• A door may be defined as an openable barriers secured in an opening left in the wall for the purpose of providing access to the user of a structure. • important consideration for doors Size of doors:- Height=width+(1m to 1.20 m) approximately. Width= 0.4 to 0.6 of height. Door for residential building: 1. External door-(1m × 2m) to (1.1m×2m). 2. Internal door -(0.9m×2m) to (1m×2m). 3. Door for bathroom and WC- (0.7m ×2m) to (0.8m×2m). Public building:- 1) 1.2m×2m 2)1.2m×2.1m 3)1.2m×2.25m • Location of doors:- 1. The door should be located near the corner of the room, at a distance of about 200mm from the corner. 2. The factors such as distribution of the light control of ventilation, prevalent direction of wind private etc,should be considered. 3. The door and the window should be located by keeping in view the interior decoration and functional requirements of rooms. • Material used for door- 1. Wood ,glas, ...