Terne Metal Roofs

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Terne metal roofs.

The patina creates an elegant tin grey surface exposure to the weather leads to the patination process ideal for all roof types including drainage solutions and accessory pieces. It had been painted over the years with a regular roof paint. Terne metal started out as an alloy coating of lead and tin that covered steel. It was recently taken off the market due to the politics of lead although no specific health threat was ever established.

Why select terne for your project. The natural surface development makes it a great choice combining beauty and extraordinary durability. As you can see from photo a the paint had peeled off and the roof rusted. Terne is best painted with an oil based paint.

The extremely corrosion resistant z t alloy coating is oxygen reactive and weathers to form an attractive rich earth tone grey patina. It is also frequently used to restore historic buildings and heritage sites. Galvanized roofs require the use of a different paint than what is used on terne metal. Our metal roof is made of terne metal.

The original tin and lead coated roof used in europe in the 18th century it was often painted to protect its iron substrate. Terne is an alloy of lead and tin that provides excellent corrosion protection for steel. Where the metal seams had bent the paint collected as hard blocks. Terne coated stainless steel roofing can last 100 years or more unpainted copper roofing can last 50 years or more unpainted.

The terne coating provides outstanding resistance against severely corrosive atmospheres including those encountered in chemically polluted chlorine laden and marine environments. Terne coated stainless steel tcs ii or roofinox or copper is commonly used to replace terne metal roofs as either material will outlast terne metal. Their version of terne is a thick layer of 100 tin covering a 441 grade stainless steel base. A lot of terne roofs are a good 100 years old.

Terne ii used zinc in place of lead for environmental reasons. Terne courtesy fine metal roof tech. Due to its many significant advantages over a simple steel roof such as its resilience and affordability terne metal has remained in high demand. Roofinox tin matte terne coated is a popular traditional metal for visually appealing and extremely long lasting roofs.

Terne metal roofs are extremely long lasting but because they look very similar to galvanized metal a person can unknowingly invite problems if they use the wrong paint.