Terne Metal Roofs

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

Terne metal roofs.

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. A lot of terne roofs are a good 100 years old. 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.

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. 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.

It was recently taken off the market due to the politics of lead although no specific health threat was ever established. Our metal roof is made of terne metal. Roofinox tin matte terne coated is a popular traditional metal for visually appealing and extremely long lasting roofs. Terne ii used zinc in place of lead for environmental reasons.

The extremely corrosion resistant z t alloy coating is oxygen reactive and weathers to form an attractive rich earth tone grey patina. Terne courtesy fine metal roof tech. 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 started out as an alloy coating of lead and tin that covered steel. 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. Terne roofs can last a very long time.

It had been painted over the years with a regular roof paint. It is also frequently used to restore historic buildings and heritage sites. Where the metal seams had bent the paint collected as hard blocks. 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 natural surface development makes it a great choice combining beauty and extraordinary durability.