What is door and types of door? – Gama Windows

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There are different types of doors used in constructing works classified based on placement of components, technique of construction, working operations and building material used. A door is an accessible barrier which is provided in a wall opening to give an access to the inside of a space of a structure. The internal portions of a structure are linked by doors.

Types of Doors Used in Structure Building

Kinds of Doors based on Placement of Parts

Based on the arrangement of door elements, the doors are categorized as following,

1. Battened and Ledged Doors

  • Battens are vertical bonds which are having grooves are connected together by horizontal supports called ledges as shown in below figure.
  • General Dimensions of batten are 100-150mm width and 20-30mm thick.
  • General measurement of ledges are 100-200mm width and 25-30mm thick.
  • This kind of battened and ledged doors ideal for narrow openings.

Battened and Ledged Doors

2. Battened, Ledged and Braced Doors

  • To make more stiff, braces are offered diagonally in extra to battens and ledges as displayed in figure.
  • Braces are having 100-150mm width and 25-30mm density are more effective.
  • Braces should put upwards from handing side, then they functions as struts and take compression.
  • These kind of doors can be utilized for wider openings.

Battened, Ledged and Braced Doors

3. Battened, Ledged and Framed Doors

  • For the easy battened and ledged door, framework is supplied in the form of 2 verticals, referred to as stiles.
  • Stiles are normally 100mm broad and as far as thickness is concerned, the thickness of stile need to amount to the combined thickness of ledge and batten. Preferably 40 mm.

battened-ledged-framed-doors

4. Battened, Ledged, Braced and Framed Doors

  • In this type, the door comprised of battens, braces, ledges and stiles. It is more rigid.
  • The braces are connected diagonally between the ledges, at about 40mm from the stiles.

4. Battened, Ledged, Braced and Framed Doors

Kinds of Doors based on Approach of Building and construction:

Based on the technique of building, the doors are again categorized into 5 types and they are:

5. Framed and Panelled Doors

  • When compared to battened doors, these are very strong and will provide great appearance. These are the commonly utilized doors in almost all kinds of buildings.
  • Stiles, vertical members and rails, horizontal members are grooved along the inner edges of frame to receive the panels.
  • The panels are made up of lumber or plywood or A.C. sheets or glass.
  • These doors might be single leaf for narrow openings and double leaf for wider openings.
  • Minimum width of stile ought to be 100 mm and minimum width of bottom and locked rail ought to be 150mm.

Framed and Panelled Doors

6. Glazed Doors

  • Glazed doors are typically provided in interior wall openings or in hospitals, colleges etc.
  • The interior of space shows up through glazed doors and light likewise goes through glazed part of the door.
  • These may be fully glazed or partly glazed and partly panelled. Glass panels are attended to glazed doors.

Glazed Doors

7. Flush Doors

In flush doors, a solid or semi-solid or core part is covered on both sides with plywood or face veneer. Now a days these kind of doors are commonly utilized because of excellent look, financial, ease of construction and higher resilience.

There are 2 kinds of Flushed doors:

Strong Core or Laminated Core Flush Door

  • The core part in solid core flush door consists of core strips of wood which are glued under high pressure condition. Likewise in the laminated core, battens of 25mm width are glued under high pressure.
  • These doors consists of wooden frame with stiles and rails for holding the core.
  • Lastly plywood sheets or face veneer and cross-bands are glued under pressure on both side of doors.

Solid Core or Laminated Core Flush Door

Hollow core and cellular core flush door

  • In this case also stiles and rails are attended to frame. A minimum of two intermediate rails must be offered.
  • The inner area of door consists of similarly area battens of width 25mm each. Other space is called void space which does not exceed 40% of the area of door.
  • Here likewise deal with veneer and cross-bands are glued under high pressure.

Hollow core and cellular core flush door

8. Louvered Doors

  • When the door is closed and likewise offer privacy in the space, the louvers permit natural ventilation.
  • These are usually utilized for toilets of property and public buildings.
  • The door might be fully louvered are partly louvered.
  • Louvers are made up of wood or glass or plywood and these may be either fixed or movable.

Louvered Doors

9. Wire Gauged Doors

Wire evaluated doors allows natural ventilation and restrict the entry of flies, mosquitoes, pests and so on. These doors are typically used in hotels, dining establishments and for cabinets containing eatables.

Wire Gauged Doors

Types of Doors based upon Working Operations

The doors are classified on the basis of working operations as:

10. Revolving Doors

Revolving doors are only supplied in public structures like museums, banks, libraries and so on, because of consistent visitors. It consists mullion at its centre to which 4 radiating shutters are attached.

Revolving Doors

11. Moving Doors

In this type, with the help of runners and guide rails the door slides to the sides. The door might have one or more moving shutter depending up on the opening offered.

Sliding Doors

12. Swing Doors

In this case, the shutter is connected to frame by double action spring which assists the shutter to move inwards in addition to outwards.

Swing Doors

13. Collapsible Steel Doors

Collapsible steel doors are normally used for workshops, sheds, storage facilities and so on. It acts like a steel drape which will opened or nearby horizontal pull or push. Vertical double channel units of (20x10x2 mm) are spaced at 100 to 120 mm thick and are braced flat iron diagonals 10 to 20mm wide and 5mm thick.

Collapsible Steel Doors

14. Rolling Steel Shutter Doors

Rolling steel shutter doors are commonly used for storage facilities, garages, shops and so on. These are very strong and deal proper safety to the property. The door consists frame, drum and a shutter of thin steel plate inter locked together. A horizontal shaft is offered in the drum which assists to close the shutter or open.

Kinds of Doors based upon Products:

Doors are made up of wood, glass, metals. Wood doors are already gone over in the 1t category and glass doors are nothing but glazed doors. Types of Metals doors are described listed below.

Rolling Steel Shutter Doors

15. Mild Steel Sheet Doors

  • The door frame is made up of angle or T-sections.
  • Shutter is made up of frame of angle of iron, having 2 verticals at least 3 horizontal.
  • Mild steel plates are bonded to the shutter frame.

Mild Steel Sheet Doors

16. Corrugated Steel Sheet Doors

These are like moderate steel sheet doors, however in place of moderate steel sheet corrugated steel sheet is bonded.

Corrugated Steel Sheet Doors

17. Hollow Metal Doors

Hollow steel areas are utilized to make these doors. The stiles and rails etc., are strengthened by welding small T or I sections inside.

Hollow Metal Doors

18. Metal Covered Plywood Doors

  • This kind of door is a composite construction of hollow metal door and wood door.
  • The door is enclosed in tight fitting sheet metal, having actually tightly folded joints to omit air so that the core of the door does not fire up. It acts as fireproof.

Metal Covered Plywood Doors

Retractable steel doors are typically used for workshops, sheds, warehouses and so on. Rolling steel shutter doors are typically used for storage facilities, garages, stores and so on. The door consists frame, drum and a shutter of thin steel plate inter locked together. Wood doors are already discussed in the 1t classification and glass doors are nothing but glazed doors. Types of Metals doors are explained below.

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