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ASHI
Standards of Practice
(Effective January 1, 2000)
TABLE OF CONTENTS
- Introduction
- Purpose & Scope
- Structural System
- Exterior
- Roof System
- Plumbing System
- Electrical System
- Heating System
- Air Conditioning Systems
- Interior
- Insulation and Ventilation
- Fireplaces and Solid Fuel
Burning Appliances
- General Limitations and
Exclusions

1. INTRODUCTION
1.1 The American Society of Home Inspectors (ASHI)
is a not-for-profit professional society established in 1976.
Membership in ASHI is voluntary and its members include private,
fee-paid home inspectors. ASHI's objectives include promotion of
excellence within the profession and continual improvement of its
members' inspection services to the public.
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2. PURPOSE AND SCOPE
2.1 The purpose of these Standards of Practice is to
establish a minimum and uniform standard for private, fee-paid home
inspectors who are members of the American Society of Home Inspectors.
Home Inspections performed to these Standards of Practice are intended
to provide the client with information regarding the condition of the
systems and components of the home as inspected at the time of the
Home Inspection.
2.2 The inspector shall:
A. inspect:
- readily accessible systems and components of
homes listed in these Standards of Practice.
- installed systems and components of homes
listed in these Standards of Practice.
B. report:
- on those systems and components inspected
which, in the professional opinion of the inspector, are
significantly deficient or are near the end of their service
lives.
- a reason why, if not self-evident, the system
or component is significantly deficient or near the end of its
service life.
- the inspector's recommendations to correct or
monitor the reported deficiency.
- on any systems and components designated for
inspection in these Standards of Practice which were present at
the time of the Home Inspection but were not inspected and a
reason they were not inspected.
2.3 These Standards are not intended to limit
inspectors from:
A. including other inspection services, systems or
components in addition to those required by these
Standards of Practice.
B. specifying repairs, provided the inspector is appropriately
qualified and willing to do so.
C. excluding systems and components from the inspection if requested
by the client.
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3. STRUCTURAL SYSTEM
3.1 The inspector shall:
A. inspect:
- the structural components including foundation
and framing.
- by probing a representative number of
structural components where deterioration is suspected or where
clear indications of possible deterioration exist. Probing is
NOT required when probing would damage any finished surface or
where no deterioration is visible.
B. describe:
- the foundation and report the methods used to
inspect the under-floor crawl space.
- the floor structure.
- the wall structure.
- the ceiling structure.
- the roof structure and report the methods used
to inspect the attic.
3.2 The inspector is NOT required to:
A. provide any engineering service or
architectural service.
B. offer an opinion as to the adequacy of any structural system or
component.
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4. EXTERIOR
4.1 The inspector shall:
A. inspect:
- the exterior wall covering, flashing and trim.
- all exterior doors.
- attached decks, balconies, stoops, steps,
porches, and their associated railings.
- the eaves, soffits, and fascias where
accessible from the ground level.
- the vegetation, grading, surface drainage, and
retaining walls on the property when any of these are likely to
adversely affect the building.
- walkways, patios, and driveways leading to
dwelling entrances.
B. describe the exterior wall covering.
4.2 The inspector is NOT required to:
A. inspect:
- screening, shutters, awnings, and similar
seasonal accessories.
- fences.
- geological, geotechnical or hydrological
conditions.
- recreational facilities.
- outbuildings.
- seawalls, break-walls, and docks.
- erosion control and earth stabilization
measures.
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5. ROOF SYSTEM
5.1 The inspector shall:
A. inspect:
- the roof covering.
- the roof drainage systems.
- the flashings.
- the skylights, chimneys, and roof penetrations.
B. describe the roof covering and report the methods used to inspect
the roof.
5.2 The inspector is NOT required to:
A. inspect:
- antennae.
- interiors of flues or chimneys which are not
readily accessible.
- other installed accessories.
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6. PLUMBING SYSTEM
6.1 The inspector shall:
A. inspect:
- the interior water supply and distribution
systems including all fixtures and faucets.
- the drain, waste and vent systems including all
fixtures.
- the water heating equipment.
- the vent systems, flues, and chimneys.
- the fuel storage and fuel distribution systems.
- the drainage sumps, sump pumps, and related
piping.
B. describe:
- the water supply, drain, waste, and vent piping
materials.
- the water heating equipment including the
energy source.
- the location of main water and main fuel
shut-off valves.
6.2 The inspector is NOT required to:
A. inspect:
- the clothes washing machine connections.
- the interiors of flues or chimneys which are
not readily accessible.
- wells, well pumps, or water storage related
equipment.
- water conditioning systems.
- solar water heating systems.
- fire and lawn sprinkler systems.
- private waste disposal systems.
B. determine:
- whether water supply and waste disposal systems
are public or private.
- the quantity or quality of the water supply.
C. operate safety valves or shut-off valves.
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7. ELECTRICAL SYSTEM
7.1 The inspector shall:
A. inspect:
- the service drop.
- the service entrance conductors, cables, and
raceways.
- the service equipment and main disconnects.
- the service grounding.
- the interior components of service panels and
sub panels.
- the conductors.
- the overcurrent protection devices.
- a representative number of installed lighting
fixtures, switches, and receptacles.
- the ground fault circuit interrupters.
B. describe:
- the amperage and voltage rating of the service.
- the location of main disconnect(s) and sub
panels.
- the wiring methods.
C. report:
- on the presence of solid conductor aluminum
branch circuit wiring.
- on the absence of smoke detectors.
7.2 The inspector is NOT required to:
A. inspect:
- the remote control devices unless the device is
the only control device.
- the alarm systems and components.
- the low voltage wiring, systems and components.
- the ancillary wiring, systems and components
not a part of the primary electrical power distribution system.
B. measure amperage, voltage, or impedance
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8. HEATING SYSTEM
8.1 The inspector shall:
A. inspect:
- the installed heating equipment.
- the vent systems, flues, and chimneys.
B. describe:
- the energy source.
- the heating method by its distinguishing
characteristics.
8.2 The inspector is NOT required to:
A. inspect:
- the interiors of flues or chimneys which are
not readily accessible.
- the heat exchanger.
- the humidifier or dehumidifier.
- the electronic air filter.
- the solar space heating system.
B. determine heat supply adequacy or distribution
balance.
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9. AIR CONDITIONING SYSTEMS
9.1 The inspector shall:
A. inspect the installed central and through-wall
cooling equipment.
B. describe:
- the energy source
- the cooling method by its distinguishing
characteristics.
9.2 The inspector is NOT required to:
A. inspect electronic air filters.
B. determine cooling supply adequacy or
distribution balance.
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10. INTERIOR
10.1 The inspector shall:
A. inspect:
- the walls, ceilings, and floors.
- the steps, stairways, and railings.
- the countertops and a representative number of
installed cabinets.
- a representative number of doors and windows.
- garage doors and garage door operators.
10.2 The inspector is NOT required to:
A. inspect:
- the paint, wallpaper, and other finish
treatments.
- the carpeting.
- the window treatments.
- the central vacuum systems.
- the household appliances.
- recreational facilities.
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11. INSULATION &
VENTILATION
11.1 The inspector shall:
A. inspect:
- the insulation and vapor retarders in
unfinished spaces.
- the ventilation of attics and foundation areas.
- the mechanical ventilation systems.
B. describe:
- the insulation and vapor retarders in
unfinished spaces.
- the absence of insulation in unfinished spaces
at conditioned surfaces.
11.2 The inspector is NOT required to:
A. disturb insulation or vapor retarders.
B. determine indoor air quality.
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12. FIREPLACES AND SOLID FUEL
BURNING APPLIANCES
12.1 The inspector shall:
A. inspect:
- the system components.
- the vent systems, flues, and chimneys.
B. describe:
- the fireplaces and solid fuel burning
appliances.
- the chimneys.
12.2 The Inspector is NOT required to:
A. inspect:
- the interiors of flues or chimneys.
- the firescreens and doors.
- the seals and gaskets.
- the automatic fuel feed devices.
- the mantles and fireplace surrounds.
- the combustion make-up air devices.
- the heat distribution assists whether gravity
controlled or fan assisted.
B. ignite or extinguish fires.
C. determine draft characteristics.
D. move fireplace inserts or stoves or firebox
contents.
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13. GENERAL LIMITATIONS AND
EXCLUSIONS
13.1 General limitations:
A. Inspections performed in accordance with these
Standards of Practice:
- are not technically exhaustive.
- will not identify concealed conditions or
latent defects.
B. these Standards are applicable to buildings
with four or fewer dwelling units and their garages or carports.
13.2 General exclusions:
A. The inspector is not required to perform any
action or make any determination unless specifically stated in these
Standards of Practice, except as may be required by lawful
authority.
B. Inspectors are NOT required to determine:
- the condition of systems or components which
are not readily accessible.
- the remaining life of any system or component.
- the strength, adequacy, effectiveness, or
efficiency of any system or component.
- the causes of any condition or deficiency.
- the methods, materials, or costs of
corrections.
- future conditions including, but not limited
to, failure of systems and components.
- the suitability of the property for any
specialized use.
- compliance with regulatory requirements (codes,
regulations, laws, ordinances, etc.).
- the market value of the property or its
marketability.
- the advisability of the purchase of the
property.
- the presence of potentially hazardous plants or
animals including, but not limited to wood destroying organisms
or diseases harmful to humans.
- the presence of any environmental hazards
including, but not limited to toxins, carcinogens, noise, and
contaminants in soil, water, and air.
- the effectiveness of any system installed or
methods utilized to control or remove suspected hazardous
substances.
- the operating costs of systems or components.
- the acoustical properties of any system or
component.
C. Inspectors are NOT required to offer:
- or perform any act or service contrary to law.
- or perform engineering services.
- or perform work in any trade or any
professional service other than home inspection.
- warranties or guarantees of any kind.
D. Inspectors are NOT required to operate:
- any system or component which is shut down or
otherwise inoperable.
- any system or component which does not respond
to normal operating controls.
- shut-off valves.
E. Inspectors are NOT required to enter:
- any area which will, in the opinion of the
inspector, likely be dangerous to the inspector or other persons
or damage the property or its systems or components.
- the under-floor crawl spaces or attics which
are not readily accessible.
F. Inspectors are NOT required to inspect:
- underground items including, but not limited to
underground storage tanks or other underground indications of
their presence, whether abandoned or active.
- systems or components which are not installed.
- decorative items.
- systems or components located in areas that are
not entered in accordance with these Standards of Practice.
- detached structures other than garages and
carports.
- common elements or common areas in multi-unit
housing, such as condominium properties or cooperative housing.
G. Inspectors are NOT required to:
- perform any procedure or operation which will,
in the opinion of the inspector, likely be dangerous to the
inspector or other persons or damage the property or it's
systems or components.
- move suspended ceiling tiles, personal
property, furniture, equipment, plants, soil, snow, ice, or
debris.
- dismantle any system or component, except as
explicitly required by these Standards of Practice.
Standards of Practice
Effective January 1, 2000
Copyright 1999 American Society of Home Inspectors, Inc.
All rights reserved
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