
A metal roof can lower your summer cooling bills by up to 25%.
Commercial
Roofing


Most commercial flat roofs last 20–30 years with proper care.
Commercial
Roofing
HOW WE WORK
TYPES OF COMMERCIAL ROOFS
From large-scale commercial facilities to multi-unit residential buildings, we deliver flat and metal roofing systems designed for performance, safety, and long-term value — all across the GTA.

Flat roof
Flat roofs are ideal for commercial buildings with large surface areas. They’re cost-effective, easy to maintain, and provide usable space for HVAC units, solar panels, or future expansion.

Metal Roof
Metal roofing is a top choice for commercial buildings thanks to its long lifespan, modern look, and strong resistance to fire, wind, and corrosion. It’s ideal for offices, plazas, and industrial sites that need reliable protection with minimal maintenance.

WHY TO CHOOSE
FLAT ROOFING
Cost-Effective & Efficient
Flat roofing systems are quicker to install and more affordable to maintain — offering great value without compromising on quality.
Easy Access & Maintenance
Flat roofs provide safe access for inspections, repairs, and HVAC installations — saving time and reducing long-term costs.
More Usable Space
Turn rooftops into functional zones — from green areas to solar panel installations or equipment decks.
Flat roofs offer smart, space-saving solutions with cost-efficient maintenance and a modern look — ideal for everything from warehouses to home extensions.
WHERE TO USE
FLAT ROOFS


Perfect for plazas, office buildings, retail stores, and service centers — flat roofs make it easier to install and maintain HVAC, signage, or solar panels.
Apartments, condominiums, and rental complexes benefit from flat roofing for its lower cost, ease of access, and long-term durability.
Commercial Buildings
Multi-Unit Residential


Popular in contemporary home designs and extensions — flat roofs provide a sleek look, energy efficiency, and the potential for rooftop spaces.
A practical solution for detached garages, sheds, and backyard studios — offering a clean finish and simplified water drainage.
Home Additions & Modern Houses
Garages & Outbuildings

WHY TO CHOOSE
METAL ROOFING
Durability That Lasts Decades
Metal roofs can last 40–70 years — resisting rust, fire, high winds, and extreme Canadian weather with minimal upkeep.
Energy Efficiency
Metal roofing reflects sunlight, helping to regulate indoor temperatures and reduce your cooling bills during hot summers.
Low Maintenance & High Strength
Unlike shingles, metal roofs don’t crack or curl. They require little maintenance while offering strong protection year-round.
Metal roofs combine modern aesthetics with exceptional durability and low maintenance — perfect for homes, businesses, and industrial properties alike.
WHERE TO USE
METAL ROOFS

Office & Retail Buildings
A practical solution for service bays, repair shops, and utility structures — combining strength, weather resistance, and energy efficiency.
Metal roofs offer long-term protection, modern appearance, and low maintenance — ideal for busy offices, storefronts, and commercial plazas.

Garages & Workshops

Industrial Facilities
From warehouses to cold storage units, metal roofs help regulate temperature and withstand year-round Canadian weather conditions.
With strong resistance to corrosion, impact, and fire, metal roofing is perfect for factories, distribution centers, and production sites.

Storage & Utility Buildings

Service
Canada’s weather can reduce a poorly installed roof’s lifespan by up to 40%.
Commercial Roofs Repair
Metal Roofing
Residential Roofing
Blog
Project Gallery
Other Services
Emergency Call 24/7
Contact Us
Commercial

We provide
Canada’s weather can reduce a poorly installed roof’s lifespan by up to 40%.
Commercial Roofs Repair
Metal Roofing
Residential Roofing
Blog
Project Gallery
Other Services
Emergency Call 24/7
Contact Us
Premium Services
CAN'T WAIT TO START
LET'S WORK TOGETHER
FAQ
We work with flat roofs, metal systems, and shingle roofing for small commercial buildings. Our team installs and maintains TPO, EPDM, modified bitumen, standing seam metal, and other commercial-grade systems — all designed for durability, energy efficiency, and compliance with Ontario building codes.
We plan every commercial project carefully to reduce downtime and avoid interrupting your daily operations. This includes working in stages, coordinating around peak hours, and keeping the site clean and safe. Our team is experienced in working on occupied buildings like offices, retail centers, and multi-unit properties.
Yes, we provide custom maintenance packages to help extend the life of your commercial roof. These include regular inspections, seasonal cleanups, minor repairs, and detailed reports — helping you avoid costly issues and plan for future upgrades with confidence.
Absolutely. All of our work is fully insured and completed by certified professionals. We provide documentation for liability, safety compliance (WSIB), and manufacturer warranties, ensuring full legal and regulatory coverage for your property or business.
7250 Keele St, unit 238, Concord, ON L4K 1Z8, Canada
+1 888 818 9997
info@katanaroofing.ca
Mon - Sat
8:00 am – 6:00 pm
7250 Keele St, unit 238, Concord, ON L4K 1Z8, Canada
+1 888 818 9997
info@katanaroofing.ca
Mon - Sat
8:00 am – 6:00 pm
COMMERCIAL
ROOFING
TYPES OF

Flat Roof
Flat roofs are ideal for commercial buildings with large surface areas. They’re cost-effective, easy to maintain, and provide usable space for HVAC units, solar panels, or future expansion.

Metal Roof
Metal roofing is a top choice for commercial buildings thanks to its long lifespan, modern look, and strong resistance to fire, wind, and corrosion. It’s ideal for offices, plazas, and industrial sites that need reliable protection with minimal maintenance.
From large-scale commercial facilities to multi-unit residential buildings, we deliver flat roofing systems designed for performance, safety, and long-term value — all across the GTA.

Most commercial flat roofs last 20–30 years with proper care.
Commercial Roofs Repair
Metal Roofing
Residential Roofing
Blog
Project Gallery
Other Services
Emergency Call 24/7
Contact Us
Commercial
Roofing

FLAT ROOFING
ADVANTAGES OF
Cost-Effective & Efficient
Flat roofing systems are quicker to install and more affordable to maintain — offering great value without compromising on quality.
Easy Access & Maintenance
Flat roofs provide safe access for inspections, repairs, and HVAC installations — saving time and reducing long-term costs.
More Usable Space
Turn rooftops into functional zones — from green areas to solar panel installations or equipment decks.
Flat roofs offer smart, space-saving solutions with cost-efficient maintenance and a modern look — ideal for everything from warehouses to home extensions.

METAL ROOFING
ADVANTAGES OF
Durability That Lasts Decades
Metal roofs can last 40–70 years — resisting rust, fire, high winds, and extreme Canadian weather with minimal upkeep.
Energy Efficiency
Metal roofing reflects sunlight, helping to regulate indoor temperatures and reduce your cooling bills during hot summers.
Low Maintenance & High Strength
Initial Assessment & Estimate
Unlike shingles, metal roofs don’t crack or curl. They require little maintenance while offering strong protection year-round.
Metal roofs combine modern aesthetics with exceptional durability and low maintenance — perfect for homes, businesses, and industrial properties alike.