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Butlerib® II is the basic roof system for the Widespan™ structural system.
Engineered to be economical both to install and to maintain, the Butlerib® II roof system features make it the best through-fastened roof system in the industry.
The Butlerib® II system's panels are available factory cut and punched to ensure accurate endlap alignment and easy installation. Factory-slotted holes allow roof panels to expand and contract during seasonal temperature changes, reducing roof fatigue.
Corrugations standing 1-1/2" high provide extreme durability while offering an attractive appearance and a variety of
Weathertightness is a top priority with the Butlerib® II system. Preformed sealant grooves and guides in the system panels promote accurate sealant placement between panels.
A full return leg along the panel
edge makes for a tighter fit. Butler's exclusive Lock-Rivet™ fastener further enhances the roof's weathertight performance.
An industry-exclusive 10-year weathertightness warranty is available.