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Flat Roofing

Flat roofing is where we got our start—and we still do it almost every day. We have extensive experience in hot asphalt built up roofing (BUR), single-ply roof systems (TPO, PVC, EPDM, KEE), modified bitumen roof systems, and foam and coatings.

Flat roofs are exceptionally energy efficient, and fit to stand up to climate challenges in all seasons. However, there aren’t many roofing contractors that truly know how to properly install a flat roof. An improper installation can potentially lead to issues such as water pooling or improper sealing. Behmer Roofing has over 35 years of installing all types of flat roof systems throughout the state of Arizona – both on residential homes and commercial buildings alike.

The Advantages of Flat Roofing


If installed properly, flat roofing can last 20-25 years.


Because we are well versed in all types of flat roofing, we can customize the perfect solution for your project.

Energy Efficiency

Spray foams and coatings can add R-value to a home, improving the home’s ability to resist outdoor temperatures. This can help lower your annual cooling and heating costs thanks to the added insulation.

Maximize your square footage

A flat roof allows the potential for rooftop gardens, patios, and more ways to get the most out of the space.

Our Projects

7457 E Adobe Drive
Scottsdale, AZ 85255

(480) 445-9240

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Expertise and Experience: Only Employees at Behmer Roofing

At Behmer Roofing, we believe that the key to providing high-quality roofing services is having a dedicated and skilled team of employees. That’s why we don’t use contractors or hire workers on a 1099 basis. By having our own employees, we’re able to maintain a consistent level of workmanship, training, and expertise across all of our projects. Furthermore, as a multi-generational roofing company, we have a long-standing reputation to uphold, and we take pride in providing roofing solutions that will last for generations to come. Our team is dedicated to meeting our exacting standards and delivering results that our customers can depend on. That’s why we only hire employees who are fully committed to meeting our high level of quality, and we make sure they have the training, equipment, and resources they need to get the job done right.

Type of Flat Roofing

Built-Up Flat Roofing Bur

The most common type of flat roofing – built-up rooting (“BUR”) utilizes hot asphalt and multiple alternating layers of roofing felt to create a long-lasting, easy to maintain roof system.


Single-ply roofing refers to multiple types of membrane roofing, especially TPO, PVC, EPDM, and KEE. As opposed to BUR, single-ply roofing is composed of one layer of rubberized polymer membrane heat-welded or glued together.

Modified Bitumen

Modified bitumen roofing is a type of built up roofing where the sheets are modified with a rubber polymer mixed into the asphalt. Mod-bit can be hot-applied, torch-applied, or cold applied.

Spray Foam

SPF Sprayfoam is a monolithic closed cell foam system that is sprayed directly to your flat roof, then coated with an elastomeric coating. Spray foam roofing also provides added R-Value to your home.

Fluid Applied Elastomeric Coatings

Roof coatings can be applied over the existing roof system without having to perform a demolition. They are commonly used for preventative maintenance.

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How long do flat roofs last?

If flat roofs are properly installed by a roofing contractor and regularly maintained or repaired, they have a lifespan of 20-25 years.

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What is the best material for a flat roof?

With opinions vary from roofing contractor to contractor, Behmer Roofing & Sheet Metal stands behind built-up roofing (BUR) as the best material for flat roofs. The material creates the best waterproof seal and is the easiest to repair compared to the other types of flat roofs.

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What are the advantages of flat roofing?
  • Flat roofs are energy efficient and can stand up to climate challenges in all seasons.
  • Flat roofs can last 20-25 years if installed properly.
  • Flat roofing offers customization options and can improve energy efficiency.
  • Flat roofs can maximize square footage with the potential for rooftop gardens, patios, etc.
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How do I know if my flat roof needs to be replaced?

Some common signs that indicate you need to replace your flat roof include:

  • Significant ponding water or standing water on the roof
  • Multiple leaks or frequent roof leaks
  • Cracks, splits or punctures in the roof membrane
  • Blistering or bubbling of the roof membrane
  • Peeling or missing roof coatings
  • Visible signs of aging, such as dry, brittle or cracked roof membrane

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