Tucker Construction Inc.
“They showed up on time every day until the job was complete and they were all very easy going and great to work with.”
Best Siding Contractors near Cornwall, ON
None of these companies is based in Cornwall; they work from towns including Alexandria (30 km), Coteau-du-Lac, QC (53 km) and Salaberry-de-Valleyfield, QC (54 km).
10 companies listed · 2 open 24/7 · 6 open weekends · 8 rated 4.5+ · 4 show a licence
Data verified October 18, 2026
Poirier D Roofing
“They did a great job, and the price was lowest of the 3 estimate I received.”
Gouttieres SD Eavestrough
Apple Hill Construction
“We have hired Cam and his team from Apple Hill Construction twice - once to put board and batten siding on our cottage and recently to construct a new garage.”
Alupro Eavestrough
“They took the time to go over what they would recommend we needed and listened to our input.”
Kluke's Roofing
“Really know what they're doing and back it up with a real warranty.”
Listed for homeowners in and around Cornwall, ON, these 10 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: Cornwall, ON
The 10 companies on this page are rated from 4.0 to 5.0 across 134 reviews; 8 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (70%) and responsiveness (70%). 2 are open around the clock; 6 are open on Saturdays and 3 on Sundays. 4 show a licence on their websites. Domain records put 5 websites of the companies on this page at ten or more years old; the oldest dates from 2003. 2 offer emergency call-outs; 5 give free estimates and 4 are family- or locally-owned. We have a website on file for all 10 of the companies on this page; 7 publish a contact page and 7 list a public email. 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.
Do listed companies quote exterior wall work for free?
No-cost estimates are advertised by 5 of the 10 companies on this page. Ask each one to quote the same specification, including whether exterior insulation is in or out, because that single choice moves the price more than the brand of cladding does and makes otherwise similar quotes look wildly apart.
Toiture Allstar Inc.
“Second to none, Samuel and his team are by far the best in the industry.”
Aluminium Daoust Revetement Extérieur
“Work alone and the result is excellent”
Mallette & Lachance Inc
“The staff is very kind and honest I highly recommend this roofing company.”
Couverture M L
“Our roof was done by couverture ml and michel charbonneau the assessor/manager is professional, honest and very competent!!!”
Why these companies made our list
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