Types of Doors opening?

 Types of Doors?

1.Battened and Ledged Door

This is the simplest form of door, which is frequently used for narrow opening. The use of this type of door is preffered where cost is the main factor rather than the strength and appearance. 

This doors consits of vertical boards known as battens, which are secured by horizontal pieces known as ledges. Usually there are three ledges namely top ledge, middle ledge,lock and botton ledge. The outer edges of the ledges are generally chamfered.

The bottom and middle ledges are sometimes wider than the top ledges.

2. Battend, Ledged and Braced Door

This door is a modification over battend and ledged door which additional diagonal member called braces are provided to increase its rigidity and hence the strength. These braces act as a struts as they are made to incline upwards from the hanging edge. By doing so, the tendency of dropping at the nose, in the case of wider is prevented.Thus these types of doors  can be used for wider opening.

Braces: width is 10 to 15cm  

        thickness is 3-4cm 

All other members are the same size. This door is commonly used for bathrooms where the appearnce is not so important as economy.

3. Battend, ledged and frame Door

This door is provided with a framework for shutters to have better strength and appearance than the ordinary ledged and battend doors.This door consits of a two vertical styles, three ledges or rails, bottom, top and middle and battend fixed in the framework.

Battened and ledges are provided as usual. Sites are generally 10cm width 4cm in thickness.

4. Battened, Ledged, Framed and Braced Door

This door is modification over the previous type in which additional members known as braces have been introduced to increase its strength, durability and appearance. This type of door is largely used for external work.

This door has a framework consisting of two stiles, three edges on rails, bettens and two inclined braces.

Generally the thickness of top rail and the stiles in same and equal to that of the braces and batten together. The braces are 1.5 x12cm.

5. Framed and panelled Door

This type of door is very commonly used and constructed in various design. The object of using such a door is to obtain a framework in which the tendency of shrinkages is reduced and the appearance enhanced.

This type of door consits of a frame in which the panels are fitted.

6. Glazed or Sash Door

Sometimes, the doors either fully glazed, partly glazed and partly panelled are used to supplement the natural lighting provided by windows or to make the interior of one room visible from another. In these types of doors the usual proportion of glazed portion to the panelled portion is kept 2:1

Partly panelled and partly glazed Door

The glazed or sash doors extensively used these days in residential as well as punlic building. When sufficient light is required to be admitted through doors then fully glazed doors are provided.

Fully Glazed Door

7. Flush Door

Flush doors are becoming more popular in these days for residential and public buildings because of several good characteristics like pleasing appearance, simplicity of construction economy, strength and high durability.

A flush door consits of a skeleton or a hollow framework of rails and stiles and it is covered on both the sides with laminated boards or plywood. 

The nominal thickness of flush door shutters varies from 25 to 40mm depending upon the type of door.

a. Solid core flush door

b. Hollow and cellular core flush door

8. Louvered door or ventilated door

The use of this door is recommended when privacy combined with natural ventilation and quietness for rest in desired, because it allows free passage of air even when closed. These doors are not much favoured since they are difficult to clean. 

The louvers are made either movable by connacting them to the pivot by means of hings or fixed into the stile. 

In the case of movable type the upward or downward movement of louvers is carried out by lowering and raising the pivot respectively. Louvers are made of glass or timber.

9. Wire gauzed Door

This door is used where it is desired to allow free air into the room and avoid the nuisance of insects, mosquitoes etc. The wire gauzed door consits of vertical stiles and horizontal rails with fine mesh galvanized gauge fixed to the shutters by a bead braded or nailed to the framed. 

Shutters of ordinary panelled type are provided on the front side and are made to open to the outside of room whereas another type of shutter is provided with a wire gauze and is made to open to the inside of the room.

10. Side sliding Door

In this type of door the need of hings for fixing shutters to frames of doors is eliminated. It is commonly used for the entrance of godowns, sheds, shops, garages etc.  The shutter of this type of door consists of one or several panels which can either slide on one side or both the side.

These doors are operated by sliding the doors on the sides with the helps of runners at the top and guides at the bottom.

11. Revolving Door

These doors are provide entrance on one side and exit on the other side simultaneously. It keeps the opening automatically closed when it is not in used. These doors are provided where there is a constant foot traffic of people entering and leaving the entrance of public buildings. 

Revolving doors consists of four upright cross wings,i.e. shutters which are arranged diagonally on the sides of a centrally placed pivot. These shutter revolves about this pivot or vertical axis.

11. Collapsible steel door 

The collapsible steel door neither requires hings for opening and closing the shutters not any frame for hanging them. This door is extensively used for the main entrance of residential buildings, shops, garages etc. Where the width of the door is large and the space is sufficient to provide two-leafed hinged shutters.

This door being very strong can be used in exposed situation to safeguard against robbers.

12. Rolling steel shutter door

This door is capable of being rolled up at the top easily and causes no obstruction either in the opening or floor space. It is commonly used for the main entrance of garages, shops, godowns etc. It is sufficiently strong and offers proper safety to the interior when closed.