San Antonio Roofing: Article About Pros and Cons Of Metal Roofs
In the last decade, an increasing number of homeowners as well as commercial property owners have chosen metal roofs over asphalt shingles, tile and other materials. San Antonio roofing contractors are experiencing an increase in demand for the modern styles of metal roofs for both new construction and replacement roofs. Like all roofing materials, there are advantages and disadvantages to the installation of metal.
The primary disadvantage of metal roofs is the initial cost. Although several of the lower end systems will not cost much more than asphalt shingles, the better metal roofing systems are often two to three times more expensive than medium priced asphalt shingles. Despite the difference in the initial cost, however, metal roofs typically last three times longer than asphalt shingles. Many metal roofing systems carry warranties of 50 years or more. Thus, over the lifespan of the property, a metal roof may actually be less expensive.
Occupants may notice increased noise levels when a metal roof is pelted with heavy rain or hail. However, the noise is not comparable to that experienced in rural or commercial buildings that feature old fashioned corrugated metal roofs.
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Modern metal roofing systems, such as standing seam metal roofing systems, typically feature empty spaces between the roof decking and the metal that serve to dampen the noise, and additional insulation can also be installed to muffle the sound even more.
Metal roofs are energy efficient. The metal reflects many of the sun's rays, reducing the volume of hot air that can collect in the attic. This can lower the costs of cooling the structure and make the environment more comfortable for occupants.
Like asphalt shingles, metal roofs are available in an extensive range of colors. However, the paint on metal roofs will fade over time. Most manufacturers offer a 30 year warranty on their paint, but the fading can make it difficult to match the color should a section require replacement or if the structure is expanded.
Metal roofs shed water much easier than asphalt shingles or tile. Gutters may need to be repositioned so that runoff does not overshoot them. Depending on the steepness of the roof, it may be necessary to install larger gutters or downspouts.
The degree to which metal roofs can resist damage from hail depends on the specific system selected. Some metal roofs can be dented by hailstones that are relatively small in size, but other systems offer excellent resistance to hail. Additionally, metal roofs are not flammable. Many insurance companies offer discounts to property owners who have metal roofs, as the risk of fire is mitigated.