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Elements of battened door shutter
Short answer
A battened door shutter consists of vertical tongued-and-grooved battens (100–150 mm wide, 20–40 mm thick) held by three horizontal ledges (100–150 × 30 mm). If braced, diagonal braces (100 × 30 mm) prevent sagging. The frame is 100 × 75 mm.
Explain elements of battened door shutter with neat sketches (with appropriate sizes).
A battened (ledged) door is made of vertical boards (battens) held together by horizontal ledges. It is the simplest door shutter.
FRONT ELEVATION BACK ELEVATION
+--+--+--+--+--+--+ +--------------+
| | | | | | | |==== ledge ===| top ledge 150 x 30 mm
| | | | | | | | |
| | | | | | | |==== ledge ===| middle ledge
| | | | | | | | |
| | | | | | | |==== ledge ===| bottom ledge
+--+--+--+--+--+--+ +--------------+
battens (tongued & grooved) (a brace is added in ledged & braced door)
Elements with usual sizes
| Element | Size and function |
|---|---|
| Battens | 100-150 mm wide, 20-40 mm thick, tongued and grooved joint, form the leaf |
| Ledges (3 nos.) | 100-150 x 30 mm at top, middle and bottom; hold battens together |
| Braces (in ledged and braced door) | 100 x 30 mm, diagonal, run from lower hinge side up to upper lock side; prevent sagging |
| Frame | 100 x 75 mm (head, jambs) |
| Hinges | Tee or strap hinges, 3 nos. |
| Bolts / tower bolt | For fastening, 150-200 mm |
| Nails/screws | Clenched nails fix battens to ledges |
The leaf thickness is 30-40 mm. Used for stores, sheds, outhouses, and low-cost houses.
✓ Answer checked by Claude Opus 5.5 (high effort)
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