This specially designed Ridge Cap is made for a Standing Seam Metal Roofing Systems. Fasten both J Channels in correct place, then clip Elite Ridge Cap on to J Channels, secure with Rivets. This allows the contractor to install the Metal Ridge Cap before the Standing Seam Metal panels are installed. Giving your Metal Roof a professional look and venting the ridge at the same time. It’s recommended that you order the metal ridge cap bent slightly steeper then the roof pitch.