Define doors.

A door may be defined as a framework generally, consisting of wood, steel, aluminium, glass or a combination of these materials, secured in an opening left in a wall for the purpose of providing access to the users of the structure. It basically consists of two parts,

• a frame and
• shutter (leaf).

A door may be defined as a framework generally, consisting of wood, steel, aluminium, glass or a combination of these materials, secured in an opening left in a wall for the purpose of providing access to the users of the structure. It basically consists of two parts,

• a frame and
• shutter (leaf).

Timber, plywood, glass, block etc are used for shutter.

Aluminium doors are considered to be the best as they are rust proof and present an elegant appearance. However since aluminium is costly as compared with timber or steel, use of aluminium doors is normally restricted to public buildings.