Terne Metal Roofs

Galvanized roofs require the use of a different paint than what is used on terne metal.

Terne metal roofs. It had been painted over the years with a regular roof paint. Terne ii used zinc in place of lead for environmental reasons. Where the metal seams had bent the paint collected as hard blocks. Terne metal started out as an alloy coating of lead and tin that covered steel.

Terne metal has been phased out due to the public outcry about the dangers of lead even though no specific health threat was ever discovered coming from the use of terne metal roofs. Terne is an alloy of lead and tin that provides excellent corrosion protection for steel. Why select terne for your project. Terne is best painted with an oil based paint.

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. Today s lead free version stainless steel sandwiched between layers of tin naturally resists the harshest conditions never needs paint and weathers to a uniform matte gray. The natural surface development makes it a great choice combining beauty and extraordinary durability.

Terne courtesy fine metal roof tech. Terne metal roofing sources products manufacturers classic products website. Roofinox tin matte terne coated is a popular traditional metal for visually appealing and extremely long lasting 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.

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. It was recently taken off the market due to the politics of lead although no specific health threat was ever established. It is also frequently used to restore historic buildings and heritage sites.

As you can see from photo a the paint had peeled off and the roof rusted. Due to its many significant advantages over a simple steel roof such as its resilience and affordability terne metal has remained in high demand. The extremely corrosion resistant z t alloy coating is oxygen reactive and weathers to form an attractive rich earth tone grey patina. A lot of terne roofs are a good 100 years old.

Terne coated stainless steel roofing can last 100 years or more unpainted copper roofing can last 50 years or more unpainted.