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Torch-On Roofing Kelowna – Flat Roof Repair, Replacement & Installation

SBS Two-Ply Systems

Repair, Replace & Install

20-30 Year Lifespan

Trusted Roofing Certifications

545

What Is Torch-On Roofing?

Torch-on roofing is a two-ply SBS modified bitumen membrane that is heat-welded to the roof and to itself, creating one continuous waterproof sheet. It is the go-to system for flat and low-slope roofs in Kelowna, from additions and garages to walkable sundecks and commercial buildings. Whether you need a leak fixed, a worn roof replaced or a brand-new roof installed, we handle every stage.

Free Roof Inspection

(250) 200-5740

Where Torch-On Roofing

Works Best in Kelowna

Flat & Low-Slope Roofs

Any roof with less than a 2:12 pitch needs a membrane, not shingles. Torch-on seals the whole surface so snowmelt and rain can sit on the roof without finding a way in.

Walkable Sundecks

With the right cap sheet, torch-on doubles as a durable deck surface over living space, so you can use your rooftop or balcony without worrying about leaks below.

Garages, Carports & Additions

Many Kelowna homes pair a sloped main roof with flat sections over garages, carports and additions. Torch-on is the reliable way to keep those areas dry.

Commercial & Strata Buildings

Large flat roofs on shops, offices and multi-family buildings get a tough two-ply system that handles rooftop equipment, foot traffic and decades of Okanagan weather.

Torch-On Membrane Options

Two-Ply SBS (Our Standard)

A base sheet plus a granulated cap sheet, both heat-welded. Flexible in the cold, durable in the heat, and the right fit for most Kelowna flat roofs.

APP Modified Bitumen

A stiffer membrane with strong UV resistance, useful on sun-baked, south-facing roofs with little foot traffic.

Walkable Deck Membranes

Heavier cap sheets designed for sundecks and balconies that see regular foot traffic and patio furniture.

Insulated Torch-On Systems

Rigid insulation under the membrane improves energy efficiency and can correct slope on roofs that pond water.

Repair, Replace or Install?

01

Torch-On Repair

Best when the roof is under about 15 years old and the problem is limited to a seam, blister, flashing or drain.

02

Torch-On Replacement

Best when the membrane is cracked, brittle or leaking in several places, or the roof is 20+ years old.

03

New Torch-On Installation

For new homes, additions, garages and sundecks that need a flat roof built right from the start.

04

Not Sure? Free Inspection

We check your roof, show you photos and recommend the most cost-effective option, with no pressure.

SBS Modified Bitumen
APP Modified Bitumen
Fiberglass Reinforced Membranes
Polyester Reinforced Membranes
Granulated Cap Sheets

SBS Modified Bitumen

★ BEST FOR THE OKANAGAN

SBS (Styrene-Butadiene-Styrene) modified bitumen is engineered for cold, snowy climates like the Okanagan. Stays flexible down to -40°C, bonds permanently in damp conditions, and handles our temperature swings without cracking. This is the system we recommend for most flat roofs in the Okanagan because it simply works better here.

20+ Years

APP Modified Bitumen

APP (Atactic Polypropylene) modified bitumen excels in high-heat, high-UV environments. Best for sun-baked, south-facing Okanagan roofs where UV degradation is the primary concern.

20+ Years

Fiberglass Reinforced Membranes

Fiberglass reinforcement adds serious strength and fire resistance. Required for some commercial buildings to meet fire code. More rigid than polyester but offers superior dimensional stability and Class A fire ratings.

25+ Years

Polyester Reinforced Membranes

Polyester reinforcement provides maximum flexibility and puncture resistance. The best choice for roofs with regular foot traffic, rooftop equipment, or buildings in areas with significant thermal movement.

20+ Years

Granulated Cap Sheets

Mineral granule surface protection extends membrane life by blocking UV rays and adding fire resistance. The premium option that adds 5-10 years of service life compared to smooth-surface membranes.

25+ Years

Why Kelowna Chooses GVRD for Torch-On

566

Flat Roof Specialists

Torch-on and flat roofing are a core part of what we do, not a side service. Our crews work with SBS membranes every week.

Okanagan-Ready Details

We detail drains, scuppers and wall flashings for snow, ice and spring melt, which is where most flat roof leaks begin.

Fire-Safe Torch Work

Torch-on uses open flame, so we follow strict fire-safety procedures and stay on site after torching to check for hot spots.

Manufacturer-Backed Systems

We install complete systems to manufacturer specifications so your material warranty stays valid.

24/7 Emergency Service

If your flat roof starts leaking at night or on a weekend, call us and we will get a crew out to protect your property.

Free Roof Inspection

(250) 200-5740

Torch On Roofing for Every Kelowna Building Type

Homes, Garages & Sundecks

Flat and low-slope sections on homes, detached garages, carports and walkable sundecks get a durable torch-on membrane that seals out snowmelt and ponding water.

Office Buildings & Business Parks

Stop disrupting your tenants with emergency repairs. Professional-grade torch on roofing provides the leak-free performance that keeps businesses operating and tenants renewing leases.

Warehouses & Industrial Buildings

Heavy-duty torch-on roofing protects high-traffic roofs from forklift vibration, equipment loads, and maintenance access, resisting punctures, tears, and damage better than cheaper alternatives.

Apartment Buildings & Condos

Eliminate leak complaints and water damage with expert torch-on installation, delivering decades of reliable protection, keeping units dry, residents satisfied, and property values strong.

Torch On Roofing Across
Kelowna & the Okanagan

Torch-on roofing repair, replacement and installation throughout Kelowna and the Okanagan

What Our Clients Say

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Jehrica Cikes profile picture
Jehrica Cikes
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had an excellent experience with GVRD Roofing. From the initial inspection to the completed project, the team was professional, knowledgeable, and easy to work with. They communicated clearly throughout the process, showed up when they said they would, and the quality of the workmanship was outstanding. It's clear they take pride in their work and genuinely care about delivering a roof that's built to last. The crew kept the site clean, worked efficiently, and made the entire experience stress-free. If you're looking for a reliable roofing company for residential or commercial roofing, roof repairs, or metal roofing, I highly recommend GVRD Roofing. I wouldn't hesitate to use them again for future projects.
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Terri Hassan profile picture
Terri Hassan
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had a fantastic experience with GVRD Roofing from start to finish. The team was professional, responsive, and took the time to explain every step of the process. Their workmanship was excellent, the job site was kept clean, and the project was completed on schedule. It's clear they take pride in the quality of their work and genuinely care about customer satisfaction. If you're looking for a reliable roofing company for roof repairs, replacement, or a new roof, I highly recommend GVRD Roofing. I wouldn't hesitate to use them again for future roofing projects.
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gordon jim profile picture
gordon jim
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Thank you Chris for taking my call you didn’t have too but you did. You communicate to me and took your time to answer most of my questions about metal roofing and repair.I appreciate your time of from just getting of work to watching FIFA Soccer have fun.
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leon profile picture
leon
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We had a amazing experience with Gvrd roofing Vancouver, they help replace my mom roof. And the Team really did amazing work 👏 my mom was please..
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Craig Th profile picture
Craig Th
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Chris is great to deal with. Communicated well, great price and great work. Would highly recommend.
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Jeanne Lee profile picture
Jeanne Lee
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We are a townhouse strata community in West Vancouver, BC, and GVRD recently completed our renewal project involving 12 flat garage roofs (2025). After getting quotes from three companies, we chose GVRD because of their shorter lead time, reasonable pricing, and strong warranty terms—and it turned out to be the best decision. The workmanship was excellent, the team was highly experienced, and they used advanced technology and equipment throughout the process. Everything was efficient and well‑organized, and their customer service was outstanding. Since completion, the new roofs have already been tested by several storms and atmospheric river events, and they have proven to be strong and reliable. In addition, GVRD provided valuable support for our upcoming roof and deck maintenance planning for the next 3–5 years. They even used drone technology for detailed measurements and assessments, which was extremely helpful. Highly recommended.
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Jeff Bailey profile picture
Jeff Bailey
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My new metal Roof is awesome! Thank you for the great job well done! Jeff Bailey
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Gerhard Viljoen profile picture
Gerhard Viljoen
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We recently had our new flat roof installed by Chris GVRD and we couldn’t be happier with the results. The entire roof installation was completed to a very high standard and the quality of the workmanship really shows. GVRD Roofing was extremely responsive, professional, and quick to address everything that came up. Their communication, service, and attention to detail made the whole experience smooth and stress-free. We highly recommend GVRD Roofing for anyone in Vancouver looking for reliable flat roof installation services. Thank you!
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Joe C profile picture
Joe C
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I had Dan came over to look at a water pooling and minor leak on my torch-on flat roof. He gave me a quote, came back as agreed. The roof was fixed, flattened and new drain was added. I am happy with the work and the cost was reasonable. They fixed what was needed and it was done in a timely manner. I will be looking for them to do regular inspections in the future.

Torch On Roofing Questions Answered

Properly installed torch-on roofing typically lasts 20-30 years in the Okanagan climate. The key is proper installation, since poor torch work can fail in 5-10 years.
Torch-on is a modified bitumen membrane installed with a propane torch that melts the backing so each layer fuses to the one below. The result is a seamless, waterproof surface designed for flat and low-slope roofs.
Yes. With a walkable cap sheet and proper drainage, torch-on makes a durable, waterproof deck surface over living space. We take extra care at door thresholds and railings, where deck leaks usually start.
Cost depends on roof size, complexity, access and system type. We provide a detailed written quote after a free inspection, with no ballpark estimates that turn into surprise bills later.
They are used on different roofs. Shingles need slope to shed water, so they are not suitable for flat roofs. Torch-on is designed for flat and low-slope areas where water can sit.
Torch-on handles foot traffic and punctures better, while TPO costs less and reflects more heat. For Kelowna roofs with decks or rooftop equipment, we usually recommend torch-on.
Talk to a
Flat Roof
Specialist Today
Get a free inspection and honest assessment of your Kelowna flat roof. We’ll show you exactly what you need and what it costs—no pressure, no games.

CALL US

(250) 200-5740

Email US

gvrdkelowna@gmail.com

VISIT OUR OFFICE

2001 BC-97 #255, Westbank, BC V4T 2H1

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24/7 Emergency Service

Free Roof Inspection

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