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- 2077 Chaitra · 4 marks
- 2076 Bhadra · 4 marks
General parts of doors and windows
Short answer
Key parts of doors and windows include the frame (head, jambs, sill), shutter members (styles, rails, panels), and hardware. Additional terms: horn, mullion, transom, architrave, holdfast, and reveal.
Show in figure the general parts used in door and windows (explain the various components of door and window with sketch).
The general parts of doors and windows are shown below.
DOOR WINDOW
+----------------------+ +------------------+
| head | | head |
| +------------------+ | | +------+-------+ |
| | top rail | | | | | | |
| |------------------| | | | sash | sash | |
| |s panel s| | | | | | |
| |t lock rail t| | jamb ->| +------+-------+ |
| |y panel y| | | sill |
| |l bottom rail l| | +------------------+
| +------------------+ |
| threshold |
+----------------------+
Description of components
| Part | Description |
|---|---|
| Frame (chaukhat) | Fixed wooden/steel/RCC frame set in the opening; made of the head, two jambs (posts) and the sill/threshold |
| Head | Top horizontal member of the frame |
| Jamb / post | Vertical side member of the frame |
| Horn | Projecting end (100-150 mm) of the head/sill built into the wall |
| Sill / threshold | Bottom member (in windows) or floor-level strip (in doors) |
| Shutter | Movable leaf that closes the opening |
| Style | Vertical outer member of the shutter |
| Rail | Horizontal member of the shutter (top, frieze, lock, bottom) |
| Panel | Thin board or glass fitted in grooves between styles and rails |
| Mullion | Vertical member dividing a frame into two or more openings |
| Muntin | Intermediate vertical member between rails within a shutter |
| Transom | Horizontal member dividing a frame into upper and lower parts |
| Glazing bar | Thin member that divides a glass panel |
| Architrave | Moulded decorative cover over the joint between frame and wall |
| Holdfast | Metal strap fixing the frame to the wall |
| Hinge, bolt, lock | Fittings for hanging and closing the shutter |
| Reveal | Side surface of the wall opening |
✓ Answer checked by Claude Opus 5.5 (high effort)
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