A well-built home can last for hundreds of years, but many of its parts must be replaced or renovated regularly. Here’s a sampling of life expectancies for different products and materials used in the home, as listed in a report titled “1997 Housing Facts, Figures and Trends” published by the National Association of Home Builders (NAHB) based in Washington, D.C.


LIFE SPAN LIFE SPAN
APPLIANCES (in years) DOORS CONTINUED (in years)
Compactor 10 Interior (solid core wood) 30-life
Dishwasher 10 Exterior (protected overhang) 80-100
Garbage Disposer 10 Exterior (unprotected and exposed) 25-30
Dryer 10 Folding 30-life
Freezer (compact) 12 Garage door 20-50
Freezer (standard) 16 Garage door opener 10
Microwave oven 11 FINISHES (Used for waterproofing)
Range (freestanding and built-in, electric) 17 Paint, plaster and stucco 3-5
Range (freestanding and built in, gas) 19 Sealer, silicone, and waxes 1-5
Range (high oven, gas) 14 FLOORS
Refrigerator (compact) 14 Oak orpine Lifetime
Refrigerator (standard) 17 Slateflagstone Lifetime
Washer (automatic and compact) 13 Vinyl sheet or tile minimum 20-30
Exhaust fan 20 Terrazzo Lifetime
BATHROOMS Carpeting 11
Cast iron bathtub 50 Marble Lifetime
Fibre glass bathtub and shower 10-15 FOOTINGS AND FOUNDATIONS
Shower door (average quality) 25 Poured footing and foundation 200
Toilet 50 Concrete block 100
CABINETS Cement 50
Kitchen cabinets 15-20 Waterproofing (bituminous coating) 10
Medicine cabinet/bath vanity 20 Termite proofing 5
COUNTERTOPS Baseboard system 20
Laminate 10-15 HEATING, VENTILATION AND AIR CONDITIONING
Ceramic tile (high-grade installation) Lifetime Air conditioning unit (central unit) 15
Wood/butcher block 20+ Air conditioning unit (window unit) 10
Granite 20+ Humidifier 8
DOORS Water heater (electric) 14
Screen 25-50 Water heater (gas) 13
Interior (not perfect hollow core) <30-life Forced air furnace, heat pump 18
HEATING, VENTILATION AND AIR CONDITIONING ROOFING
Furnace, gas or oil fired 18 Asphalt and wood shingles and shakes 15-30
HOME SECURITY APPLIANCES Tile 50
Intrusion system 14 Slate 50-100
Smoke detector 5 – 10 Sheet metal 20-50
Smoke/fire/intrusionsystem 10 Built-uproofing (asphalt) 25
LANDSCAPING Built-uproofing (coat and tar) 30
Wooden deck 15 Asphalt composition shingle 15-30
Brick and concrete patio 24 Asphalt overlay 25-35
Tennis court 10 SIDING
Concrete walk 24 Gutters and downspouts 30
Gravel walk 4 Siding (wood) 10-100
Asphalt driveway 10 Siding (steel) 50-life
Swimming pool 18 Siding (aluminum) 20-50
Sprinkler system 12 Siding (vinyl) 50
Fence 12 WINDOWS
PAINTS AND STAINS Window glazing 20
Exterior paint on wood, brick and aluminum 7-10 Wood casement 20-50
Interior wall paint 5-10 Aluminum casement 10-20
Interior trim and door 5-10 Screen 25-50
Interior wallpaper 7
PLUMBING
Waste pipe (concrete) 50-100
Waste pipe (cast iron) 75-100
Sinks (enamel steel sink) 15-20
Sinks (enamel cast iron sink) 25-30
Sinks (porcelain sink) 25-30