April 3, 2013 The following chart details the predicted life expectancy of household materials and components. Interior and exterior paints can last for 15 years or longer, however homeowners often paint more frequently. Surface preparation is likely the most important determiner of paint life expectancy. ADHESIVES, CAULK AND PAINTS YEAR Caulking 5-10 Paint 7 Roofing Adhesives 15+ Appliance life expectancy depends to a great extent on the use it receives. Furthermore, consumers often replace appliances long before they become worn out due to changes in styling, technology and consumer preferences. Of a home’s major appliances, gas ranges have the longest life expectancy. APPLIANCES YEARS Air-Conditioners 8-15 Boilers 20-35 Compactors 6 Dehumidifiers 8 Dishwashers 9 Disposers, Food waste 12 Dryers 13 Exhaust Fans 10 Freezers 10-20 Furnaces 15-25 Gas Ovens 10-18 Heat Pumps 16 Humidifiers 8 Microwave Ovens 9 Range/Oven Hoods 14 Electric Ranges 13-15 Gas Ranges 15-17 Refrigerators 9-13 Washing Machine 5 -15 Water Heaters 10-11 BATHROOM YEARS Cast Iron Bathtub 50 Fiberglass Bathtub and Shower 10-15 Shower Door 25 Toilet 50 Kitchens are in the process of becoming larger and more elaborate, and together with the family room, modern kitchens now form the “great room.” Great rooms are a place to cook as well as a space where people gather to read, talk, eat, do homework, surf the Internet, and pay bills. CABINETRY & STORAGE YEARS Bath Cabinets 100+ Closet Shelves 100+ Entertainment Centers/Home Office 10 Garage/Laundry Cabinets 100+ Kitchen Cabinets 50 Medicine Cabinets 20+ Modular/Stock Manufacturing Type 50 Walls and ceilings last the full lifespan of the home. CEILINGS, WALLS & FINISHES YEARS Acoustical Ceiling 100+ Ceiling Suspension 100+ Ceramic Tile 100+ Standard Gypsum 100+ Natural stone countertops, which are less expensive than they were just a few years ago, are becoming more popular and one can expect them to last a lifetime. Cultured marble countertops have a shorter life expectancy, however. COUNTERTOPS YEARS Cultured Marble 20 Natural Stone 100+ Laminate Countertops 20 – 30 Tile 100+ Wood 100+ Decks are exposed to a wide range of conditions in different climates, from wind and hail in some areas to relatively consistent, dry weather, in others. Under ideal conditions, they have a life expectancy of about 20 years but they can fail much sooner. DECKS YEARS Deck Planks 25 Wood 10-30 Exterior fiberglass, steel and wood doors will last as long as the house, while vinyl and screen doors have a shorter life expectancy. Closet doors may last a lifetime, but French doors will fail sooner. DOORS YEARS Closet (Interior) 100+ Fiberglass (Exterior) 100+ Fire-Rated Steel (Exterior) 100+ French (Interior) 30-50 Screen (Exterior) 40 Vinyl (Exterior) 20 Wood (Exterior) 100+ Wood (Hollow Core Interior) 20 – 30 Wood (Solid Core Interior) 30 – 100+ Floor and roof trusses and laminated strand lumber are durable household components, and engineered trim may last 30 years. ENGINEERED LUMBER YEARS Engineered Trim 30 Laminated Strand Lumber 100+ Laminated Veneer Lumber 80+ Trusses 100+ FIXTURES & FAUCETS YEARS Accessible/ADA Products 100+ Enamel Steel Kitchen Sinks 5-10 Faucets 15-20 Modified Acrylic Kitchen Sinks 50 Saunas/Steam Rooms 15-20 Shower Enclosures/Modules 50 Shower heads 100+ Soapstone Kitchen Sinks 100+ Toilets/Bidets 100+ Whirlpool Tubs 20-50 Natural wood floorings may las as long as the house. Marble, slate, and granite are also expected to last for about 100 years, but require more maintenance. Vinyl floors last up to 50 years, linoleum about 25 years, and carpet between 8 and 10 years (with appropriate maintenance and normal traffic). FLOORING YEARS All Wooden Floors 100+ Bamboo 100+ Brick Pavers 100+ Carpet 8-10 Concrete 50+ Engineered Wood 50+ Exotic Wood 100+ Granite 100+ Laminate 15-25 Linoleum 25 Marble 100+ Other Domestic Wood 100+ Slate 100 Terrazo 75+ Tile 75-100 Vinyl 25 Concrete and poured block footings and foundations will last a lifetime, assuming they were properly built. Termite proofing of foundations will last about 12 years if the chemical barriers put in place during construction are left intact. Waterproofing with bituminous coating lasts 10 years, but if it cracks it is immediately damaged. FOOTING & FOUNDATIONS YEARS Baseboard System 50 Bituminous Coating Waterproofing 10 Cast Iron Waste Pipe (Above Ground) 60+ Cast Iron Waste Pipe (Below ground) 50 – 60 Concrete Block 100+ Concrete Waste Pipe 100 Poured Footings and Foundations 100+ Pumps, Sumps, and Wells 5-12 Termite Proofing 12 Framing and structural systems have extended longevities; poured-concrete systems, timber frame houses and structural insulated panels will all last a lifetime. Wall panels and roof and floor trusses will also last a lifetime. Hardboard, softwood, and plywood last an average of 30 years, while OSB and particleboard are expected to last twice that long. FRAMING & OTHER STRUCTURAL SYSTEMS YEARS Poured-Concrete Systems 100+ Structural Insulated Panels 100+ Timber Frame Homes 100+ Garage door openers are expected to last 10 to 15 years, and light inserts will last slightly longer. GARAGES YEARS Garage Doors 20-25 Garage Door Openers 10-15 Light Inserts 20 Home technology systems have diverse life expectancies. While a built-in audio system will last 20 years, security systems and heat/smoke detectors have life expectancies of 5 to 10 years. Wireless home networks and home automation systems are expected to work properly for more than 50 years. HOME TECHNOLOGY YEARS Built-in Audio 20 Home Automation Systems 100+ Security Systems 5-10 Smoke/Heat Detectors Less Than 10 Wireless Home Networks 50+ Heating, ventilation, and air conditioning systems require regular maintenance in order to work properly, but even well-maintained systems only last 15 to 25 years. Furnaces, on average, last 15-20 years, heat pumps last 16 years, and air conditioning units last 10-15 years. Tankless water heaters last more than 20 years, while an electric or gas water heater has a life expectancy of about 10 years. Thermostats may last 35 years but they are usually replaced before they fail due to technological improvements. HVAC YEARS Air Conditioners 10-15 Air Quality Systems 15 Attic Fans 15 – 25 Boilers 13-21 Burners 10+ Central Air Conditioning Unite 12-15 Dampers 20+ Dehumidifiers 8 Diffusers, Grilles, and Registers 25 Ducting 10 DX, Water, Or Steam 20 Electric 15 Electric Radiant Heater 40 Furnaces 15-20 Heat Exchangers, shell + tube 10-15 Heat Pumps 16 Heat Recovery Ventilators 20 Hot Water or Steam Radiant Heater 40 Induction and Fan-Coil Units 10-15 Molded Insulation 100+ Shell and Tube 20 Thermostats 35 Ventilators 7 Water Heaters 20+ As long as they are not punctured, cut, or burned and are kept dry and away from UV rays, cellulose, fiberglass, and foam insulation materials will last a lifetime. This is true regardless of whether they were installed as loose fill, house wrap, or batts/rolls. INSULATION & INFILTRATION BARRIERS YEARS Batts/Rolls 100+ Cellulose 100+ Fiberglass 100+ Foam 100+ House Wrap 100+ Loose Fill 100+ Ladders are expected to last a lifetime, but life expectancy of lifts is significantly shorter. JOB SITE EQUIPMENT YEARS Ladders 100+ Lifts 8-10 Copper plated wiring, copper clad aluminum, and bare copper wiring are expected to last a lifetime, whereas electrical accessories and lighting controls may need to be replaced after 10 years. >LIGHTING & ELECTRICAL YEARS Accessories 10+ Bare Copper 100+ Copper Clad Aluminum 100+ Copper Plated 100+ Lighting Controls 10+ Masonry is one of the most enduring household components. Fireplaces, chimneys, and brick veneers can last the lifetime of a home. MASONRY & CONCRETE YEARS Brick 100+ Sealer Caulking 2-20 Stone 100+ Veneer 100+ Custom millwork will last a lifetime, and all stairs – circular and spiral stairs, prebuilt stairs and attic stairs – are expected to last a lifetime. MOLDING & MILLWORK YEARS Attic Stairs 100+ Custom Millwork 100+ Prebuilt Stairs 100+ Stair Parts 100+ Stairs, Circular & Spiral 100+ Lifetime of any wood product depend on level of moisture intrusion PANELS YEARS Flooring Underlayment 25 Hardboard 30 Particleboard 60 Plywood 60 Softwood 30 Oriented-Strand Board 60 Wall Panels 100+ The life of a roof depends on local weather conditions, building and design, material quality, and adequate maintenance. Slate, copper, and clay/concrete roofs have the longest life expectancy while roofs made of asphalt shingles, fiber cement or wood shakes will fail sooner. ROOFING YEARS Aluminum Coating 3-7 Asphalt Shingles (3 – tab) 20 Asphalt (Architectural) 30 BUR (Built-up Roof) 30 Clay/Concrete 100+ Coal and Tar 30 Copper 100+ EPDM (Ethylene Propylene Diene Monomer) Rubber 15 – 25 Fiber Cement 25 Modified Bitumen 20 Simulated Slate 50 Slate 50+ TPO 7 – 20 Wood 30 Outside materials typically last a lifetime. Brick, vinyl, engineered wood, stone (both natural and manufactured), and fiber cement will last as long the house. 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. SIDING & ACCESSORIES YEARS Aluminum Downspouts 30 Aluminum Gutters 20 Aluminum/Interior Shutters 10+ Brick 100+ Copper Downspouts 100 Copper Gutters 50+ Engineered Wood 100+ Fiber Cement 100+ Galvanized Steel Gutters/Downspouts 20 Manufactured Stone 100+ Soffits/Fascias 50 Stone 100+ Stucco 50 – 100 Trim 25 Vinyl 100+ Wood/Exterior Shutters 20 Wood/Interior Shutters 15+ Most landscaping elements have a life expectancy of 15 to 25 years. Sprinklers and valves last about 20 years, while underground PVC piping has a lifespan of 25 years. Polyvinyl fences are designed to last as long as the house, and asphalt driveways should last between 15 and 20 years. Tennis courts can last a lifetime if they are recoated; most coatings last 12 to 15 years. The concrete shell of a swimming pool is expected to last more than 25 years, but the interior plaster and tile have life expectancies of about 10 to 25 years. SITE & LANDSCAPING YEARS American Red Clay 100+ Asphalt Driveway 15-20 Asphalt with Acrylic Coating or Cushion 12-15 Brick & Concrete Patios 15-25 Clay Paving 100+ Cleaning Equipment(Swimming Pool) 7-10 Coating 5-7 Concrete Shell (Swimming Pool) 25+ Concrete Walks 40- 50 Controllers 15 Decking(Swimming Pool) 15 Fast-Dry Green Tennis Court 100+ Fast-Dry with Subsurface 100+ Gravel Walks 4-6 Interior Finish( Swimming Pool) 10-35 Polyvinyl Fences 100+ Sprinklers 10-14 Underground PVC Piping 60+ Valves 20 Waterline Tile ( Swimming Pool) 10 Aluminum windows are expected to last between 15 and 20 years while wooden windows should last nearly 30 years. SKYLIGHTS & WINDOWS YEARS Aluminum/Aluminum Clad 15-20 Window Glazing 10+ Vinyl Windows 20 – 40 Wood 30+ Note: Life expectancy varies with usage, weather, installation, maintenance and quality of materials. Items listed as lasting 100+ years, especially those that open and close, often fail prematurely due to misuse or overuse. This list should be used only as a general guideline, not as a guarantee or warranty regarding the performance or life expectancy of any product.