Koppers

Committed to Quality and Service

The Coal Tar Built-Up Roof. After 125 years, it's still the most cost-effective, time-proven roofing system for flat and low-sloped roofs. Simply put, Koppers Coal Tar BUR Roofing Systems are more cost effective because they last. History proves they can withstand freezing winters, blistering summers and pouring rain. Today, Koppers offers you that proven roofing system, along with a technical field service staff that stands at the ready. Ready to answer your questions. Ready to offer recommendations. Ready to help you meet the waterproofing challenges presented by flat and low-sloped roofs.