Can You Put a Steel Roof Over a Shingle Roof covering?

https://stephenousl427.hatenablog.com/entry/2020/04/07/011517

It's consequently that Beartooth Metal Roof covering in Invoicings always detach the old tiles before using a new roof covering. I've done a number of roofings on decks as well as outhouses on my ranch with Advantage-Lok.