Moffatt Bros. Roofing Ltd.
“I received quotes from 3 companies to install a metal roof and was very happy that I chose Moffatt Bros Roofing.”
Best Insulation Contractors near Cobourg, ON
1 of these contractors is based in Cobourg; the others serve Cobourg from towns including Oshawa, Peterborough and Port Hope.
6 open 24/7 · 17 open weekends · 23 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Gryphon Extreme Roofing
“Dave answered our questions not only during the initial meeting but as well he was easy to reach whenever we needed to contact him.”
Skytop Roofing & Contracting Corp.
“Adrian was very knowledgeable, efficient and professional when doing a skylight repair for me.”
Penney's Roofing & General Contracting Inc.
“The team showed up within an hour of my call in a storm for an emergency repair and did an amazing job!”
GWC Foam Insulation
“When they did the job, it was done professionally and they explained to us before/during and after they finished what they did.”
Central Ontario Spray Foam
“Brian and his crew from Cosf were on time, under budget, mentioned and fixed other contractors mishaps, did a professional job...”
The 24 contractors listed for Cobourg, 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: Cobourg, ON
The 24 contractors on this page are rated from 4.3 to 5.0 across 1,449 reviews; 9 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (95%), quality (87%) and responsiveness (83%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "cleanliness". 6 are open around the clock; 17 are open on Saturdays and 14 on Sundays. The services the contractors on this page list most often on their websites are roof repairs (3), roof replacement (3), attic insulation (2), roof inspections (2) and skylights (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). 9 have ten or more years of experience, the longest 27 years. 7 offer emergency call-outs; 3 offer financing or payment plans; 15 give free estimates; 6 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; 21 publish a contact page; 18 list a public email and 2 take 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.
Lifestyle Home Products
“Nolan and Josh were professionals taking out old door and installing new door.”
Just Spray It
“They were great to work with, offered an estimate and adjusted the price when less material was used than expected.”
Canada Green Insulation Inc
“I'm highly impressed with this company; the customer journey, from the initial call to the final payment, was flawless.”
Sam Bowers Roofing Inc
“Lots of communication from before the job starts to when the job is finished.”
D & F Insulation
“They suggested the right insulation for the job especially since we had limited access and the results have been amazing.”
RK Flat Roofing
“Best service I've ever received, it's all about customer service and satisfaction.”
Over the Top
“Chris and his team were quick, professional, and did a great job with our roof replacement.”
Dryhome Roofing
“Called Jordan right after it happened and he responded within the hour AND was out the next day to replace the lost shingles.”
Trade-Rep Roofing & Exteriors
“My many questions were always answered in good time and when asked her opinion, Lee Ann was very helpful in suggesting a new shingle colour.”
Ajax Roofing Inc
“I would absolutely recommend them to anyone looking for a new roof!”
R-Value Spray Foam
“We would definitely use them again and recommend them to anyone needing spray foam insulation done.”
Strictly Roofing
“We are very happy with the results and the team answered all of my questions--even right down to the color scheme of my roof (I personally was conflicted between two colors)!”
Jackson Brothers Spray Foam
“We highly recommend Jackson Brothers Spray Foam, they're fairly priced, communicative, and reliable.”
Berkhof's Roofing
“They did a great job, the crew was professional and fast, they did a thorough clean and nail sweep.”
Walker Contracting
“They did Eve's troughing at the side of our house for exactly half the price of the competition with no quality of workmanship sacrificed.”
Canadian Shield Spray Foam
“They spray foamed our basement and was in and out in an afternoon.”
DNM Roofing
“Don and his team were a great bunch of guys, we live in the same town i wanted to support a local business and he gave me a great deal, did a bang up job everything looks perfect, and took the time to explain everything that was being done to the roof, New water and ice underlay, weathertite, gables, new drip edges, new downspouts and attic vents, and IKO products, wouldn't hesitate to recommend him to anyone”
Crowells Roofing
“Great work done replacing, our 13-yr old shingle roof with a Havelock Metal textured roof they had an amazing eye for every detail.”
Why these companies made our list
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