Generally speaking, though, a quality metal roof will often total about two to three times the cost of a fiberglass shingle roof, Miller says. So, for a typical 2,500-square-foot home with a 4,000 ...

Because of the composition of the fiberglass mat, less asphalt is needed to give the shingles their durability and strength. The result is a lighter weight and thinner roofing material.

And it’s not just fiberglass. The synthetic underlayment under the shingle, the ice and water leak barrier on the edge of the roof, and the aluminum drip edge could all cost more. Wenglikowski ...

Over the next 50 years if you continue to install an asphalt roof it’s going to end up costing you much more. Steel is ...