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Standards of Practice: Roof

Let's review the InterNACHI® Home Inspection Standards of Practice related to a particular part of a house - the roof.


According to the InterNACHI® Home Inspection Standards of Practice, the home inspector shall inspect from the ground level or the eaves:

  • the roof-covering materials;

  • the gutters;

  • the downspouts;

  • the vents, flashing, skylights, chimney, and other roof penetrations; and

  • the general structure of the roof from the readily accessible panels, doors, or stairs.

The inspector shall describe the type of roof-covering materials.


The inspector shall report as in need of correction observed indications of active roof leaks.


The inspector is not required to:

  • walk on any roof surface.

  • predict the service life expectancy.

  • inspect underground downspout diverter drainage pipes.

  • remove snow, ice, debris, or other conditions that prohibit the observation of the roof surfaces.

  • move insulation.

  • inspect antennae, satellite dishes, lightning arresters, de-icing equipment, or similar attachments.

  • walk on any roof areas that appear, in the inspector's opinion, to be unsafe.

  • walk on any roof areas if doing so might, in the inspector's opinion, cause damage.

  • perform a water test.

  • warrant or certify the roof.

  • confirm proper fastening or installation of any roof-covering material.

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