc.
- Quote
- Roof Installation
- Couple
“Ken helped us with the roof leakage, he sent Howard (his foreman) smart crew, fast, efficient, highly professional and we highly recommend Ken for any roofing jobs.”
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NGR Roofing Solutions
- Questions
- Clean
- Quote
“From start to finish, Miguel was very thorough and professional; he patiently and kindly explained the roofing process and answered any questions and concerns we had.”
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R M W Exteriors Inc
- Product
- Work
- Team
“The crew was thoughtful, curteous, mindful about going through to find any nails or sharp pieces on the ground so my dogs wouldn't hurt themselves when they came out.”
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LP Platinum Roofing & Exteriors
- Eavestrough
- Project
- Clean
“We chose the 50 year warranty package, which is 100% transferable to the next owner and took advantage of having R60 insulation blown into our attic while the roof vents were off.”
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Stevenson Insulation Inc
- Cleaning
- Price
- Attic
“The team at Stevenson was very helpful, professional and did an amazing job on my new build and providing much needed insulation to my existing covered porch and extension.”
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Berwick Insulation & Roofing
- Winter
- Home
- Price
“They will genuinely recommend you with the right steps to take for your roof and ensure that you will have nothing to worry about for a very long time.”
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Enerliv
- Company
- Communication
- Job
“Insulated my attic to R60 and house is warm and comfortable in this cold winter!”
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Mallard Home Services
- Quality
- Price
- Team
“Jordan and his crew were great and given the Coivd crisis going on were understanding and respectful of all social guidelines that needed to be followed.”
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Horizon Contracting
- Company
- Crew
“Horizon Contracting upgraded the insulation and air sealing in my attic 2 weeks ago to eliminate all the icicles that were pulling the eavestrough off my house.”
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J. Morrison Roofing
- Crew
“I watched him do a roof on a cottage once on a hot day, All in all the response to the finished roof was that it was the best one that the cottage had ever had, as it was it's 3rd roof.”
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A.j.mac Enterprises Roofing
“Will definitely be calling them in the spring for a new roof.”
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Apex Insulation Inc
“Best company ever👍 …”
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Super Sprayers
“Great company and great crew, very professional.”
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Strong Foam Insulation
“I've been building custom homes for 2O years and have never had such a great experience.”
Insulation Services in Woolwich, ON Cost Estimates
Minimum cost
$661
Maximum cost
$4832
National Average
$2265
Avg Per Hour Rates
$91
$1421
$3270
Typical price range is based on 369 cost profiles
Why these companies made our list
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