Can You Place a Metal Roofing System Over a Tile Roof?
https://www.lima-bookmarkings.win/does-a-metal-roof-covering-need-an-underlayment
We have a 1890's residence with a combination Mansard design roof and standard sloped roof covering. We are opting for a mix roof (Malarkey Windsor Tiles on Mansard and also standing joint on incline) on the replacement.