Codes vary, so call your local building department to know how to install metal roofing over shingles properly, code-wise. A ...

His answer: "When the amount of work and the cost of fixing damaged shingles starts to approach the cost for a total roof replacement, then it's probably a better idea to do the latter.

Choosing the right material for a roof replacement project involves balancing durability, aesthetics, cost, and long-term ...