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Window coverings
Window coverings (shutters, blinds, drapes, etc.) on windows can interfere with visual observation and testing of windows. Inspection, testing, analysis, or opinion of condition or function of interior window coverings is not within the scope of a home inspection. Vinyl windows Vinyl windows typically create a very tight seal that can be difficult to break to open windows, possibly causing damage. Such a seal can also prevent the structure from breathing properly, possibly causing a build-up of indoor air pollution and health problems for some individuals. Recommend opening windows on a weekly basis or more often if necessary. Multi-pane windows Multi-pane windows reduce street noise and improve heating and cooling efficiency. Since the space between the panes is sealed at the factory, multi-pane windows typically cannot be repaired and have to be replaced. Depending on the type of construction and the type of exterior siding, window replacement can be expensive. If a seal fails, air from the environment may enter the formerly sealed space, which may cause condensation or fogging in the window. |
It is not always possible to detect failed seals in multi-pane windows because evidence of the failure may not be visible, particularly during dry weather, so we cannot ensure that each and every seal on each and every window is intact at the time of the inspection. Dirty windows also make it difficult to properly examine multi-pane windows.
If windows are dirty, they should be cleaned, both inside and outside. Any apparent residue left on the window will usually be within the sealed space and typically indicates that the window seal has failed. If you can't determine whether or not the seal is broken, hold an ice cube against the glass for about a minute. If the seal is broken, moisture between the two glass panes will condense on the inside of the glass. Due to the expense involved in replacing multi-pane windows, recommend having all multi-pane doors and windows cleaned, inside and outside, before close of escrow. Recommend monitoring windows during cold or wet weather; any condensation that cannot be wiped away on the interior or exterior of the window is in the space between the panes, and the window will probably need to be replaced. |
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