Terne Flat Seam Roof

Pier 2 brooklyn bridge park.
Terne flat seam roof. World trade center vesey street bridge. Terne metal use on building roofs exteriors terne metal roofing or terne ii coated metal roofing are used where copper roof runoff or corrosion are special concerns. Terne flat seam a roof cover made of sheets of steel or iron coated with a terne alloy 80 lead and 20 tin making it highly resistant to corrosion. World trade center vesey street bridge.
Panel edges along rakes and eaves lock over a drip edge flashing follow as shown in figure standing seam edge detail below. The terne metal coating created a corrosion resistant surface. Assumes custom roof material colors and patterns typical of high value homes. Thomas jefferson was an early advocate of tin roofing and he installed a standing seam tin roof on monticello ca.
In the late 1800s steel roofs began to be coated with terne metal. Americans are most familiar with the follansbee terne metal no longer in fabrication which was a zinc tin alloy over top a stainless steel substrate. Terne coated stainless steel roof panels terne coating is a a zinc tin alloy metal coating process that gives extra corrosion resistance. The pieces are connected with interlocking flat seams.
Tarrytown station metro north. Tin plate iron commonly called tin roofing was used extensively in canada in the 18th century but it was not as common in the united states until later. Copper in the. It was recently taken off the market due to the politics of lead although no specific health threat was ever established.
Standing seam terne metal roof. January 28 2010 by thomas petrilli. For copper and then bend as shown. Pier 2 brooklyn bridge park.
Metal roofing panel systems including standing seam flat seam copper aluminum zinc terne coated stainless steel and galvanized panels. This is tcs ii. Metal was also formed into ridge caps for wood shingled roofs and used to line built in box gutters. Terne z t alloy coated products are readily used for almost all types of architectural roofing and wall cladding applications standing seam batten seam flat lock flashings rainwater systems and many other applications.
Cut flat lock metal roof panels from 20x28 in. Look at a dime. Metal was laid on bay windows porch roofs and other semi flat roofs. Lock panels to l flashing bent from flat stock metal at vertical walls.
A mixture of around 15 tin and 85 lead. Panels for terneplate or 18x24 in. Terne is an alloy of lead and tin that provides excellent corrosion protection for steel. Terne clad coated stainless steel or terne metal to which it is often referred in the industry is a special metal often used in restoration contexts but has many applications.