Bergen County Roofing: Article About Metal Roofing Over Shingles

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In recent years, metal roofing has become a popular choice for residential homes both in the city and in the country. This is because it is now available in a variety of styles and colors. Metal roofing can be purchased as corrugated sheet metal, standing seam metal sheets, shingles and tiles. It can even be manufactured to look like other roofing materials.

In order to save money and time, many homeowners want to know if it is possible to install a metal roofing system over an existing shingle roof. It is possible, and many Bergen County roofing contractors will even advertise metal roofing as a material that can be installed over existing roofs that have reached the end of their useful lives, but there are some drawbacks to the process.

The underlying roofing materials and underlying roof structures must be in good condition. There cannot be any leaks in the original roofing material. If there are leaks, installing a metal roof or any other type of roof over the existing roof will not fix the leaks. Instead, the added layer of material will simply complicate the leak repair if the leak is not fixed prior to the installation of the new roof.

Metal shingles usually fit over existing roofs better than a standing seam metal roof.

The expert roofers at All Professional Remodeling in Bergen County NJ can assist you with any questions regarding roofing, gutters or siding.

Homeowners should also be aware that the original roofing material would no longer be able to protect the house once the metal roof is installed. This is because boards must be nailed on top of the existing roofing material in order to provide the metal roof with the support it needs to function correctly.

If the metal roof ever fails or becomes damaged, both roofing layers will have to be removed in order to install another roof, and many insurance companies will not honor a warranty on anything under the top layer of roofing. This could cause problems if the roof encounters storm damage.

The last thing to remember is that building codes must be checked prior to the installation of a second layer of roofing. While multiple layers were considered the industry standard many years ago, they are frowned upon today, and the building codes in the local area may reflect this change in thinking.

If a homeowner does decide to install a metal roof as a standalone roofing system or as a second layer, they can expect that roof to last up to 50 years with minimal maintenance. They can also expect lower energy bills due to the roof's exceptional insulating properties.

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