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Page 1: Typical Life Expectancy of Building Components Element ...etoolglobal.com/wp-content/uploads/2015/10/BuildingComponentLife... · Typical Life Expectancy of Building Components Page

Typical Life Expectancy of Building Components

Page 1 of 3

Element Component Name

Substructure Foundations 110

Frame Steel frame 83Concrete frame 81Timber frame 69Laminated timber frame 65Space frame 73

Upper Floors Profiled steel and reinforced concrete floor 71Precast concrete slab 78Timber joists 90Softwood decking to timber joists 71Chipboard decking to timber joists 51

Roof and Rainwater Timber batten on concrete slab raised access floor 45Disposal Installations Timber pitched roof 84

Softwood decking to flat roof 37Chipboard decking to flat roof 26

34Aluminium decking to flat roof 39Galvanised steel decking to flat roof 35Insulation to flat roof 36

19Asphalt covering to flat roof 36PVC covering to flat roof 27Synthetic rubber (EPDM) covering to flat roof 25Tile covering to pitched roof 64Slate covering to pitched roof 74Thatch covering to pitched roof 31Aluminium covering to pitched roof 37Plastic covering to pitched roof 30Steel covering to pitched roof 37Composite cladding system 38Copper sheet covering 63Lead sheet covering 72Zinc sheet covering 48Cast iron gutters and rainwater pipes 51Plastic gutters and rainwater pipes 30Aluminium gutters and rainwater pipes 40Lead box gutters and flashings 61Zinc box gutters and flashings 41High performance felt box gutters and flashings 21

Stairs Concrete stairs 74Steel stairs 59Softwood stairs 64Hardwood stairs 76

2115

Typical Life Expectancy (Years)

Woodwool decking to flat roof

Bitument felt covering to flat roof

Aluminium stair nosingsPlastic stair nosings

Page 2: Typical Life Expectancy of Building Components Element ...etoolglobal.com/wp-content/uploads/2015/10/BuildingComponentLife... · Typical Life Expectancy of Building Components Page

Typical Life Expectancy of Building Components

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Element Component Name Typical Life Expectancy (Years)

External Walls Fair-faced brickwork 8653

Plastic profiled sheet cladding 25Steel profiled sheet cladding 35Glass fibre profiled sheet cladding 27Aluminium curtain walling 43Plastic curtain walling 27Structural glass curtain walling 43Hung tile cladding 45Timber weatherboarding 30Plastic weatherboarding 28

Windows Softwood windows 36Hardwood windows 50Aluminium windows 44

37Steel windows 50

Internal Walls De-mountable steel partitioning 31De-mountable aluminium partitioning 31De-mountable glass reinforced gypsum partitioning 29De-mountable glass partitioning 29

Internal Doors Internal softwood door 42Internal ply-flush door 33Internal hardboard flush door 31Internal glass door 29Internal flexible door 18Roller shutter doors 26

Wall finishes Plasterboard to wall 39Clay tiling to wall 37

Floor finishes Vinyl sheet floor covering 17Vinyl tile to floor covering 18Linoleum floor covering 20Carpet floor covering 13Parquet tile floor covering 39Epoxy resin based floor covering 20Timber skirting 51Plastic skirting 27

Ceiling Finishes Suspended ceilings 24

Fittings Kitchen wall units 18Kitchen floor units 18

Disposal Installations Cast iron sanitary fittings and soil vent pipes 55Plastic sanitary fittings and soil vent pipes 36

Render to blockwork wall

uPVC windows

Page 3: Typical Life Expectancy of Building Components Element ...etoolglobal.com/wp-content/uploads/2015/10/BuildingComponentLife... · Typical Life Expectancy of Building Components Page

Typical Life Expectancy of Building Components

Page 3 of 3

Element Component Name Typical Life Expectancy (Years)

Water Installations Plastic water storage tank 36GRP water storage tank 38

34Copper pipework 47

Heat Source Boiler 20Solid fuel back boiler 21Major pump 14

Space Heating and Radiators 29Air Treatment Thermostatic radiator valves 17

Aluminium air-conditioning ductwork 34Steel air-conditioning ductwork 30Air-conditioning heater 17Air-conditioning chiller 17

Air-conditioning pump 15Air-conditioning fan 15

Electrical Installations Heating programme controller/timer 18Thermostat controls 17Electric lighting circuits 32Electric power circuit 30Fuse box/consumer unit 29Power outlet socket 28Light switch 27

16Fluorescent tube 4Incandescent light bulb 2

Lift Installations Traction drive passenger lift 30Hydraulic passenger lift 28Industrial scissor lift 22

Protective Installations Wet riser sprinkler system 33Dry riser sprinkler system 42Sprinkler head 26

Site Works Timber fence 22Steel fence 28Concrete chain and post fence 25

37Concrete paving slab pathway 31Block paving 36Concrete surfacing to roadways 30Macadam surfacing to roadways 24

uPVC water storage tank

Fluorescent luminaire

Insitu concrete pathway