Built-Up Roof (BUR) Systems

Built-up roofing — multiple layers of bitumen and reinforcing fabric topped with gravel or a cap sheet — is one of the oldest commercial roof systems still in service today. Decades of field history have proven it durable, fire-resistant, and reliable in extreme climates, which is why BUR remains a common choice for low-slope commercial and industrial buildings.

Alpine's low-slope team has installed BUR systems across the Front Range for buildings of every size. We'll evaluate your existing roof, recommend the right multi-ply assembly, and install it to manufacturer spec for a strong warranty.

Key features

• Multiple redundant layers — long service life
• Excellent fire and impact resistance
• Strong manufacturer warranties
• Proven performance in extreme weather

Common applications

• Commercial and industrial low-slope roofs
• Government and institutional buildings
• Retrofits where redundancy and fire-rating matter