Full Roof Replacement
Old roof past its life? We handle complete tear-off and installation of your new roof system, clean, fast, and built to handle Ontario's harshest seasons.
Licensed, insured roof installation across Kitchener, Waterloo, Guelph, Cambridge and Burlington. Certified crews, premium materials, and a written price guaranteed to beat any competitor's quote.
No obligation ยท Takes less than 60 seconds
๐ Your information is 100% private & secure
Form not loading? Call or text us at +1 437-385-2356 and we'll get your quote started right away.
We specialise exclusively in roof installation, giving every homeowner our full focus, the best materials, and an install done properly from day one.
Old roof past its life? We handle complete tear-off and installation of your new roof system, clean, fast, and built to handle Ontario's harshest seasons.
Building a new home? We work directly with builders and homeowners to install roofing systems on schedule, on budget, and to the highest standard.
The most popular roofing choice in Ontario, and our speciality. We install architectural and premium shingles from top brands, rated for Canadian weather.
We install TPO and modified bitumen flat roofing systems for homes with low-slope or flat roof designs, durable, watertight, and built to last.
A great roof starts below the surface. We properly prepare your deck, install quality underlayment, and ensure a solid base for your new roof system.
Proper attic ventilation extends roof life and lowers energy costs. We include ventilation assessment and installation as part of every complete roof install.
Bold promises only matter if we stand behind them. Here is exactly how each guarantee works.
Show us a valid written quote from any licensed Ontario roofer for the same scope of work. We beat it in writing. No haggling, no games.
Every inspection and estimate is free and no-obligation. You see the full price up front, itemised, with no hidden costs and no pressure.
Every installation is fully licensed, insured, and backed by a written workmanship warranty, so you are covered long after the crew leaves.
We focus on one thing, installing roofs properly. That singular focus means better materials, sharper technique, and a crew that knows exactly what a quality install looks like, all at a price we guarantee to beat the competition.
Have a written quote from another licensed roofer? Bring it to us and we will beat it, in writing. You get the best install and the best price.
Our roofers are specifically trained in installation, not jacks-of-all-trades. That means a faster, cleaner, more precise job on your home.
We care deeply about the quality of every install. If something doesn't look or feel right, just call us and we'll make it right.
We're based right here in Southern Ontario. Your neighbours are our clients, and every roof we install is a reflection of our name in your community.
We install new roofs across Southern Ontario, local crews, local knowledge, and a reputation built one installation at a time.
Not sure if we cover your exact area? Call us, chances are we do. +1 437-385-2356
From your first call to the final inspection. Here's exactly how we handle your roof installation, start to finish.
Fill out our quick form or call us directly. We respond within 2 to 4 hours, usually much faster.
We visit your property, measure your roof, assess the condition of your decking, and deliver a clear written quote. Have a competitor quote? We beat it.
Our crew arrives on the agreed date, tears off the old roof, installs your new system with care, and cleans up every last scrap before leaving.
We walk you through the completed installation so you can see the quality up close. Questions? We're right there to answer them.
Here's what homeowners across Southern Ontario say about their roof installation experience with Sigma Roofers.
"Sigma Roofers installed our new roof in Kitchener last spring. The crew was punctual, the job was spotless, and the new shingles look incredible. Couldn't be happier with the result."
"We got three quotes and Sigma was the most straightforward. They beat the lowest price we had, explained exactly what our roof needed, and delivered a flawless installation. Very professional team."
"Had a full roof installation in Mississauga with Sigma Roofers, smooth from start to finish. They were clean, efficient, and the quality of the install is excellent. Will absolutely recommend."
The questions homeowners ask us most before booking their installation.
Getting a proper roof installed shouldn't be stressful. Reach out today for a clear, honest quote, guaranteed to beat any competitor's price. No pressure, no obligation.