How to perfectly level a piece of furniture on an uneven floor?
- Prepare: empty the furniture, place it in its final location. Work in pairs for heavy furniture.
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Check the level: place a spirit level (or a ruler + level) on top in both the front-back and left-right directions. Also check the plumb of the uprights (front).
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Adjust the glides/feet (if present): screw/unscrew each glide to raise/lower the support point until the bubble is centered in both directions.
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Without adjustable glides: slide rigid and thin shims (plywood, PVC, or carpenter's shims).
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Avoid cardboard or soft shims that compress.
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Prefer two small opposing shims rather than one large one under a single corner (better support).
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Long/heavy furniture: check the central leg (if it exists); it should bear weight after adjustment to avoid sagging.
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Final stability: the furniture should rest fully (no "rocking"). Add non-slip pads if the floor is slippery.
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Check the hardware: slightly tighten hinges/slides then refine alignment (doors/drawers).
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Recommended gap: ~2–3 mm between doors and in relation to the cabinet.
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Safety: for display cabinets/columns or in the presence of children, secure to the wall with the anti-tip kit suitable for the type of support (plasterboard/brick/concrete).
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After 48 hours: recheck (the shims/floor may compress slightly).
Tips: on thick carpet, ensure a flat support (wider glides, possible cutting of the carpet under the feet). Avoid shimming only at the front: distribute the supports to avoid twisting the cabinet.