Years ago, corrugated tin was a favorite material for metal roofing in South Plainfield NJ; this is no longer true, but metal roofs are still used a great deal. There are five materials, which are commonly used:

Steel: Steel is sturdy and it is by far, the most popular metal roof. There are many ways to protect the material from the elements but when the material is used for roofing, it is usually zinc plated, then a sealant is applied, and then rust-resistant paint is applied.

Stainless steel: Stainless steel needs no further exterior protection; the...