Knowledge center · Workshop techniques · Steam bending
Technique
Steam bending
Bending solid wood by softening the fibers in steam, then bending it on a form until it cools and holds the shape — a traditional way to make curved parts without cutting across the grain.
The wood sits in a steam box at about 100°C for roughly an hour per 2.5 cm of thickness, until the lignin in the fibers softens. It is then bent gently around a form and held with a metal strap that keeps the stretched face from tearing. It stays on the form for days, cooling and drying, until the shape is set. Oak, beech, and walnut — woods with long, straight fibers — bend well. The method keeps the strength of the wood, unlike sawing a curve out of a board, and it is the method behind bentwood chairs (Thonet, for example) and rounded handles.
Related
Solid wood
A part made entirely of the same wood, with no facing. Not necessarily “better” than veneer — but you need to know which one is in front of you.
Humidity and temperature — the quiet enemy
Antique wood “breathes” and responds to changes in humidity. The Israeli climate poses a double risk: a dry summer that shrinks and splits, and a damp winter that swells drawers and joints. Keep relative humidity at 45%–55%, keep furniture out of a direct air-conditioner blast and away from a window in strong sun, and avoid placing it against a damp exterior wall.
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