Our metal roof is made of terne metal.
Terne metal roof paint.
I had a 1922 standing seam terne metal roof with multiple peeling layers and have successfully removed all multiple prior coatings with a two step method.
Subsequently the stainless copper or steel strip is dipped in that melted metal.
In 2012 follansbee steel history video stopped producing what we have come to know as terne metal or tin roofing.
The company was founded in the early 1800 s and had changed hands a number of times since then.
The terne coating does not accommodate fungal growth or lichen.
Terne z t alloy coated products are essentially maintenance free with no protective surface painting or treatment required.
Galvanized roofs require the use of a different paint than what is used on terne metal.
Terne is a mild steel with a coating of zinc and tin alloy to protect the steel from rust.
Not using a sealant.
As you can see from photo a the paint had peeled off and the roof rusted.
Historic terne metal was commonly manufactured in a manual production sequence.
Tin matte versus historic and current terne coating.
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 is best painted with an oil based paint.
Where the metal seams had bent the paint collected as hard blocks.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Read more about the history of terne metal on wikipedia.
Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941.
This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
Some historical homes have terne metal roofs and these need to be painted with oil based paint.
For pricing and availability.
During this hot dip process an alloy of lead and tin is melted.
Choose a paint that s right for your metal roof.
Find either oil based or acrylic based paint at your local home improvement store.
An examination showed that the metal was solid with a few small holes.
To avoid staining due to oxides or chemical reaction debris should be removed promptly.
Discolouration due to this is an aesthetic problem only.