Terne Metal Roofs

It had been painted over the years with a regular roof paint.

Terne metal roofs.

Terne metal started out as an alloy coating of lead and tin that covered steel. 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. Why select terne for your project.

Where the metal seams had bent the paint collected as hard blocks. Their version of terne is a thick layer of 100 tin covering a 441 grade stainless steel base. Due to its many significant advantages over a simple steel roof such as its resilience and affordability terne metal has remained in high demand. 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.

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. Terne metal roofing sources products manufacturers classic products website. As you can see from photo a the paint had peeled off and the roof rusted. 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 was recently taken off the market due to the politics of lead although no specific health threat was ever established. Galvanized roofs require the use of a different paint than what is used on terne metal. The terne coating provides outstanding resistance against severely corrosive atmospheres including those encountered in chemically polluted chlorine laden and marine environments. 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.

The extremely corrosion resistant z t alloy coating is oxygen reactive and weathers to form an attractive rich earth tone grey patina. Terne is an alloy of lead and tin that provides excellent corrosion protection for steel. Terne is best painted with an oil based paint. Roofinox tin matte terne coated is a popular traditional metal for visually appealing and extremely long lasting roofs.

A lot of terne roofs are a good 100 years old. Terne courtesy fine metal roof tech. The natural surface development makes it a great choice combining beauty and extraordinary durability. 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.

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