Commercial Roofing Calgary.
Expert Red Seal Journeymen Roof Replacement and Servicing.
Commercial Roofing, Metal, Flashing, Rooftop Units, Hatch,  Sheet Metal

Roofing Contractors with Expert Professional Metal and Flat Roof Experience.

Red Seal Journeyman Experience that Provides the Building Owners in Calgary with Solid, Predictable, Expert Roof Solutions.

For Service in Calgary Call 1.403.873.7663 24 Hours 7 Days a week. You can also call us toll-free at 1.877.497.3528.

A Serious Investment
Be it roof repair, maintenance, or replacement involves a great deal of investment on the part of a building owner. Our roofers are seasoned with roofing experience in replacement, restoration, inspection and maintenance. [Photo in upper right: Calgary Commercial Project. SBS Modified Torch On, Flat Roofing. 247 Exploration Ave SE Calgary AB.]

Repair, Roof, Roofers, AB, Industrial, Flat, Metal Roofers, Membrane, Spray Foam, SPFProfessional and Accredited Roofers

GRS is Provincially Licensed. Flat Roofing Certified. We Employ Red Seal Journeymen, Better Business Bureau (BBB) Registered with A+ Rating. Open-Flame Insured. WCB Registered. We carry 5,000,000.00 Liability Insurance. [Photo to right: Calgary Commercial Roof, 683 10 Street SW Calgary AB, Rooftop Balcony Waterproofing, TPO Membrane.]

System Options
Our roofers are applicators of virtually all types of commercial roofing materials including; Modified Bitumen, Built Up Roofs, Tar and Gravel, Metal, EPDM, TPO, PVC, Spray Foam (SPF), and are innovative leaders in Balcony / Deck Waterproofing and Roof Coating Systems. 

Material (Membrane) Manufacturers
Some of the standard manufacturer's of commercial roofing and links are listed here.
Soprema | IKO | GAF | Firestone 

There is a complete list of manufacturer's listed on the Asphalt Roofing Manufacturers website.

Expert Roof Contractor Assurance
With GRS as your roof construction or repair contractors, you will receive one of the finest roof material, craftsmanship, and management teams available.

A History of Customer Service and Satisfaction
With centuries of combined roofing experience and a history of satisfied clients, our clients are assured that GRS are providers of the highest quality commercial flat roofing systems and metal roof assemblies. [Photo to right: Commercial Roofing, Earls Restaurant 3030 23 St NE Calgary, AB T2E 8R7, Flat Roof]
Airdrie, Cochrane, Chestermere, High River, Okotoks, Didsbury, Olds, Drumheller, Alberta

Product Knowledge

GRS is dedicated to the manufacture and installation of the roof industry best industrial and commercial roofing innovations and products.

Our flat roofers provide companies with up-most customer satisfaction providing you the commercial or industrial roofing material product knowledge you need to ensure that your roof repair or replacement is executed well and to your satisfaction.

Innovative Contractors

GRS has innovative flat and metal roofing solutions for virtually any roofing system.

Our wide range of flat roofing systems, crew manpower, combined experience, and state of the art equipping meets the demands of any roof system installation. From the smallest roof repair to the largest flat roof and metal roof replacement systems.

Our technical experience with innovative technologies and systems allows facility managers and building owners to approach each re-roofing project with a variety of roof possibilities.

Comprehensive Services.

- New Construction Systems.Flat Roofers, Industrial Roof, EPDM, TPO, PVC, SBS, Torch, Coating, Tar, BUR

- Replacement and Retro-Fits.

- Preventative Maintenance.

- Inspections.

- Metal and Flat Coating. 
- Restorations.

- Weatherproofing and deck waterproofing.

- Energy Efficient Systems.

- Variety of Systems.

Repair and Replacement Contractors - Southern Alberta Services.

Airdrie, Crossfield, Carstairs, Didsbury, Olds, Sundre, Three Hills, Drumheller, Hanna, Brooks, Bassano, Strathmore, Chestermere, Irricana, Cochrane, Black Diamond, Okotoks, High River, Vulcan and points between. [Photo bottom right: Calgary Commercial Roof Repair, Pinebrook Golf & Country Club, 166 – Pinebrook Way S.W. Calgary, AB T3Z-3K3, Roof Repair.]


Call +1.877.497.3528 or +1.403.873.7663 for a Free Estimate or click here for an online request.

Other Related Links on our Web Site:

Calgary Roofing | Repair | Flat | Flat Roof Maintenance | Commercial | Metal 

General Roofing Systems Canada (GRS)Torch On, Built Up, Steel, Drains, Modified, Bitumen, Repairing, Emergency

Mail to: 240 - 70 Shawville Boulevard SE Suite 1460

Calgary, Alberta T2Y 2Z3
(877) 497.3528 Toll Free
(403) 873.7663 Service

Calgary Commercial Roof Project, Chinook Mall, Theatre, EPDM Roof Repairs, 6455 Macleod Trail SW Calgary AB
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