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Niagara Roofmasters
- Quality
- Quote
- Solution
“Although I did not ultimately use this company for a small siding repair, I must say that Chris DeSousa was very prompt in responding to my inquiry and questions.”
Best Siding Contractors in St. Catharines, ON
24 companies listed · 18 in St. Catharines · 4 open 24/7 · 10 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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AJT Roofing and Contracting
- Leak
- Cleaned
- Job
“When the rain stopped, Adam and his team did a thorough investigation of the roof, chimney, vents and attic and recommended a course of action to fix the roof properly.”
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Great Northern Home Exteriors Inc.
- Competitive
- Job
- Work
“I was introduced GNHE in 2015 when my client of mine was doing a purchase of a new home using the mortgage plus improvements program and needed to have a quote for new windows included in their mortgage.”
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Permanent Siding & Windows
- Price
- House
- Soffit
“If I ever need new windows or siding, whether because we're at our current home for a few more decades or moving to another house that needs some work, I will absolutely be giving Darryl a call.”
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JD Roofing Inc.
- Shingles
- Job
- Quote
“When others took 24 hours just to get my details, Joel came the same day, saw the shingles blown off my roof and fixed it on the spot since I had some shingles in my garage!”
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Tip Top Exteriors
- Eaves
- Soffits
- Result
“Joe suggested things that we did not think to have done to our house and because of that alone, the finished work was better than anything the other contractors could have done.”
Listed for homeowners in and around St. Catharines, ON, these 24 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: St. Catharines, ON
18 of the 24 companies we list are based in St. Catharines; the other 6 serve St. Catharines from Niagara Falls (17 km) and Welland (22 km). 23 of the companies on this page have a rating, from 4.2 to 5.0 across 933 reviews; 9 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (86%) and responsiveness (81%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 4 are open around the clock; 10 are open on Saturdays and 4 on Sundays. The services the companies on this page list most often on their websites are siding (4), eavestrough (3), gutter guards (2) and soffit & fascia (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2007. 6 offer emergency call-outs; 3 offer financing or payment plans; 15 give free estimates and 4 are family- or locally-owned. 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 all 24 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.
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Gemini Windows
- Price
- Roof
- Home
“I have had them install roofs, siding or windows and doors on over a 100 homes over the past few years and customers are always happy with the end result.”
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Blampin Roof Tops
- Shingles
- Price
“They were reasonably priced, efficient, friendly, and most importantly did a great quality job.”
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Discount Roofs
- Business
- Job
- Price
“Where no roofer was able to assist us on priority , Discount Roofs's Team visited the site same day and got the whole job done within 3 business days which was absolutely out of our expectations.”
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Scott Windows & Doors
- Interior
- Curb
- Patio Door
“We were getting our kitchen installed and the factory window wasn't ready yet, so Scott made an extra trip to come over and cut out exactly the size of the window and covered it over with insulation and a vapour barrier.”
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R&S Roofing and Siding Inc.
- Job
“After Raul discovered more damage to our roof than we had originally thought, He and Sonia worked with us to fix the issues and made this whole experience so much easier and they really did go the extra mile.”
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Garden City Roofing Asphalt and Cedar Roofing Niagara
- Price
“They were able to come the next day to do it, and when they were done they walked up and down our driveway with a magnet to make sure there were no nails on the ground.”
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Skyway Roofing
- Photos
- Team
- Price
“They thought it would take 2 days to do due to the size but the guys did it in 1 (full rip off of shingle, laying of plywood, water shield, drip edges and flashings and shingle lay)”
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Professionail Roofing
“Tenant said they were curtious a did a great job of cleaning up .”
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Metal Roofing by Hindrea
“On the day of installation, Bruce's son, Scott, and another employee (whose name I unfortunately didn't get) made short work of our 7-square roof, completing it in a little over half a day.”
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Vassa Metal Roofing
“With a metal roof will not have to worry about roofing for the rest of my lifetime.”
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Lifetime Roofs
“100% would recommend to anyone I know.”
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JJM Aluminum Siding & Windows Inc
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Videl Roofing Inc.
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McPherson Roofing
- Call
- Price
- Business
“I had a great experience with these guys, they were honest and transparent about every aspect of the job, punctual, very professional and delivered a high quality end result, highly recommended.”
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Noble Roofing
- Business
- Crew
- Sales
“We had somewhat of a roof emergency and Matt went above and beyond to have a crew out the same day to temporarily tarp our roof after hours so we wouldn't have to worry about the anticipated rain storm.”
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Hamblet's Roofing Siding Windows
- Price
- Quality
- Gentleman
“While we were meeting with our Builder, John Hamblet himself appeared with a choice of roof shingles in hand, and actually started and completed the entire job with his remarkable team over the Christmas/New Years week”
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Roof Wizard
- Soffit
- Team
- Work
“Our eavestroughs hadn't been replaced since the home was built in 1998, the team was able to squeeze us in for two days later before the next big rainfall.”
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Precision Roofing
- Happy
- Call
- Competitive
“Professional , polite , on time , great value , great workmanship, I am very pleased hands down and would use them again and definitely recommend to others!”
Siding Services in St. Catharines, ON Cost Estimates
Minimum cost
$2283
Maximum cost
$27396
National Average
$11607
Avg Per Hour Rates
$46
$6542
$17824
Average price range is based on 299 cost profiles
Why these companies made our list
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