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Roofmaster Ottawa Inc.
- Call
- Work
- Questions
“Wasn't the cheapest price but was well worth it because they'd re very responsive and communicated well with me compared to my prior experiences with other roofing companies.”
Best Siding Contractors in Nepean, ON
24 companies listed · 10 in Nepean · 2 open 24/7 · 5 open weekends · 21 rated 4.5+
Data verified October 18, 2026
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Stewart Roofing Ltd.
- Efficient
- Job
- Quotes
“Good product with outstanding warranty, professional installation with attention to detail, happy crew :-) and the cleanup included many of my fall leaves etc.”
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Cana Windows and Doors
- Installer
- Team
- Price
“John and his installation team were awesome: quickly replacing 3 windows and a patio door in the cold of December, but doing a masterful job at the same time.”
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Magnum Roofing
- Respectful
- Price
- Owner
“Admittedly having a roof shingled isn't the most glamorous way to spend your hard earned money but it is certainly a great sense of security to know it's been done right and should be trouble free for many years to come.”
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Burke's Sheet Metal 2007 Inc
- Company
- Flashing
- Business
“In building our own home with a flat roof, we had a lot of fears/hesitations in how to achieve a good quality fascia and design - but the team at Burke's went above and beyond with creativity, amazing quality, innovative solutions, timely production ...”
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Metal Roof Ottawa
- Sales
- Prices
- Results
“My previous roof had been an eyesore and once the new roof was installed, I had strangers driving up to comment on the roof and ask who did the installation - it has made that much of a noticeable difference in the appearance of the house.”
Listed for homeowners in and around Nepean, 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: Nepean, ON
10 of the 24 companies we list are based in Nepean; the other 14 serve Nepean from towns including Ottawa, Carp and Gatineau, QC. The companies on this page are rated from 3.7 to 5.0 across 2,103 reviews; 16 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (83%) and responsiveness (79%). 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; 5 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are eavestrough (3), roofing (3), flat roofing (2), inspections (2) and metal roofing (2). 5 show a licence on their websites. Domain records put 11 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 2 offer emergency call-outs; 5 offer financing or payment plans; 17 give free estimates; 6 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; 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 23 of the 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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Monarchy Build
- Insulation
- Roof
- Window
“After being told by multiple companies that white siding "was not available", Joey at Monarchy Build found the siding I wanted (a wide board and batten look) and installed it to create the exact look I wanted.”
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Kyi Roofing & Reno Inc.
- Price
“Affordable price and good service.”
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Magenta Exterior Solutions
“Excellent from start to finish!”
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Algonquin Roofing and Reno
- Job
“It is with pleasure that I provide this recommendation for Algonquin Roofing and Reno for their performance in reshingling my garage roof and some eavestrough repair.”
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Ottawa Eavestroughing
- Quote
- House
- Price
“They were really busy over the summer (which is generally a good sign) but they came out quickly, gave a quote, stuck to the quote and did a fantastic job.”
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Rainbow Roofing & Renovations
- Pressure
- Work
- Competitive
“We were consulted for the color of flashing for the bay window and the gentleman providing info was very patient and helpful with showing similar cases in other houses around so we understand options better.”
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Provost & Son's Roofing
- To Choose
- Questions
- Products
“Unlike other roofing companies that I contacted, Zack customized the scope of the roof replacement to my exact needs - we added items that I was unaware of and removed items that were unnecessary and/or expensive.”
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Jorgensen Roofing
- Siding
- Business
- Quality
“We have never interacted with Jorgensen Roofing before this, but on a recommendation from a friend, Mark (the owner) graciously came out to investigate a roof leak that we have been dealing with.”
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Remember Me Roofing Inc
- Debris
- Clean
- Quote
“Communication and follow up and thanks for the installation team: Mitchell, Rusty and Scot for their hard work and special thanks for Mitchell for his professional experience”
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Eco Ottawa Windows and Doors
- Patio
- Job
- Questions
“Shane is familiar with the federal and provincial loan and rebate schemes and helped suggest options to both maximize the available rebates while providing the best quality windows for our buck.”
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Gillespie Handyman Services Inc.
- Team
- Price
- Quote
“I called a few companies and felt I could trust Gillespie Handyman as they took the time to review my needs and were able to almost completely match my 16 year old siding.”
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Toitures Boulet
- Honest
- Team
- Date
“Professional staff who are knowledgeable in their field, friendly and easily explained the steps of the work and generously did additional work that was not included in the initial work order”
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Finelines Roofing & Renovations Ltd
- Quality
- Job
- Insulation
“David came out to perform a quote the day after my inquiry; he explained everything thoroughly during his inspection so that I knew exactly what was wrong, and what the the recommended fix was.”
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Lavazza Roofing
- Customer Satisfaction
- Project
- Questions
“Tony kept in touch me throughout the whole process of investigating and fixing the faulty caulking around the chimney stack which kept allowing rain to seep in.”
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Century Roofing and Siding Ltd.
- Property
- Product
- Warranty
“While Mother Nature didn't play nice with the scheduling of the job, once we had a couple of sunny days, the team were quick and clean about getting through the work.”
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Modern Eavestroughing Ottawa
- Warranty
- Sale
- Job
“My eavestrough was installed 7 years ago and after contacting them for a potential leakage, the owner of Modern Eavestroughing Roch Larabie dropped by and provided a quick and friendly service.”
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Tailored Home Improvements & Roofing
- Cleaning
- Siding
- Property
“In addition to their expertise and top-notch customer service, Tailored Home Improvements is incredibly involved in the Stittsville community, which I love to support.”
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Ottawa Home Exteriors
- Estimate
- Work
- Questions
“We chose to go with Ottawa Home Exteriors to get our roof redone, and were very pleased with both the results (the roof looks great) and service we received.”
Siding Services in Nepean, 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 271 cost profiles
Why these companies made our list
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