The New Evolution sliding standing seam roofing with directional clips on a single layer or double layer of Z-profiles. Evolution requires no mechanical zipping or crimping. The unique patented interlocking system male and female joint allows the Roofing Installer to install Standing Seam without the cost of time consuming halter layout and of of course saves major time as Evolution does not require to be zipped or crimped.
![Seam - ####### [###20080327] - JBoss...Table of Contents JBoss Seam## .....xi 1. Seam ## .....1](https://img.pdfslide.net/doc/110x75/60d604b5fa8e121d9f6a07dc/seam-20080327-jboss-table-of-contents-jboss-seam-xi.jpg)
