How to Install a Standing Seam Box Rake / Gable: SMI Detail RK1

Learn how to install the Sheffield Metals RK1 standing seam metal roof rake / gable detail with expert guidance and pro tips in this comprehensive video tutorial.
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Rake / Gable flashing helps protect the end of a roof plane from the elements and gives the building a clean, finished look. In this video, Jason from the Sheffield Metals Technical department demonstrates step-by-step how to install the Sheffield Metals RK1 box rake / gable detail. Watch to learn how to prepare your flashing metal, assemble the components, and tie in two opposing roof plane gables.
Choose a profile and download your standing seam installation manual here: bit.ly/sheffield-metals-profiles
Learn how to install a bullnose rake / gable detail in this video: bit.ly/bullnose-rake-detail-video
Please note the installation details and methods shown in this video are for reference only. Sheffield Metals recommends following their published installation details or for WTW projects following the required details issued and marked approved for that specific project.
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[@loriw7867]

Excellent!!! You are the epitome of a true standing seam craftsman!!!

[@gregben]

Thanks for this. I would like to see how the rake trim was hooked onto the z-closure and cleat. Good idea to use contrasting colors.

[@jameswolfe4712]

Run your left side Gable Trim first, then your able to cut everything with leftys.

[@user-ns9ss4jk2m]

How does this detail allow for expansion and contraction of the panel, along its length? Especially for longer panels.

[@averageliving4Life]

That top z should lap over the lower piece right?

[@TheMetalRoofingChannel]

The upper z-closure should actually be lapped underneath the lower z-closure. It sounds counterintuitive, but we're creating a proper lap on the outside of the flashing envelope when we do it that way. -Thad

[@allthingsgrowing]

can you tell me what size rivets you are using? Dimension? Length? nobody seems to cover this.