Corrugated or Standing Seam Metal Roofing?

Corrugated Metal Roofing

A corrugated metal roof is incredibly cost effective, durable and sturdy, and has long been the preferred material for roofing for agricultural and industrial buildings. In comparison to an ordinary roof covered with asphalt shingles, a corrugated metal roof can last up to three times as long as asphalt, or 25 to 60 years. Corrugated metal sheets are commonly made from 29 or 26-gauge steel (typically G-60 or G-90 hot-dip galvanized steel), also referred to as G-29 or G-26. It is slightly thinner than standing seam.

 

Standing Seam Metal Roofing

Standing seam metal roofs get their name from the way that they are built. They are constructed of metal panels that run from your ridge down to the edge of the roof. At the edge of each panel is a tall seam that connects to the next panel anywhere from ½-inch to 1-1/2-inches above the roof so it appears the seam is “standing”. They can be made of steel or aluminum, with aluminum being the preferred material because it will not rust. In addition to their looks and the fact that they may help keep your home cooler, the biggest advantage to using this style of roof is its durability. These roofs are built to last, so they don’t rust and most don’t fade in the sun, either. The fact that the seams of the roof only run vertically, not horizontally, and the fact that the seams are raised above the roof itself means that a roof’s traditionally weakest point is reinforced on these roofs. So while they can be dented by hail or pierced by a very heavy tree limb, they tend to last much longer than a standard asphalt roof – up to 50 years in comparison to the 17 to 20 of an asphalt roof.

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