Have you ever wondered how long your household appliances should last?

Well, thanks to CNN Money, you need to wonder no more. Check out this slide show that shows the life expectancies of various household components.

Here's a sampling:

• Countertops: 20 years to forever


• Cabinets: 50 years


• Decks: Up to 20 years


• Dishwashers: 9 years


• Electrical: 10 years to a lifetime


• Floors: 25 to 100 years


• Plumbing fixtures: 15 to 50 years


• Refrigerators: 13 years


• Roofing: 20 to 50 years


• Siding and accessories: 20 to 50 years