What Are SBS Modified Bitumen Roofs?

SBS Modified Bitumen roofing systems are durable multi-layer flat roofing membranes designed for long-term weather resistance and waterproofing performance. SBS stands for Styrene Butadiene Styrene — a rubber-enhanced asphalt membrane engineered to improve flexibility, impact resistance, and cold-weather durability.
These roofing systems are widely used across commercial and residential flat roofs in Edmonton because they perform exceptionally well under harsh Canadian weather conditions, including snow accumulation, freezing temperatures, hail, and UV exposure.

How Are SBS Modified Bitumen Roofs Made?

SBS Modified Bitumen roofs feature several layers of carefully engineered asphalt, also known as bitumen. This sticky black petroleum product is a common construction material. Asphalt is softened by heat, making it easy to apply to many surfaces. Once bitumen dries, its solid surface can withstand heavy traffic and UV damage.

SBS Mod Bit roofs improve asphalt’s classic performance to provide even better strength, flexibility, and longevity. SBS roofing membranes are factory-produced as long, flexible strips. Asphalt layers are modified with rubber, plastic, or other flexible industrial materials to make them resilient and adaptable. Next, reinforcing ingredients increase the system’s strength and stability. The resulting materials are stronger and more protective than other systems.

An SBS roofing system typically includes:

Three-ply systems include an additional SBS layer. Whether you choose a two-ply or three-ply system, your roof’s layers work together to provide years of dependable, robust protection.

The Benefits Of SBS Modified Bitumen Roofing

Durable flat roofing systems designed for long-term performance in Alberta’s extreme climate conditions.

How Are SBS Modified Bitumen Roofs Made?

As the name implies, torch-applied roofing systems require heat during installation. SBS Mod Bit membranes are rolled from long sheets onto your roof. Once the membrane is in place, our expert roofers use portable propane torches to heat the system.

The torch’s heat softens the asphalt layers, encouraging them to mould to the unique shape of your roof. Torching the membrane also actives its bottom layer of heat-fusible adhesive. We seal seams using the torch to provide a solid connection between rows of the membrane. Depending on your roof’s unique needs, your base sheet will be either fully adhered or mechanically attached.

Our Service Area

Iron Shield Roofing is here to build and maintain life-long relationships with our clients. Our roofs and our workmanship are long-lasting, but we look forward to working with our community on their next project down the road. Whether you’re expanding your business, moving to a new location, or building a new home, we want to be a part of your journey. Get in touch today to learn more about Iron Shield Roofing and see how we can enhance and protect your next project.

01

Certified Commercial Roofing Specialists

Our trained roofing professionals understand the complexities of flat roofing systems and commercial roofing applications.

02

Premium Roofing Materials

You receive a clear quote outlining materials, labor, timelines, and replacement recommendations with no hidden surprises.

03

Reliable Workmanship Warranty

Every SBS roofing project is backed by professional workmanship standards and warranty protection.

04

Local Edmonton Roofing Experts

We understand Alberta’s harsh weather conditions and install systems built specifically for this environment.

SBS Roofing System Types We Install

Torch-applied SBS systems provide superior waterproofing and long-term membrane adhesion for commercial buildings.

Learn About SBS Modified Bitumen Roofing With Iron Shield

SBS Modified Bitumen roofing systems provide long-lasting waterproof protection, superior flexibility, and dependable durability for commercial and residential flat roofing projects.

Whether you’re planning a new roof installation or replacing an aging flat roof, SBS roofing systems offer a reliable long-term investment designed to perform in Alberta’s demanding climate.

Professional installation ensures maximum roofing lifespan, performance, and weather resistance. Iron Shield Roofing delivers experienced workmanship, premium materials, and trusted roofing solutions tailored to your property.

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