Life Expectancies

Nothing lasts forever. Many factors affect the lifespan of the systems and components of your home. The original quality of the materials and workmanship is the most important consideration. Then comes the use, care and maintenance. The following list is a guideline based on average quality and maintenance

Roof Systems:
Slate	60 to 100 years
Tile	60 to 100
Metal	50 to 90
Cedar	30 to 50
Asphalt Shingles	15 to 30
4-Ply Built-up roofing (flat)	10 to 20
Roll	5 to 10

Gutters and Downspouts:
Copper	40 to 90 years
Galvanized	20 to 25
Aluminum	20 to 25
Plastic	varies based on quality

Siding:
Brick or Masonry	100+ years
Stucco	100+
Cement-asbestos	40 to 100
Vinyl	25 to 40
Aluminum	20 to 25
Wood	20 to 40
Exterior Paint	2 to 5

Outside Components:
Asphalt Driveway	5 to 10 years
Wooden Deck	10 to 15
Doors	12 to 15
Garage Door Opener	8 to 12

Plumbing:
Plastic Pipe	unknown
Copper Pipe	70+ years
Cast Iron Pipe	50 to 90
Lead Pipe	50 to 70
Septic System Field Tiles	25 to 30
Water Heater	8 to 15

Heating and Air Conditioning:
Furnace	20 to 25 years
Boiler	20 to 25
Cast Iron Boiler	30+
Air Conditioning Compressor	10 to 15
Fans	15 to 30
Pumps	10 to 20

Household Appliances:
Range	18 to 20 years
Refrigerator	18 to 20
Dishwasher	8 to 12
Garbage Disposer	8 to 12
Trash Compactor	8 to 12
Clothes Washer	10 to 15
Clothes Dryer	12 to 15