Waterproofing:
 bituminous coating 10
 pargeting with ionite 20-30
 termite proofing 5
 baseboard system 20

ROUGH STRUCTURE:
Basement Floor System life
Framing life

SIDING:
Gutters and Downspouts 30
Siding:
 wood 10 yrs if constantly wet, 100 if properly maintained 10-100
 metal (steel) 50-life
 aluminum 20-50
 vinyl 50

PAINTS AND STAINS:
Exterior Paint on Wood, Brick, and Aluminum 7-10
Interior:
 wall paint 7-10
 tim and door 5-10
 wallpaper 7

FINISHES for waterproofing:
Paint, Plaster, and Stucco 3-5
Sealer, Silicone, and Waxes 1-5

INSULATION:
Foundation, Roof, Ceiling, Wall, and Floor life

MASONARY:
Chimney, Fireplace, and Brick Veneer life
Brick and Stone Walls 100+
Stucco and Mantels life

MATERIALS:
Caulking for sealer 8-10
Metal for coping 20-40
Mortar for walls 25+
Plastic for flashing 25+
MILLWORK:
Stairs 50-100
Rails and Disappearing Stairs 30-40

ROOFING:
Asphalt/Wood Shingles and Shakes dependent on environment, 15-30
Tile 50
Slate 50-100
Sheet Metal 20-50+
Built Up Roofing:
 asphalt 12-25
 coat and tar 12-30
 asphalt composition 15-30
 asphalt over lag 25-30

DOORS:
Screen 25-50
Interior:
 hollow core 10-30
 solid corewood 30-life
Exterior 20-50
 protected overhang 80-100
 unprotected 25-30
Folding 30-life
Garage Door 20-50
Garage Door Opener 10

WINDOWS:
Window Glazing 20
Wood Casement 20-50
Aluminum Casement 10-20
Screen 25-50

SHUTTERS:
Wood:
 interior life
 exterior 4-5
Plastic 7-8
Aluminum:
 interior 35-50
 exterior 3-5

FLOORS:
Oak or Pine life
Slate Flagstone life
vinyl sheet or tile 20+
Terrazzo life
Carpet 11
Marble life

CEILINGS:
Suspension Ceiling life
Acoustical Ceiling life

HOME SECURITY:
Intrusion System 14
Smoke Detector 12
Smoke/Fire/Intrusion 10

BATHROOMS:
Cast Iron Bathtub 50
Fiberglass Bathtub & Shower 10-15
Shower Door 25
Toilet 50

CABINETRY:
Kitchen Cabinets 15-20
Bath Vanity 20

COUNTERTOPS:
Laminate 10-15
Ceramic Tile high grade installation life
Wood/Butcher Block 20+
Granite 20+

WALLS & TREATMENTS:
Drywall and Plaster 30-70
Ceramic Tile life

ELECTRICAL:
Copper wiring:
 copper plated 100+
 copper clad aluminum 100+
Bare copper 100+
Insulation:
 armored cable (BX) life
 conduit life

HEATING, VENTILATION, A/C:
Air Conditioning Unit:
 central unit new units last longer 15
 window unit 10
Unit Compressor 15
Humidifier Gateway recommends immediate disconnection 8
Water Heater:depends on quality of water and type of lining
 electric 14
 gas 11-13
Forced Air Furnace, heat pump 15
Duct Work:
 plastic 15
 galvanized 30
Rooftop Air Conditioner 15
Boiler 30
Furnace, gas or oil fired 18
Unit Heater, gas or electric 13
Radiant Heater:
 electric 15
 hot water or steam 25
Air Terminals:
 diffuser, grill, or register 27
Induction and Fan-coil units 20
Damper 20
Fan:
 centrifugal 25
 axial 20
 ventilating roof mounted 20
Coils:
 DX, water or steam 20
 electric 15
Heat Exchanger 24
Molded insulation 20
Pump, Sump and Well 10
Burner 21

PLUMBING:
Waste Pipe:
 concrete 50-100
 cast iron 50-100
 plastic life
Supply Line:
 galvanized 50
 copper 80+
Faucets:
 high quality 15-20
 low quality 13-15

LANDSCAPING:
Wooden Deck 15
Brick or Concrete Patio 24
Tennis Court 10
Concrete Walk 24
Gravel Walk 4
Asphalt Drive 10
Swimming Pool 18
Sprinkler System 12
Fence 12