GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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CORNICE

A moulded projection which is usually located at the wall/ ceiling junction.


CORROSION

The deterioration of metal, concrete or other material by chemical or electrochemical reaction; acid-induced oxidation resulting in a loss of surface or structural integrity.


CORROSIVE

A strongly acid substance which can cause damage or injury.


CRAWL SPACE

In a building without a basement, an unfinished space below the ground floor which is normally enclosed by the foundation wall; an unfinished interior space of limited height, located between floors, containing ductwork, piping, or wiring.


CRAZING

Random hairline cracks forming a network pattern on or under a surface of plaster, concrete, glazed ceramic, paint or transparent finish.


CRIPPLE

In buildings, a framing member that is shorter than usual, as a stud above a door opening or below a window.


CRITICAL BARRIER

One or more layers of polyethylene sealed over openings into a work area or any other similarly placed physical barrier. It must be sufficient to prevent airborne contaminants in a work area from migrating into an adjacent area.


CROSS CONTAMINATION

The spread of contaminants from an affected area or person to an unaffected area or person.


CROWNING

A condition that develops when wood flooring materials are sanded and refinished before they are fully dried. As drying progresses, the edges of wood planks continue to shrink, dropping them below the centre of the plank.


CRYPTOSPORIDIUM

A highly infectious parasitic micro organism, often found in sewage that can cause chronic and severe intestinal disease in both adults and children.