Built-Up & Modified Bitumen Roof Restoration in Tomah, WI

Restore Your Flat Roof Without the Cost of Full Replacement

Built-up (BUR) and modified bitumen roofing systems have been trusted for decades to protect flat and low-slope commercial buildings. Known for their durability and multi-layered asphalt construction, these systems hold up well over time—but they’re not immune to aging, cracking, and water intrusion.



At Gliding Eagle Roofing, we offer expert restoration services for built-up and modified bitumen roofs that eliminate leaks, reinforce the surface, and extend your roof’s life—without the disruption or cost of a full tear-off.

What Are Built-Up & Modified Bitumen Roofs?

Built-Up Roofing (BUR)

Often called "tar and gravel" roofs, BUR systems are composed of alternating layers of asphalt and reinforcing fabrics. These layers are then topped with gravel or a reflective coating. They’ve been widely used for commercial roofing due to their strength and longevity.


Modified Bitumen

Modified bitumen systems are asphalt-based but enhanced with rubber or plastic modifiers for added flexibility. These membranes are typically rolled out and heat-sealed onto the surface, offering excellent resistance to foot traffic and temperature extremes.

Common Issues With Aging BUR & Modified Bitumen Roofs

Even the best asphalt-based roofing systems degrade over time. Signs you may need restoration include:

  • Cracks or blisters in the membrane
  • UV damage and surface erosion
  • Standing water and poor drainage
  • Exposed or loose seams
  • Water leaks and interior staining
  • Loss of reflective coating
  • 

If you’re seeing any of these issues, don’t wait for them to escalate into expensive repairs. Restoration can add 10–15 years of performance to your existing system.

Benefits of Restoring Asphalt-Based Roofing Systems

Save Thousands Over Replacement
 Restoration typically costs 30–50% less than a full replacement.


Improve Energy Efficiency
 Reflective coatings reduce roof temperatures and lower cooling bills.


Extend Roof Lifespan
 Add up to 15 years of serviceable life without removing the original system.


Minimize Business Disruption
 No tear-off means less noise, mess, and downtime for your operations.



Strengthen Leak Resistance
 Our systems eliminate active leaks and prevent future water intrusion.

Get a Free Roof Assessment Today

Gliding Eagle Roofing proudly serves Tomah and commercial property owners throughout Central Wisconsin. Whether you're managing a school, warehouse, retail building, or municipal facility, our team brings over a decade of expertise and a reputation for honest, high-quality work.


If your built-up or modified bitumen roof is showing signs of aging, don’t wait until it fails. Our restoration solutions can help you protect your investment and save money.


Call us or contact Gliding Eagle Roofing online to schedule your free commercial roof evaluation.