The door is generally swinging or sliding barrier by which an entrance is closed and opened which is made up of a similar part of a piece of furniture.
Types of Doors Used in Building Construction
Types of the door based on the arrangement of door components
1. Battened and Ledged Doors
- Battens are vertical bonds having channels attached to each other by horizontal supports called ledges.
- General Dimensions of batten are 100-150mm width and 20-30mm thick.
- The general dimension of ledges is 100-200mm width and 25-30mm thick.
- This type of battened and ledged doors are good for narrow openings.
2. Battened, Ledged and Braced Doors
- To make more rigid, braces are provided diagonally in additional to battens and ledges.
- Braces having 100-150mm width and 25-30mm thickness are mostly used.
- Braces should place upwards from the handing side, then they work as struts and hold compression.
- These types of doors can be utilized for wider openings.
3. Battened, Ledged and Framed Doors
- For the simple battened and ledged door, a framework is provided in the form of two verticals, known as stiles.
- Stiles is generally 100mm wide, the thickness of stile should be equal to the combined thickness of ledge and batten. Preferably 40 mm.
4. Battened, Ledged, Braced and Framed Doors
- In this type, battens, ledges, stiles, and braces are constructed. So, it is more rigid.
- The braces are connected diagonally between the ledges, at about 40mm from the stiles.
Types of Doors based on Method of Construction:
Based on the method of construction, the doors are classified as;
1. Framed and Panelled Doors
- These are very strong and will provide the best appearance when compared to battened doors. These are the most used doors in almost all types of buildings.
- Stiles, vertical members and rails, horizontal members are grooved along the inner edges of the frame to receive the panels.
- The panels are built up of timber or plywood or A.C. sheets or by the glass.
- These doors can be single leaf for narrow openings and double leaf for outspread openings.
- The minimum width of the stile should be 100mm and a minimum width of the bottom and locked rail should be 150mm.
2. Glazed Doors
- Glazed doors are usually kept in interior wall openings or in hospitals, colleges, banks, etc.
- The interior of the room is visible through glazed doors and light also passes through a glazed portion of the door.
- These may be fully glazed or partly glazed and partly paneled. Glass panels are provided for glazed doors.
3. Flush Doors
In flush doors, a semi-solid or solid, the core portion is coated on both sides with plywood or face veneer. Nowadays these type of doors is widely used because of good appearance, economic, ease of construction and greater durability.
4. Louvered Doors
- The louvers permit natural ventilation when the door is closed and also provides privacy in the room.
- These are usually utilized for toilets of residential and public buildings.
- The door may be louvered fully or partly.
- Louvers are made up of timber or glass or plywood and these may be either fixed or movable.
5.Wire Gauged Doors
Wire gaged doors authorize natural ventilation and regulate the entrance of flies, mosquitoes, insects, etc inside the building. These doors are mostly utilized in hotels, restaurants and for cupboards containing eatables.
6. Revolving Doors
Revolving doors are usually provided in public buildings like museums, banks, libraries, etc., because of constant visitors came morely. It contains mullion at its center to which four radiating shutters are connected.
7. Swing Doors
In this door, the shutter is connected to frame by double action spring which helps the shutter to move internally as well as externally.
8. Mild Steel Sheet Doors
- The door frame is made up of angle or T-sections.
- The shutter is made up of a frame of the angle of iron, having 2 verticals and at least 3 horizontal.
- Mild steel plates are connected to the shutter frame.
9. Hollow Metal Doors
Hollow steel sections are utilized to manufacture these doors. The rails and stiles etc., are strengthened by welding small T or I sections inside.