A: YES - Certain types of metal roofs can be installed over existing asphalt shingles. Leaving the shingles in place will save the cost of removal and disposal of the existing shingles. Leaving the existing shingles in place eliminates any interior damage in the unlikely event of being caught in a sudden rainstorm.

A: YES - Metal roofs weigh up to 1.4 lbs per square foot. Compared to Asphalt Shingles starting at 2.1 lbs per square foot and Concrete Tiles at 7.6 lbs per square foot. While Metal Roofs may be lightweight they are certainly a heavy weight when it comes to performance and durability.

A: YES - You are describing "standing seam roofing". There are alternatives that resemble cedar shakes, tile or slate. These give a traditional appearance with all the benefits of a metal roof.

A: YES - Depending on the type of metal roof and the manufacture, there are limited warranties up to 50 years.

A: YES - Depending on the type of Metal Roof and the site conditions. If you have some general construction experience you can save by installing yourself.

A: NO - A metal roof installed over a solid wood deck is as quiet as other roofing materials even under a heavy rainfall. This is a common misconception associated with metal sheds and barn roofing.