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A general rule of thumb is "clean, dry, and dull" for coating over an existing finish. The clean and dry is self explanatory, and the dull can be achieved by sanding with a suitable abrasive.

A more suitable alternative to recoating existing lacquer would be a polymerized Tung Oil like Waterlox. Waterlox will give a "rejuvenating" sheen, excellent moisture resistance, and much easier future maintenance than either a lacquer or a polyurethane.

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16y ago

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