Terne Coated Metal Roofing

Terne is an alloy of lead and tin that provides excellent corrosion protection for steel.

Terne coated metal roofing.

Terne metal roofing or terne ii coated metal roofing are used where copper roof runoff or corrosion are special concerns. Americans are most familiar with the follansbee terne metal no longer in fabrication which was a zinc tin alloy over top a stainless steel substrate. If you re looking for the best you re looking for a decra roof. Tin coated malleable iron was disappearing at the time.

Terne courtesy fine metal roof tech. Metal construction news july 2020 the stone coated steel roofing system technical manager of boral roofing robin anderson discusses and breaks down everything stone coated steel roofing in this special featured article in metal construction news. Roofinox tin matte terne coated stainless steel is commonly manufactured with type 439 stainless steel coated in both sides with 100 tin unlike the no longer manufactured tcsii. The original tin and lead coated roof used in europe in the 18th century it was often painted to protect its iron substrate.

When compared to regular stainless steel roofinox 20 softer 4 times more matte much easier to solder and due to the low thermal expansion and the high strength of the material it offers a high level. The terne coating is a specially formulated alloy consisting of zinc and tin in order to dramatically increase the metal s corrosion resistance. Proudly manufactured in the u s decra roofs are crafted with meticulous attention to durability and longevity. Copper and terne rolled roofs were very popular during that vintage terne more so because it was less expensive.

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. Highly corrosion resistant which makes it an ideal roofing material. Tcsii or tcs2 terne coated stainless steel sheet metal is manufactured with type 304 stainless steel coated in both sides with terne alloy 50 tin 50 zinc. Terne coated stainless steel roof panels terne coating is a a zinc tin alloy metal coating process that gives extra corrosion resistance.

Terne clad coated stainless steel or terne metal to which it is often referred in the industry is a special metal often used in restoration contexts but has many applications. Independence gray tcs ii satin type 304 architectural grade stainless steel freedom gray dhp copper are both coated with revere copper inc s hot dipped z t alloy 50 tin 50 zinc coating. In the 1860 s the options for metal roofs were copper lead tin coated iron and terne coated steel. It offers a soft looking protective patina that develops after exposure to the elements.

It can also be manufactured with 316l stainless steel when more corrosion resistance is needed.