Composite roof triusses - Trusses built with the combination of wood and steel are termed as composite trusses.
Curing of concrete - It is the process of keeping the set concrete continuously damo for some days in order to enable the concrete gain more strength.
Connectors - These are the mettalic members used for connecting timber pieces in such a way that transmission of stress from one member to another is adequately ensured.
Coping - It is a covering placed on the exposed top of an external wall. It is essentially provided to prevent the seepage of water through the joints of the topmost couse of wall.
Corbel - It is the extension of one or more courses or brick or stone from the face of a wall.
Corner window - This type of window , as the name suggests , is essentially located in the corner of a room. By use of this window it is posiible to ensure light and ventilation from two directions at right angles.
Cornice - It is a horizontal moulded projection provided near the top of a building or at the junction of a wall and ceiling.
Couple close roof - In a coupled roof , the notches provided at the feet of the rafters prevent them from spreading , but with the time span , they spend and roof will collapse , thus to prevent this , the feet of the rafters are joined by a tie , which by holding them in position , prevents them from spreading and thrusting out of the wall. This is caled couple closed roof.
Course - A horizontal layer of bricks or stones is termed a course.
Cramped joint - The function of cramp which may be of slate or any metal , is to prevent the tendency of the joint to be pulled apart.
Crown - In arches , it is the highest point of the extrados or it is the highest part of the arch.