Study Reveals Life Expectancy of Doors and Windows

Do you ever wonder how long a certain door or window may last in a house? Well, now thanks to a new study sponsored by Bank of America Home Equity and conducted by the National Association of Home Builders (NAHB), homeowners can have a better idea.

The National Association of Home Builders/Bank of America Home Equity Study of the Life Expectancies of Home Components was conducted in the summer of 2006, says Gopal Ahluwalia, staff vice president for research and surveys in NAHB's Economics Group.

"By polling experts in a wide range of fields, we learned that many home components are expected to last for the life of the house," he says. "Among them are toilets, wood floors, all types of insulation, and fiberglass, steel and wood exterior doors. On the other hand, some components have a much shorter life expectancy. Wood decks should last about 20 years, depending on climate, and kitchen faucets should last about 15 years. Linoleum floors have a life expectancy of about 25 years, and furnaces can be expected to last 15 to 20 years," he adds.

So, how did doors and windows fare in the study?

The report says that exterior fiberglass, steel and wood doors will last as long as the house exists, while vinyl and screen doors have a life expectancy of 20 and 40 years, respectively. Closet doors are expected to last a lifetime, and French doors have an average life of 30 to 50 years.

The life expectancy for windows and skylights are a little less.

Aluminum windows are expected to last between 15 and 20 years while wooden windows should last upwards of 30 years.

[Note: This report should be used as a general guideline only. None of the information in this report should be interpreted as a representation, warranty or guarantee regarding the life expectancy or performance of any individual product or product line. Readers should not make buying decisions and/or product selections based solely on the information contained in this report.]

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