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Butlerib® II Roof System

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

Illustration of Butlerib® II Roof System

Features And Benefits

  • 1½” corrugation makes the Butlerib II roof panel one of the strongest 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

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