The following material was developed for the National Association of Home Builders (NAHB) Economics Department based on asurvey of manufacturers, trade associations and product researchers. Many factors affect the life expectancy of housing components and need to be considered when making replacement decisions, including the quality of the components, the quality of their installation, their level of maintenance, weather and climatic conditions, and intensity of their use. Some components remain functional but become obsolete because of changing styles and tastes or because of product improvements. Note that the following life expectancy estimates are provided largely by the industries or manufacturers that make and sell the components listed.
This site gives life expectancy information for different types of objects ranging from doors to floors to foundations. It would be a good resource for a consumer looking to lengthen the life of their home.
Life Expectancy at the Old House Web.
Posted by Brian Lemmon
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