Butlerib® II Roof System

The Butlerib® II roof system is the industry’s best through-fastened roof system. Engineered to be economical to install and to maintain, it’s the basic roof system for the Widespan™ structural system.

Features & Benefits

  • With 1½” corrugation, one of the strongest roof systems in the industry
  • Available punched to ensure accurate endlap alignment and easy installation
  • Factory-slotted holes allow roof panels to expand and contract during seasonal temperature changes to reduce wear and tear
  • Pre-formed sealant grooves promote accurate sealant placement between panels
  • “Return leg” full side-lap corrugation provides extra support at the panel side laps
  • Exclusive Lock-Rivet™ fastener further enhances weathertight performance
  • Easily insulated with fiberglass blanket insulation or the ThermaLiner™ insulation system
  • UL Class 90 wind uplift rating, U.S. Army Corps-tested, FM Global available and Miami-Dade County-approved
  • Available 10-year weathertightness warranty

Related Customer Story

Southern California Institute of Architecture (SCI-Arc) Magic Box

The architecture school’s new technology facility incorporated the Butlerib II wall system to easily coordinate with other building components.

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Safeguard your building investment with a Butler Roof System

With a vast network of independent Butler Builder® dealers and more than 100 years of experience building better roofing systems, we have the ability and the experience to strategically and effectively tackle any roofing project, anywhere in the world.