Ottawa Valley & Lanark County's trusted roofing experts — licensed, insured, and backed by a 10-year workmanship warranty.
Full tear-off and replacement using premium shingles from GAF, CertainTeed, and Owens Corning. Built to last decades.
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Fast, reliable repairs for leaks, storm damage, missing shingles, and more. We fix it right the first time.
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Thorough roof inspections and complete gutter installation to protect your home from water damage year-round.
Learn More"Colin did a fantastic job with my urgent home repair! His workmanship was excellent, and he was highly professional throughout the entire process. I received truly stellar service and will absolutely use his business for all my future needs. Highly recommended!"
JAGAN KUMAR VELUCHAMY"Really positive, great leardship and is very knowledgeable. Recieved exceptional service and will recommend him to everyone, Thank you so much."
Ahmad Wazir Gulkhan"Roofing repair and restoration. Quality work and reliable team! Colin and his team did an excellent job with outstanding attention to detail."
Ailene Cb"Thanks Colin and Dave! Excellent timing fitting my urgent issue in....and excellent work. Well done Dave! Definitely will be in touch if the need arises again with myself or my friends."
Ali B."I heard squirrels scrambling in the attic and knew what it meant: they'd gnawed through the old wooden fascia. Messaged Colin and his crewman repaired two holes that very day, much to my relief!"
V. C. de-Beaupré
Steve Lacasse"I had my roof replaced by Colin and his team, and it was honestly an effortless process from start to finish. They were professional, transparent with costs, and their craftsmanship was outstanding. Their commitment to customer service and excellent communication throughout were exceptional. I highly recommend Clean Slate Roofing & Renovations for roofing needs."
Laura Brooks"Fantastic workers, excellently skilled craftsmanship. Keep up the great work!!"
Laurie O'Brien"Clean Slate Roofing & Renovations has taken on multiple projects for me this winter and I'm very happy with the results. Super fast service, responsive and professional communication, high quality materials and workmanship, and willing to work within my budget. Thank you Colin & crew!"
Kit Sparrow"Confidence, that's what I felt throughout this whole process, from the initial quote to the completed project. After a quick phone call explaining my needs, the owner came to my house and confirmed the issues. He came up with multiple options and quoted variable prices ranges and gave an estimate of each products' life span. I took the time to get a few other quotes, but none of the other businesses inspired the confidence or the range of products that this company provided. The completed product was outstanding... I feel that I have the nicest roof in the neighbourhood, and it should last me a lifetime."
Jason VaughanA look at recent roofing work across Ottawa Valley and Lanark County.
Before
AfterThe Challenge
Aging 25-year-old shingles with widespread granule loss, three active leak points, and failing flashing around two dormers.
Our Approach
Complete tear-off down to the deck, new ice & water shield on all eaves and valleys, GAF Timberline HDZ shingles, and fully re-flashed dormers.
The Result
Completed in one day. Zero callbacks. Homeowner noted the new roof transformed the curb appeal of their century home.
Before
AfterThe Challenge
Disconnected downspouts were directing water against the foundation, causing basement seepage and eroding the garden beds.
Our Approach
Full downspout replacement with extended underground drainage, re-graded discharge points, and sealed all gutter joints.
The Result
Foundation moisture issue resolved. Homeowner reported a dry basement through the following spring thaw.
Before
AfterThe Challenge
Corroded aluminum downspouts pulling away from the fascia, pooling water at the base of the home's north wall.
Our Approach
Removed all failing downspouts, installed new seamless aluminum with proper standoffs and splash pads at grade.
The Result
Clean, secure drainage system. Fascia board protected from further water damage.
We don't cut corners. Every project is handled by our own certified crew — never subcontracted — using only premium materials from the industry's top manufacturers.
Get your free, no-obligation estimate from Ottawa Valley & Lanark County's most trusted roofing team.