Door leaf

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)

construction

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.

material

Commonly used materials for door leaves are:

Wood and wood-based materials
Sheet steel
Plastic , especially for damp and wet room doors as well
Glass for all-glass doors and as panels.

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 .

Executions

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)

Web links

Wiktionary: Door leaf - explanations of meanings, word origins, synonyms, translations

Commons : Doors - Collection of Images

Individual evidence

↑ ^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

[:0-1] Dr.-Ing. Holger Schopbach: Doors with fire protection requirements. HOLZBAU, accessed on January 7, 2017 .