As opposed to effective age. The actual age of a building is the objective age in years measured simply by the passage of time since it was constructed. Effective age is a subjective measurement of the condition of a building, influenced mostly by the maintenance and upkeep carried out on the building over the years.
A subjective element in the overall market value of a property created by the physical presentation of the land or buildings.
Sand and stone that is mixed into concrete to create a concrete aggregate mixture.
AIR-DRIED LUMBER: As opposed to kiln-dried lumber.
Lumber that has been allowed to dry over time by leaving it out in the open. Often has a higher moisture content than other types of lumber. As opposed to kiln-dried lumber which has a lower moisture content and thus tends not to warp as much after installation. See "KILN-DRIED LUMBER".
The space between a ceiling's insulation and the roof boards that allows air movement through the roofing system's vents, allowing moisture and summer heat buildup to escape.
Duplex, triplex, row housing, or townhouses. Two or more dwellings that are attached physically but are owned and/or occupied by different people.
Also known as a scuttle. An opening in the ceiling giving access to an unfinished attic area.
A window with a single section hinged at the top that opens outward.
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