subject: Interesting Metal Roofing Facts For A Homeowner [print this page] Metal roofing has become much more popular in recent years due to many of the design and aesthetic changes made possible by improving technology. While the term metal roof might bring to mind a very ugly corrugated roof popular 50 years ago for barns, the reality of today is far different. The metal of today can easily fool most people looking at it, into believing the roof is made of cedar or tile or some other equally expensive and delicate roofing material.
The life expectancy of a roof of metal is 30 years or more. They are maintenance free and can even be installed over old shingle roofing. Many manufacturers incorporate insulation on the underside, making them energy efficient as well. Metal roofs are also flame retardant with a material grade of A, the highest possible. This can result in a reduction of home insurance rates for some individuals.
Metal roofs will cost more per square foot than the average roof of shingle. Roofing installation costs may also be more expensive. Many roofs made of metal are constructed of steel or aluminum. These materials offer durability combined with minimal weight.
The reason metal panels can be installed right over many existing roofs is because they are so very light. While some materials require stripping of the old roofing and also shoring of the timbers in order to support their weight, metal has no such problems. These materials will usually come in long preformed sheets and installation will often be faster and less messy than with an asphalt roof or cedar shingles.
While some materials have very strict roof pitch requirements the needs of a roof made of metal are a lot more flexible. Although specifications differ with the manufacturers, most metal for roofing can easily tolerate pitches as low as 3 to 12. Individuals whose homes have an even lower pitch might need to consult the individual manufacturer to see if this roofing option would be suitable.
Technology has certainly improved metal roofing options over the last twenty or more years. Metal is much more visually appealing and can imitate the look of many natural materials. Some premium roofs made from metal also come with a lifetime warranty. Improvements in insulation and installation have enabled metal roofs to deaden noise effective and improve their overall R value.
