Door leaf

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An ornamented door leaf of the great mosque of Kairouan

The moving part of a door is referred to as a door leaf or door leaf . In addition to the door leaf, a door usually has a door frame (door frame). With swing doors , the door leaf and door frame are movably connected by the door hinges . Their position on the frame depends on the opening direction and construction of the door . Sliding doors are connected to the frame by a suspension with rollers in a running rail. Historical doors were movably connected to their frame or the house structure by wooden connections (tenons and holes). A bolt or a door lock with a door handle is used to lock the door .

Doubled board door with visible (left) and rear (right) as well as horizontal cut (below).
In the cross-section , the cross bar to which the door hinges are attached is visible at the top , the structural board layer in the middle, and the (optional) doubling at the bottom .
The doubling consists of boards with a decorative longitudinal groove and a surrounding frame. This decorative layer also has a surface-stiffening function
Examples for the design and construction of the transition between frame and infill (cross-sections)


There are one or more times rebated and dull on or impacting distinguished door panels, chipped in glare or block frame ( door jamb ) in different variants.

A distinction is made between

  • Flat (smooth) door leaves and
  • Panel doors , also called framed doors , chiselled doors or cassette doors .

In the case of double or multi-leaf doors, a distinction is made between standing leaves (closed in normal operation) and active leaves. The faceplate covers the vertical gap between the door leaves.


Commonly used materials for door leaves are:

The edge formation of the door leaves is determined by the desired visual appearance as well as the technical and structural requirements. The following training courses are possible:

  • blunt , d. H. straight-edged or
  • rebated , d. H. stepped one or more times, the edge covering the frame being called a rollover .


The technical requirements for door leaves can be very different and are determined by the requirements for sound insulation , thermal insulation , fire protection , burglary protection or also bullet resistance . Important classifications of door leaves are:

  • tight closing (d)
  • Smoke-proof, self-closing wired glass doors are often accepted as RS doors in existing buildings (dgt)
  • full-walled, tight-closing, self-closing door (vds). Depending on the design, only full-walled, tightly closing.
  • full walled (vt)
  • tightly closing and self-closing (ds)
  • smoke-tight and self-closing smoke protection door (RS door)
  • fire-retardant door (fh door or T30 door, not smoke-proof)
  • fire-retardant, smoke-tight and self-closing door (T30 / RS door)
  • highly fire-resistant door (hfh door or T60 door)
  • highly fire-retardant, smoke-proof and self-closing door (T60 / RS door)
  • fire-resistant door (T90 door)
  • fire-resistant, smoke-tight and self-closing door (T90 / RS door)
  • Soundproof door (soundproofing level in dB)

See also

Web links

Wiktionary: Door leaf  - explanations of meanings, word origins, synonyms, translations
Commons : Doors  - Collection of Images

Individual evidence

  1. a b Dr.-Ing. Holger Schopbach: Doors with fire protection requirements. HOLZBAU, accessed on January 7, 2017 .
Cross-section of the central stop of a double door:
the upper of the two profiled faceplates is
attached to the left, the lower to the right door leaf