C.D. Roofing & Construction Ltd.
“After calling, speaking with Ryan at CD Roofing, we discussed the problem, in detail provided all of the options including approximate cost.”
Best Siding Contractors in Whitby, ON
15 companies listed · 8 in Whitby · 2 open 24/7 · 10 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Mega City Roofing Inc
“From the beginning with our inspection and the honest appraisal and pricing right through to the professional, cleanly job they were great to work with.”
Windmill Roofing & Exteriors
“Our experience with Windmill Roofing and Exteriors was excellent from beginning to end.”
Solid Seal Group Inc.
“Darrin from Solid Seal helped fix a leak in my roof and proactively fixed a few other future problems.”
Universal Roofs
“The team from Universal Roofs was super professional in their work and did roof installation work with ease and it looks fantastic.”
Ches Flat Roofing Group Inc.
“I reached out to Dan via the website and he instantly responsed by email and offered to come and do an inspection.”
Listed for homeowners in and around Whitby, ON, these 15 companies work on exterior walls. Details about materials, colour ranges and insulation options are drawn from each company's own site, and the review quotes underneath are public reviews.
Area overview: Whitby, ON
8 of the 15 companies we list are based in Whitby; the other 7 serve Whitby from Oshawa (8 km) and Ajax (8 km). The companies on this page are rated from 4.0 to 5.0 across 1,113 reviews; 9 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (88%), responsiveness (86%) and quality (84%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 2 are open around the clock; 10 are open on Saturdays and 8 on Sundays. The services the companies on this page list most often on their websites are eavestrough (2), roof installations (2), roof repairs (2) and soffit (2). 2 show a licence on their websites. 5 have ten or more years of experience, the longest 25 years. 2 offer emergency call-outs; 1 offers financing or payment plans; 11 give free estimates; 5 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
How many of these companies publish a website?
Websites are listed for 14 of the 15 companies on this page. Open them and look for finished houses nearby, ideally after a winter or two rather than on handover day. Close-up photographs around windows and at corners show the standard of the trim work, which is where a rushed job gives itself away first.
Metal Roofing Solutions
“Excellent customer service, very reasonable rates and a good selection of metal shingle profiles.”
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“Menard Roofing did a fantastic job on my roof - it looks great - and I couldn't be more pleased.”
Wilson's Roofing
“Provided a detailed quote in a timely manner and was even able to accommodate our need for a fast turn around as we needed to replace our roof very urgently.”
Logik Roofing & Insulation Oshawa
“Did what they had to do in about an hour and left the house relatively clean, some dust is expected.”
Colin's Roofing & Eavestrough
“He was efficient and clean and charged us a fair competitive price.”
Dryhome Roofing
“Jordan and his team met our tight deadline, great communication with updating us and scheduling.”
RMS Siding and Eavestrough Inc
“I needed to have the siding on my backyard shed replaced and Dave and his crew did a very professional job.”
Turnbull Roofing & Renovations Ltd
“From my first meeting with Robert when he brought in actual samples of the shingles to my home to choose from until his crew had the roof completely installed, I can't say enough about how great they all were.”
Norris Roofing
“Johnathon saved our existing roof which in turn saved us a ton of money.”
Why these companies made our list
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