Negative Aspects Of Metal Roofs On Homes

Talk to your contractor if you want to mix metals on different roof areas or when metals are adjacent to areas including gutters fasteners trim and chimneys.

Negative aspects of metal roofs on homes.

The biggest drawback is initial cost. In addition to leaving you cold thermal bridging can create black staining on the cold portions of the walls. Metal roofs are expensive. The many years of service that a metal roof promises come at a high cost.

As a softer metal hailstones will easily dent the copper. The most conductive path in a steel frame home is the steel itself and heat will move quickly from inside your home to the steel studs in the walls. It is therefore very rare for a homeowner to install more than one metal roof over the time he or she lives in the home. The same goes for your gutter which can accumulate debris.

Metal roofs can be as much as two or three times more expensive than other roofing materials. Disadvantages of metal roofing. The softer nature of copper roofing also means that in hail prone regions it may be easily damaged. Though metal roofing offers many pluses a few drawbacks are worthy of mention.

By contrast a homeowner will likely replace an asphalt shingle roof two or even three or four times over a 50 year period. While the life of a metal roof is much longer investing in a metal roof only makes sense if you plan to stay in your home long enough to enjoy the cost benefits. While they are not nearly as costly as wood shakes high end tile or slate metal roofs do have a higher up front cost compared to most asphalt shingles. However a metal roof does offer a longer lifespan.

According to state farm insurance statistics metal roofs routinely have a longevity of 40 to 70 years. While this lowers the aesthetic value it also performs better than a harder metal that with a large enough hailstone will puncture rather than dent the roof. For the most part metal roofing manufacturers have improved their products to address or solve many of these concerns. The negative aspect of aluminum in the alloy though is that galvalume doesn t self protect scratches or cut edges as well as galvanized steel does.

Many people are put off the idea of buying a metal roof because it will be more expensive than choosing cheaper options such as asphalt shingles. Galvalume steel is also more susceptible to a process known as tension bend staining.