Reliable Wexford Modified Bitumen Contractor

Your Trusted Roofers

What Is a Modified Bitumen Roofing System?

Modified bitumen roofing is an asphalt-based system enhanced with modifiers like atactic polypropylene (APP) or styrene-butadiene-styrene (SBS) to improve flexibility and durability. It’s typically installed on flat or low-slope roofs, making it ideal for commercial applications. The system comprises multiple layers, including a base sheet, modified bitumen membranes, and a protective cap sheet, providing a seamless and weather-resistant surface.

This system is one of the most common types used in the roofing industry for commercial and industrial buildings due to its longevity and reliability.

Why Are Modified Bitumen Roofs a Good Choice for Flat and Low-Slope Buildings?

Energy Efficiency and UV Resistance

Modified bitumen roofs offer excellent energy efficiency. Their reflective surfaces reduce heat absorption, lowering cooling costs during hot months. Additionally, these roofs are highly resistant to UV radiation, preventing premature aging and degradation. They also contribute to a building’s aesthetic appeal and long-term energy savings in western Pennsylvania.

Durability Against Weather, Wind, and Foot Traffic

Designed to withstand harsh weather conditions, modified bitumen roofing systems are extremely durable. They resist damage from wind, rain, and temperature fluctuations. The robust construction also tolerates foot traffic, making maintenance and inspections safer and easier. If left unchanged, even a small leak or tear can worsen over time—these systems help prevent damage before it spreads.

Components and Installation of Modified Bitumen Roofing

The installation process involves:

Base Sheet: Provides initial waterproofing and a surface for the membrane.
Modified Bitumen Membrane: Applied using torch-down, cold adhesive, or self-adhered methods.
Cap Sheet: Offers UV protection and aesthetic appeal.

Proper roof installation by experienced roofing contractors ensures longevity and performance. Each roofing project is tailored to the unique needs of flat roofs and low-slope structures using proven materials and methods.

APP vs. SBS Modified Bitumen Membranes

reviews & rating

      EXCELLENT  
   Based on 171 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Cheryl Vida 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great experience. Whalen was prompt, courteous and did great work. I had my gutters and downspouts replaced. The work was completed in a timely manner and they were very easy to work with. I would hire them for future projects.
  
 
      Posted on Google  
   
   Bri H 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mike and workers were great.Showed up on time,great communication and did great work.A great company in all.I would definitely use them again and recommend to anyone.
  
 
      Posted on Google  
   
   jeannine hyatt 
 
 
 
 Trustindex verifies that the original source of the review is Google. We had an excellent experience with Whalen. Our project manager, Mike kept us informed every step of the way and was amazing to work with. I highly recommend Whalen for all your roofing needs. Very professional, fair pricing, and excellent work!!!
  
 
      Posted on Google  
   
   Ashley Draxinger 
 
 
 
 Trustindex verifies that the original source of the review is Google. From the scheduling process through the payment process Whalen Exteriors were amazing to work with! They were attentive and really open about all fees and what to expect! I would recommend them to any of my family and friends. It is nice to know it is a family owned company. Their end product is amazing and they were so polite on the job! They truly exceeded every expectation! I would not recommend anyone else for your roofing needs!
  
 
      Posted on Google  
   
   Michael Thompson 
 
 
 
 Trustindex verifies that the original source of the review is Google. From start to finish very professional. Easy to reach when we had questions or concerns. Quality of work speaks for itself. Look forward to using Whalen Exteriors again on our next project.
  
 
      Posted on Google  
   
   Rachel Rekich Momberger 
 
 
 
 Trustindex verifies that the original source of the review is Google. Whalen did a great job.  Crew cleaned up every day, when they ran into anything unplanned (which was minimal) they were up front and gave us options.  Love the work they did, will use them again 100%.
  
 
      Posted on Google  
   
   Vern Brocious 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mike provided me with an thorough and detailed estimate for our roof, complete with drone shots. The crew worked efficiently in the 90+ degree weather over two days to replace my roof. Kenny was the project manager and was very helpful and informative in coordinating the job throughout the whole process. The crew did an excellent job in cleaning up during the job and afterwards. The overall company was very professional and easy to work with, and I would recommend them to anyone looking to get a new roof. Whalen Exteriors is a class act in the roofing business!
  
 
      Posted on Google  
   
   Jennifer Zollman 
 
 
 
 Trustindex verifies that the original source of the review is Google. From the initial estimate to the final cleanup, the entire process was smooth and efficient.The crew was respectful of my property, and my new roof looks fantastic!
  
 
      Posted on Google  
   
   Mike john 
 
 
 
 Trustindex verifies that the original source of the review is Google. Job well done ,great communication, great price
  
 
      Posted on Google  
   
   David Varlotto 
 
 
 
 Trustindex verifies that the original source of the review is Google. Smaller gutter job done very quickly

Why Choose Whalen Exteriors for a Wexford Modified Bitumen Roofing?

Whalen Exteriors is a trusted roofing company serving Wexford and the Greater Pittsburgh area. Our skilled team of roofing contractors specializes in commercial roofing services, including modified bitumen systems. We are Carlisle Certified Applicators and Versico Certified Applicators, ensuring top-quality installation and materials.

Our commitment to customer satisfaction, competitive pricing, and expertise in various roofing systems—including EPDM, TPO, and built up roofing systems—sets us apart. We also offer free drone roof inspections to assess your roofing needs accurately.

From the main roof of your facility to a small porch roof, we deliver quality roof repair, roof replacement, and installation services that exceed expectations.

Industries We Serve with Modified Bitumen Roofing in Wexford

We provide commercial and industrial roofing solutions to various industries, including:

Retail Centers
Office Buildings
Healthcare Facilities
Educational Institutions
Manufacturing Plants
Warehouses

Our experience with different roofing materials, such as metal roofs, tile roofs, concrete surfaces, and ply roofing, allows us to tailor solutions to your specific requirements. We also accommodate residential properties when appropriate, particularly with low slope or flat roof sections. Modified bitumen is among the common types we install due to its proven track record.

Frequently Asked Questions About Modified Bitumen Roofing

How long does a modified bitumen roof last?

When installed correctly and maintained properly, it can last up to 20 years or more.

Can modified bitumen be installed over an existing roof?

Yes, depending on the condition of the existing roof and local building codes.

Is modified bitumen suitable for residential properties?

While primarily used for commercial applications, it can be applied to residential properties with flat or low-slope roofs.

What maintenance does a modified bitumen roof require?

Regular inspections and prompt repairs of any damage, such as a leaky roof, help extend its lifespan.

How does modified bitumen compare to EPDM, TPO, or PVC roofing?

Modified bitumen is more impact-resistant and better suited for areas with high foot traffic. EPDM (ethylene propylene diene monomer), TPO (thermoplastic polyolefin), and PVC (polyvinyl chloride) each offer unique benefits for commercial applications.

Get a Free Drone Roof Inspection by Whalen Exteriors

Ensure your commercial property is protected with a reliable roofing system. Contact Whalen Exteriors today for a free drone roof inspection. Our advanced technology allows us to assess your roof’s surface accurately without invasive methods.

Let our roofing professionals provide you with a free estimate and guide you through your next roofing project—whether it’s a new roof, roof repair, or full roof replacement. Whalen Exteriors delivers a full range of commercial roofing services across western Pennsylvania with unmatched expertise.

Schedule Your Free Inspection

Speak with our team of roofing experts to schedule your free inspection.

Comprehensive Exterior Inspection

Receive your complete exterior inspection using the latest technology and tools such as drones and 3D home renderings.

Explore Demo Bags for Roofing, Gutters, and Siding Materials

Utilize our demo bags for roofing, gutters, and siding materials to see the exact products that will be installed in your home.

Review Your Inspection Results

Review all photos, videos, renderings, and receive your detailed estimate.

Plan Your Project Financing and Schedule

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