Building Envelope Performance Expert Witnesses & Siding

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Building envelope performance expert witnesses may opine on issues relating to the National Association of Home Builders/Bank of America Home Equity Study of Life Expectancy of Housing Components

Siding and Accessories
Outside materials typically last a lifetime. Brick, vinyl, engineered wood, stone (both natural and manufactured), and fiber cement will last as long the house exists. Exterior wood shutters are expected to last 20 years, depending on weather conditions. Gutters have a life expectancy of more than 50 years if made of copper and for 20 years if made of aluminum. Copper downspouts last 100 years or more, while aluminum ones will last 30 years.