Sloped, Built-up
Roofing Materials
Depreciation Rate: 3.33% / year
Keywords: built-up roofing, bur, multi-layer asphalt roof, gravel roof, flat roof material
The Depreciation Calculator should be used as a general guide only; there are many variables which can affect an item's life expectancy that should be taken into consideration when determining actual cash value.
An item that is still in use and functional for its intended purpose should not be depreciated beyond 90%.