Contractor

Contractor. The main duty of a contractor is to plan and manage the work under their control so that it is carried out in a way that controls risks to health and safety.
Other duties entail co-ordinating their activities with others involved in the project team – in particular, complying with directions given to them by the principal designer or principal contractor.
See: https://www.citb.co.uk/documents/cdm%20regs/2015/cdm-2015-contractors-printer-friendly.pdf


Contracts Manager

This can be an architect, surveyor, or tradesperson experienced in the building construction industry with full responsibility for the contract works from start to finish.


Contrast Ratio

The difference in reflective value of black and white when coated.


Convertible Coatings

A liquid material which once cured by chemical reaction or oxidisation forms a dry film which is insoluble in the original dilutant.


Copal

A natural resin from which varnish is produced.


Copal

A varnish made from natural resins


Coping

A concrete, stone or brick protection which overhangs the top course of a brick wall.


Copolymer

Molecules (parts) of different monomers which have been polymerised (fused together such as acrylics.


Copolymer

A resin where two or more compounds are mixed to form a resin i.e. copolymer emulsion paint.


Corbel

Stone, brick, wood or metal architectural feature protruding from a building.