From the page: Rust is hidden ink
Idea 3
Aged effect on new wood
New boards have a "store-bought" look — pale, uniform, storyless. Modern industrial-style artisans turn to iron mordant precisely to give new wood an aged tone, because the reaction with tannins reproduces the natural darkening that takes decades. The trick is choosing tannin-rich woods (oak, pine, mahogany) and controlling the application: less contact time, subtler the effect.
What you need
- Strained iron mordant solution
- Cotton cloth or soft brush
- Fine sandpaper (220 grit)
- Damp cloth
- Furniture wax or linseed oil (optional)
How to make it
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1
Sand the wood with 220 grit and remove dust with a damp cloth — a clean surface absorbs evenly.
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2
Dilute the mordant in water (1 to 3) to start mild; it's always easy to darken more, hard to lighten back.
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3
Apply with a cloth in long strokes, following the grain, covering one section at a time to avoid seam marks.
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4
Let it sit for 5 to 20 minutes, checking the tone — the reaction continues even after the surface dries.
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5
When satisfied, wipe off the excess with a damp cloth to stop the action.
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6
Once fully dry, apply wax or oil to seal and give depth to the tone.
Finishing touches
A perfect match with exposed hardware and clean lines: it's the magazine-spread industrial look. Always test on a hidden corner of the piece first.
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