Industry analysis has indicated that leaks in metal roof systems predominantly occur at metal panel joints and terminations. The most critical component of a standing seam metal roof system - other than metal panel seams - is at vertical transitions and penetrations. The idea is simple, instead of bottlenecking water behind a roof top obstacle, we will divert the water to the sides with the same metal roofing panel as we used on the roof, the 138 T, hence the name travers. Let me introduce you to the way metal flashings are done with the 138 T standing seam metal roofing, It called the traverse panel detail.The ribs overlap and lock together, concealing the fasteners and giving the roofing its name. Standing-seam roofing consists of individual panels that run the length of the roof with a high rib up each side of the panels. Butyl Sealant tape or Tube Sealant should be used under all Z-Channel.This article explains the proper installation, fastening, and flashing details for standing seam metal roofs. See our installation guide for more info. This guide is does not cover some aspects of installation. Standing Seam Trim Details A brief guide to the various trims used for standing seam metal roofing, as well as how they are installed.

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