Various types of doors are used in construction industry.
A door may be defined as an openable barrier or as a framework of wooden, metal, aluminium or combination of those materials secured it a wall opening.
Functions of doorways:
- It is provided to provide entry to the inside of a room of a building.
- It serves as a connecting hyperlink between the various inner parts of the building.
- Lightning and airflow of rooms.
- To keep up the privateness of rooms.
Different types of doors used in construction:
This types of door consists of a frame in which the panels either flat or raised.
This door consists of styles and rails which are grooved along the inner edges of the frame, to receive the panels.
The panels are made from timber, plywood, block board, glass etc.
Vertical members called styles are continuous front top to bottom rails are joined to styles at both ends.
Mullions or mutinies, if provided are jointed to the rails between which it is fixed.
It is generally recommended that the minimum width of stiles should not be less than 10 cm and for top and bottom mils not less than 15 cm.
The thickness of the shutter frame is usually kept from 4 to 5 cm but actual thickness depends upon several factors viz. door size, location of the door, type of work; thickness of panels and size of the mouldings.
When doors ate classified on the basis of the arrangement of components they come under the category of battened doors.
Types of battened doors:
Battened and lodged doors:
This is the simplest form of door commonly used for narrow openings.
This door consists of vertical boards known as Battens that are often tongued, grooved and are mounted together by horizontal helps known as ledges.
There are three ledges fixed near the top, bottom and in the middle of shutter.
Battened ledged and braced doors:
This is an improved form of a battened and ledged door.
To increase the rigidity of the door, additional inclined members called braces are provided.
This type of door can be used for wider opening in a situation where appearance is not so important.
Battened ledged and framed doors:
This type of door, the framework is provided to simple battened and ledged door, to have better strength and appearance.
This door consists of two vertical styles, they are generally 10 cm wide and 4 cm thick.
Battened ledged, braced and framed doors:
This is modification over battened ledged and framed door.
In order, to increase strength, durability and appearance additional braces are provided diagonally between ledges.
This type of door is suitable for external use as well as for rough handling.
With the development of the plywood and block board industry and good characteristics of this door like pleasing appearance, simplicity of construction, high strength, durable and economical, they are popular these days.
These doors are commonly used for residential as well as public buildings.
A flush door consists of:
A skeleton or a hollow framework of rails and stiles, the door is covered on both the sides with laminated board or plywood.
The thickness of flush doors varies from 25 mm to 40 mm depending upon the type of flush door.
Types of the flush door:
- Solid core type flush doors.
- Hollow and cellular core flush door or framed Plush door.
- Cellular core type flush door.
Collapsible doors types:
Collapsible doors are typically used in situations where the width of the opening is large and the availability of hinged shutter becomes difficult for space.
These doors are extensively used for the main entrance of residential buildings, shops, garage, public buildings, go downs etc.
These doors are also used for increased safety and protection of property.
They are fabricated from rolled steel channels provided with rollers at the bottom to roll on rails when they open or collapse.
The door essentially consists of vertical double channels each 20 x 10 x 2 ram in size and spaced at 10 to 12 cm apart, joined to one another by cross iron pieces.
The cross iron pieces are usually 10 mm to 15 mm wide and 5 mm thick.
Depending upon the size of the opening, the door may have single or double shatters.
The door is provided with locking arrangements, handles stoppers etc can be opened or closed by slight pull or push.
Rolling steel shutters door types:
These types of doors are commonly used for the main entrances of the shops, garages show-rooms and go down etc.
The door shutter acts like a steel curtain and provides adequate protection and safety against burglars and fire.
A rolling steel door consists of a frame, drum and a shutter of thin steel plates or iron sheets of thickness about 1 mm.
The door shutter travels in vertical steel guide channels installed at either end of the opening.
Revolving doorways provide entrance on one side and exit on the opposite side simultaneously.
This type of door is favorably provided in places where there is regular foot traffic of people entering in and going out of the building especially In case of banks, hotels, hospitals, theatres, offices etc.
The door is so assembled as to exclude the wind draught.
The door essentially consists of four leaves radially attached to a centrally placed mullion in circular opening.
When desired light to be admitted inside the door, such types of doors being used.
Doors may be either fully glazed or partly glazed or partly panelled when sufficient light is required to be admitted through doors, as in the case lobbies, halls, staircase, shopping or display centers, etc., then fully glazed doors are provided.
In case of partly glazed and partly paneled doors, the usual proportion of glazed portion to paneled portion is kept 2: I
In glazed doors, usually, 5 to 8 mm thick polished plate glass is used: Special kind of glasses, e.g. Reinforced with wire mesh or toughened are being used to avoid shuttering.
The glasses are fixed in the rebates of sash bar and they are secured with putty or by wooden beads fixed to the frame.
This type of door is used in residential as well as public buildings like hospitals, schools or colleges, etc with a view to adding the natural lighting to make the interior of one room visible from the adjoining one.
Plastic doors types:
These type of doors are light in weight, waterproof and anti-corrosive.
These doors are more popular at a place of bathrooms and toilets due to its waterproof property.
Plastic doors are available in various colours and shades and its durability depends on the thickness of the door.
Doors containing louvres or slots for the purpose of ventilation are called louvred or Venetian doors.
These doors admit a free passage of air and light, securing at the same time privacy and safety.
In this type of door, shutters are provided with louvres either fully or partly.
Louvres are arranged at such an inclination that horizontal vision is obstructed.
The spaces haw the rails are filled in by a series of wooden leaves over-lying each other that the upper edge of louvres are fixed into the stiles or made movable.
The usual inclination in case of fixed louvres is 45°.
In the louvered door, the louvres are arranged at a certain inclination so that the outside vision is obstructed and it allows the free passage of air.
There are two types of louvres fixed or movable louvres can be made in timber, plywood, plastic moulded piece material or glass.
This types of doors, in which shutter moves both inward and outward as required about double action spring hinge fixed to the door frame is termed as swing door.
In short, this type of door swings about double action spring hinge.
Swing door generally has single leaf or shutter attached to the door frame especially with the help of double action spring hinge.
In some cases, two leaves can also be attached to the door frame by means of double action spring hinge.
Slight push is needed to open this type of door.
The door opens inward or outward with the action of spring force, hence in order to avoid an accident, the door should be fully glazed or a small peephole should be provided at the eye level.
This type of doors is mostly used in officer’s cabin of a public office building; commercial complexes, showrooms, etc.
Sliding door types:
At the time, shutter of doors opens, normally it requires space to open.
It some of the case .when space is not available to open the shutter, then sliding doors are more preferred.
In such a door, very less space is required to open the shutter due to sliding.
Sliding doors consist of runners, guide rails, shutter, frame, channel track and brackets.
The door shutter slides on the sides with the help of guide rails and runners.
At the bottom of the shutter, channel tracking is provided so as to slide the shutter properly.
A folding door is a type of door which opens by folding back in part, often discovered indoors.
Folding doors might also know as the accordion door or accordion partitions.
The folding doors are designed to supply quick and easy space division with average reduction and a delightful visible appearance.
Folding doors provide quick sight and sound division with an easy putt and latch operation.
These doors ate available single and paired openings.
Nowadays bi-folding doors are one among the most innovative developments.
The folding doors are the best option for a closet, but can also be used for other areas of the house.
The greatest benefit of these is used in place, where there is a lit space to put doors traditions.
Types of doors FAQ:
What type of door is best for an exterior door?
If safety and durability are top priorities then a steel door is your best door.
What are the different types of exterior doors?
Exterior doors include Pre-Hung Versus Slab Doors, Pre-Hung Doors, Slab Doors, Wood, Steel and Fiberglass Exterior Doors, Fibreglass Doors, Steel Doors & Iron Doors.
What are the different types of interior doors?
Interior doors include Hinged Doors, Sliding Doors, Folding Doors, Bypass Doors, Pocket Doors, Barn Doors, Flush Doors & Panel Doors.
What is the most popular type of garage door?
Steel garage doors are the most popular.
Conclusion for types of doors:
Beautiful types of doors are those delicate requirements that bring a big change in the style of your home.