IAQ is an acronym for Indoor Air Quality, an important consideration in sustainable interiors.
NCIDQ Exam Glossary Terms - I
Important NCIDQ Glossary Terms to know for the IDFX, IDPX, and Practicum Exams.
The International Facility Association IFMA uses the Standard Practice for Building Floor Area Measurements for Facility Management (ASTM E1836) as its standard for measuring commercial spaces. This method is used for space planning and space management purposes.
Illuminance defines the luminous flux that is received per unit area of a surface. Its unit is measured in lumens per square meter, lm/m² or lux. More simply put – it is a measure of the amount of light hitting a surface. Don’t confuse this with luminance.
Impact Insulation Class (IIC) rates the ability of a floor or ceiling to block the sound of impacts from the room above, ex. high heels on the floor above being heard in the room below. The rating is from 25-65 with 25-55 a typical range for most construction.
An unwritten and unspoken guarantee to the buyer of goods that the product being purchased is of reasonable quality compared to similar products, and that is will be usable for its intended purpose.