Flat Roofing Calgary

Flat Roofing Company in Calgary

If you drive around Calgary, you will notice plenty of flat-roofed buildings in the main commercial areas.

As opposed to the steep or gentle-sloping roofs usually seen on residential properties, flat roofs are the go-to design for commercial properties across Alberta.

They are trusted to maintain the safety of businesses everywhere and top the list in terms of practicality, cost-effectiveness, and durability.

United Roofing is one of the leading flat roofing companies in Calgary.

We provide safe, high-quality flat roof installations, replacements, and repairs for large-scale commercial projects, including:

  • Retail buildings

  • Large or small industrial buildings

  • Offices and office towers

  • Condominiums and apartment buildings

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Flat Roofing Calgary

United Roofing Flat Roof Services

Whether you require a brand-new installation, regular maintenance, inspection, or emergency repairs to your flat roof system, the team at United Roofing can help.

Safety comes first and all work is backed by generous warranties for complete peace of mind.

Commercial flat roof in Calgary and Edmonton

Flat Roof Installation

Commercial flat roofing is cost-effective to install in Calgary and can be constructed using a wide variety of materials (see below).

These roofs are relatively easy to maintain and allow for efficient use of space, while any potential problems associated with water run-off and debris accumulation can be countered with regular maintenance and inspections.

Depending on the scope of the project, a new installation will typically take anywhere between two weeks and several months.

Flat Roof Repair in Calgary and Edmonton

If your existing flat roof has been damaged by a hail storm or affected by the wind in Calgary, you need emergency repairs.

We can come out to your premises to assess and repair leaks at short notice. We’ll ensure that your roof is secured, made safe and restored to peak condition so that it continues to protect you and your business from the elements.

Roof Repair in Calgary and Edmonton

Roof Replacement

The life of your roof will depend on its design, materials used, and the quality of the installation. While many of the best flat roofs can survive for 60 or 70 years, lower-quality roofs will need to be replaced.

If required, we will come out to your property to assess your existing roof and provide a quote on a replacement roof covering all of the options available to you, including the most energy-efficient choices on the market.

roofing contractors

Roof Inspections

To ensure that problems are detected early before they become major issues, arrange regular roof inspections with United Roofing.

Our maintenance department will visit your premises in Calgary and inspect your existing roof. We will provide a report outlining any roofing issues we identify and the estimated pricing for preventative maintenance.
This can save money and extend the life of your roof. We can also provide a quote for a replacement roof if required.

Flat Roofing Companies Calgary & Edmonton

Other Flat Roof Services

As part of our service offering for commercial flat roofs in Calgary, we also provide:

  • Insulation services
  • Custom curbs
  • Installation of new drains and scuppers

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Main types of flat roofing systems

Despite their name, flat roofs are not usually totally flat. They are generally constructed with a very slight slope (around a quarter-to-a-half-inch per foot) to allow for some water runoff.

The climate plays an important role in your choice of materials for flat roofs but, fortunately, there are still plenty of options available.

Choose carefully as your decision will affect the longevity of your roof.

A generous warranty is provided on all roofs. As well as the standard manufacturer’s warranty of 10-15 years, you have the option of a warranty extension totalling 20-25 years.

Built-up roofs (BUR)

Built-up Roof in Calgary and EdmontonBuilt-up roofs are popular as they are cost-effective and easy to maintain. They are also durable, weather-resistant and stand up well to foot traffic.

They consist of multiple layers of insulation boards, tar and gravel, which create a tough and durable roof.

When repairing BUR roofs, stripping away the layers and adding new ones is relatively simple.

These roofs can last up to 40 years with proper maintenance and regular inspections.

Modified Bitumen Roof

Modified bitumen roof Calgary and EdmontonModified bitumen roofs use a mineral-coated asphalt-based material, which is available in rolled sheets.

Typically, they are two-ply systems that are generally lighter and more durable than built-up roofing.

Modified bitumen is considered very stable even if there is high foot traffic.

The popularity of these roofs is helped by their lower cost and you can expect a life of at least 20-30 years with good maintenance.

PVC Roof

PVC Roofing Calgary & EdmontonPVC is another sun-reflective, energy-efficient, and weather-resistant membrane used on flat roofing in Calgary.

If expertly installed, you can expect a life of 30 years or more from your PVC roof.

However, PVC membranes generally come at a higher upfront cost than the other roofing membrane materials outlined.

EPDM, TPO or SBS Membrane Roof

Membrane Roofing Calgary and EdmontonEPDM and TPO are sun-reflective, energy-efficient, and weather-resistant membranes that are ideal for flat roofs in Calgary.

They are cost-effective, easy to install, and available in either single or double-ply versions.

The main difference between them is that EPDM is a synthetic rubber while TPO is made from thermoplastic polyolefin.

SBS, which is a type of modified bitumen, can also be used in the membrane form.

These roofs are installed using insulated board layers and can last up to 35 or 40 years when installed properly and maintained well.

Frequently Asked Questions

Most commercial building owners opt for the practicalities and the economical benefits of flat roofs.

Commercial Roofing

Building Envelope


Maintenance & Repair

Why Choose Us

With over 250 staff, United Roofing Inc. is large enough to handle large building projects but small enough not to have lost the personal touch.

There are many reasons why homes and businesses have chosen us for their roofing and building envelope projects down the years.

These are the main five reasons:

  • Safety record: our safety record is second to none and is recognized by our Workplace Safety COR designation. We put the safety needs of clients and employees above all else and, in the event of an accident, we are fully insured.

  • Quality of workmanship: our technicians are highly trained waterproofing experts experienced at installing, maintaining and repairing all kind of waterproofing systems.

  • Experience: we’ve been helping home and business owners in Alberta install, repair, and maintain their roofing since we started out in 2007.

  • Affordability: we’re good but we don’t price ourselves out of your league; we’re affordable for most Alberta businesses.

  • Customer service: it’s not just a buzz phrase for us. We mean it and always strive to provide superior levels of communication and service on the projects we manage.

What can you expect from us?

We’ll work closely with you to install and maintain the right roofing solution for your building and your budget.

You can expect:

  • High-quality work with long-term warranties

  • Attention to detail

  • First-class contractors committed to quality

  • Top-class materials from trusted manufacturers

  • Affordable solutions for all scope of building projects

Once we’re appointed, a dedicated project manager will help you arrange:

  • Scheduling

  • Installation details

  • Safety procedures

  • Quality control


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