S-5! Clamp, CorruBracket mount for corrugated metal roofs, Hardware not included CorruBracket The CorruBracket has been tested for load-to-failure results on wood decking, metal and wood purlins. The independent lab test data found at www.S-5.com can be used for load-critical designs and applications. S-5! holding strength is unmatched in the industry. Due to the various applications, CorruBracket does not come with bolts. CorruBracket can be used to mount almost anything to corrugated metal roofing and is compatible with 7/8" and 3/4" corrugated roofing.The CorruBracket comes with factory-applied butyl sealant already in the base, and the S-5!® patented reservoir conceals the sealant from UV exposure, preventing drying and cracks.