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.

Terne metal roofs.

Terne courtesy fine metal roof tech. It had been painted over the years with a regular roof paint. Why select terne for your project. 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.

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

It was recently taken off the market due to the politics of lead although no specific health threat was ever established. Terne roofs can last a very long time. Terne is best painted with an oil based paint. 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.

As you can see from photo a the paint had peeled off and the roof rusted. Roofinox tin matte terne coated is a popular traditional metal for visually appealing and extremely long lasting roofs. It is also frequently used to restore historic buildings and heritage sites. Terne metal started out as an alloy coating of lead and tin that covered steel.

Terne is an alloy of lead and tin that provides excellent corrosion protection for steel. Terne metal roofing sources products manufacturers classic products website. Where the metal seams had bent the paint collected as hard blocks. 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 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. 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. A lot of terne roofs are a good 100 years old.

The natural surface development makes it a great choice combining beauty and extraordinary durability.