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Installing Metalwork
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Jason Senior installs the zinc-coated copper on this eyebrow window at TOH's 2017 Idea House in Rhode Island.
Overlapping Metal
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The eyebrow window is made of several pieces of zinc-coated copper that hook together with metal tabs. Rosin paper is placed over the existing metal to keep it scratch- and dent-free.
Securing the Metal
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The edge of the zinc-coated copper sheets is folded over and underneath the drip edge to lock it in place.
Removing Excess
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After bending the metal over the drip edge, the excess will be trimmed with shears.
Creating Drip Cap
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Here, Jason is using a tin-knocker’s hammer to create a drip cap on the eyebrow window.
Tin Knocking
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To keep the metal bent in place, Jason hits the metal to make a square mark, in a meticulous hand-done process called tin knocking.
Crimping the Metal
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The overlapping fold creating the drip edge is finished with the use of a metal crimping tool.
Prepping the Metal
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Stay Tuned!
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Here, Jason is soldering the joint closed. This project took one day to template, one to fabricate in the shop, and a third day of installation, according to builder Jeff Sweenor.
Keep following the Idea House progress for more behind-the-scenes photos, and catch the big reveal in the October issue of This Old House magazine.