Gryphon Extreme Roofing
“After evaluating several roofing companies, we chose Gryphon Extreme Roofing because of Dave, who visited us and provided a thorough and clear explanation of the entire process.”
Best Insulation Contractors near Port Hope, ON
3 of these contractors are based in Port Hope; the others serve Port Hope from towns including Oshawa, Peterborough and Whitby.
6 open 24/7 · 16 open weekends · 23 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Skytop Roofing & Contracting Corp.
“Throughout the entire process Adrian explained every step of the way providing pictures of a through inspection and 3 different detailed quotes with competitive pricing.”
Penney's Roofing & General Contracting Inc.
“Matt is well informed and can clearly explain both the materials and the process that will be used when refinishing a roof.”
Moffatt Bros. Roofing Ltd.
“Moffatt successfully completed the roof and took down two old chimnies which were falling apart within 7 days, dispite some very poor weather conditions.”
GWC Foam Insulation
“If you're looking for a company with competitive pricing, quality products/installations and seamless communication call Josh and his team, you won't be disappointed!”
Central Ontario Spray Foam
“Super professional, always responding to any questions we had and did an incredible job spraying our home!”
The 24 contractors listed for Port Hope, 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: Port Hope, ON
The 24 contractors on this page are rated from 3.9 to 5.0 across 2,286 reviews; 14 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 (94%), quality (86%) and responsiveness (85%). 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; 16 are open on Saturdays and 15 on Sundays. The services the contractors on this page list most often on their websites are attic insulation (4), roof repairs (3), spray foam insulation (3), basement insulation (2) and blown insulation (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). 11 have ten or more years of experience, the longest 27 years. 7 offer emergency call-outs; 4 offer financing or payment plans; 17 give free estimates; 9 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the contractors on this page; 20 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
“Brad went though everything with us on the last day and, patiently, answered all our questions.”
Canada Green Insulation Inc
“There prices are very competitive and they came in a few hundred dollars less than others”
Sam Bowers Roofing Inc
“They installed the roof in 2013 and now nearly 8 years later still quick to respond and completed a minor repair free of charge even though we are 3 years past the workmanship warranty.”
Jackson Brothers Spray Foam
“It was refreshing to deal with a contractor that answered inquiries promptly and followed through with his promises.”
D & F Insulation
“Professional service is exactly what we got from D&F Thank you for a job well done!”
RK Flat Roofing
“Provided excellent knowledge base, honest assessments of materials.”
Durham Insulation
“Tom and his team were responsive, professional and did a clean, efficient and quick job at removing our attic insulation.”
Wilson's Roofing
“His coworkers, Shawn and Luke ( plus one other installer) were very attentive and kind to my Dad, completing the job with no mess or hassle.”
Logik Roofing & Insulation Oshawa
“They took before and after pictures to show me for my satisfaction and let me look the the attic after the work completed”
J&J Insulation Inc
“During and upon completion of the job, the team cleaned leaving my home very neat which I appreciate very much given the type of job.”
Over the Top
“He explained to me exactly what he was going to do and explained to me his quote and answered any questions that I had.”
Just Spray It
“His team completed the work in a very professional manner, as quoted, and left the site extremely clean and ready for the next steps.”
Dryhome Roofing
“I appreciate you were quick to reply and come out to inspect the job and finish everything all in one go.”
Trade-Rep Roofing & Exteriors
“Yes, Lee Ann and Bill ARE that good, stellar in fact, with thorough professionalism and patience standing out.”
C.D. Roofing & Construction Ltd.
“Darryl came the next day, identified the problem and fixed it as well as the flashing on the dormer window which had pulled away.”
Turnbull Roofing & Renovations Ltd
“From our initial contact with Turnbull Roofing & Renovations to the completed roof was nothing but exceptional.”
Windmill Roofing & Exteriors
“Mike and his team did a great job and we were impressed with the underlayment that was installed beneath the shingles.”
Ajax Roofing Inc
“They did a great job on the roof and the clean up!”
Why these companies made our list
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