Roof installation, repair & maintenance across Orillia
A&G Roofing helps homeowners and contractors in Orillia, Severn and Simcoe County install, repair, and maintain roofs built for Ontario's climate. Rated 4.9 from 98 Google reviews — tell us what's going on and we'll follow up.
What Orillia homeowners say
Real reviews from homeowners and contractors across Orillia, Simcoe County and Muskoka.
Andre Glazer is one of the BEST guys I ever met. He helped me fight for what I thought was a losing battle with my insurance company. He has a heart of gold and he went after my insurance company and fought on my behalf. He wrote my insurance company letters…
From the quote to the installation, A&G Roofing was outstanding. They even helped me out with my deck design that was to be put on top of the new flat roof. To say I am happy with their service, and workmanship is not enough.
From my first phone call where I reached Violet, to Josh for the quote, then Glenn and his team on site doing the work, I was really impressed with the care and attention to detail everyone took. The team arrived as scheduled, worked quickly and efficiently…
Not sure if it's a repair or a replacement?
Send your address and a few photos. A&G Roofing will tell you what your roof actually needs — a repair, a full replacement, or routine maintenance.
Roofing services in Orillia
A&G Roofing handles the full roof: installation, inspections, maintenance and repairs, with a wide range of materials to match your budget and style.
Roofing Services
Complete roofing care for Ontario’s demanding climate — from a brand-new install to the seasonal inspection that catches a problem before it starts.
Roof Installation
We specialize in professionally installed roofing systems for new builds and full roof replacements. Using high-quality materials selected for Muskoka’s climate, our installations are designed for durability, proper ventilation, and long-term performance.
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Roof Inspections
Regular inspections are essential, especially after winter and severe weather. Our detailed roof inspections assess structural integrity, material wear, ventilation, and potential problem areas before they become costly repairs.
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Roof Maintenance
Proactive roof maintenance extends the life of your roofing system and helps prevent unexpected issues. Our maintenance services focus on addressing common Muskoka-specific concerns such as ice buildup, moisture retention, and debris accumulation.
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Roof Repairs
From storm damage to leaks and missing shingles, our team responds quickly to protect your home from further damage. We identify the root cause of roofing issues — often related to freeze-thaw cycles and ice damming — and provide lasting repair solutions.
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A wide selection of roofing products so you can choose the right system for your property, budget and style — not just the cheapest option.
Asphalt Fibreglass Shingles
The most popular choice for homeowners, fibreglass shingles come in a wide array of styles and colours to suit your budget and design. A roof system is an investment that can increase the value of your property, so it shouldn’t be taken lightly — nor should you simply choose the cheapest option.
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Steel Roofing
Tried and true, steel roofing offers classic styling with low maintenance and lifetime performance in a wide range of profiles. We are certified installers of Standing Seam metal roofing for a sleek, modern look built to withstand Ontario winters.
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Composite Shake and Slate
Composites offer a true-to-life appearance with low maintenance and lifetime performance. We are certified installers of Euroshield Composite Roofing, made from 95% recycled rubber, which offers the look of slate or wood with "bulletproof" durability against hail.
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Residential Low-Slope Roofing
When you have roof sections below a slope of 2 in 12, you need commercial-grade materials that are up to the job. We install low-slope roofing systems designed to handle Ontario’s heavy snow loads and rapid freeze-thaw cycles without compromising drainage.
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Cedar Shake and Shingles
As beautiful as they are rustic, cedar products are the natural choice for discerning homeowners. We’ll walk you through the differences in styles, quality and accents so you get a roof that suits your home and lasts.
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Completed roofs across the Orillia, Simcoe County and Muskoka area.
Why homeowners call A&G Roofing
A few reasons, each grounded in what the record actually shows.
Rated 4.9 on Google
98 homeowners and contractors have reviewed A&G Roofing, averaging 4.9 stars.
Local since 1967
Based at 4277 Carlyon Line in Severn, working across Orillia, Severn, Simcoe County for almost 60 years.
Certified & fully insured
The only 5-Star CertainTeed SELECT ShingleMaster™ in the area, fully insured and WSIB covered including working-at-heights certification.
Recognized for quality
Named Best Business by three leading organizations for five consecutive years.
Where A&G Roofing works
Based in Severn, serving Orillia, Simcoe County and Muskoka — and larger projects across Ontario.
- Orillia
- Severn
- Simcoe County
- Muskoka
- Surrounding areas
Severn, ON L3V 0W8
Monday - Friday: 8am - 4pm
Roofing questions, answered
Roof installation, inspections, maintenance and repairs, plus a full range of roofing materials — asphalt fibreglass shingles, steel roofing, composite shake and slate, residential low-slope systems, and cedar shake and shingles — for homeowners and contractors.
We’re based at 4277 Carlyon Line in Severn and work across Orillia, Simcoe County, and Muskoka. For larger or specialized projects, our team can also take on work elsewhere in Ontario and, when required, Canada-wide.
Call (705) 325-1805 or fill in the request form below. It reaches A&G Roofing directly and we’ll follow up.
Almost 60 years of local experience and the only 5-Star CertainTeed SELECT ShingleMaster™ in the area. We install premium synthetic underlayment across 100% of every roof, custom-bend every flashing on site, calculate exact attic ventilation needs, and document progress with CompanyCam so you can see the work in real time.
Yes. A roof is a breathing system — without proper intake and exhaust, trapped heat leads to ice dams in winter and premature roof failure in summer. We calculate your attic’s specific ventilation needs on every project.
Request information
Tell us what's going on with your roof and A&G Roofing will follow up. The more you include, the faster we can point you in the right direction.