It is safe and cost saving, until it is done right by professionals using a high clip in conjunction and sub purling to attach new metal roofing..Roofrestoration guys can do it in very effective ways.
i am not following you completely Jason. tell me more please.
We've re-covered more than 1,000,000 SFT of metal roofs. Mostly commercial utilizing a metal sub-girt frame. It is our prefered method of metal roofing.