Varnish, lacquer, shellac and other clear coats are applied to protect wood furniture and flooring from scratches, scuff marks, and stains. Applied properly, these products do their job well—but what if you want to re-expose the wood grain for refinishing, repair, or restoration? Though labor-intensive, sandpaper is capable of removing nearly any wood finish. Shellac and lacquer are alcohol-based finishes, which can be removed with a variety of solvents that are available from your neighborhood hardware store.
The Quickest Way to Remove Varnish & Stain Without Sanding
How to Remove Varnish and Other Wood Finishes - Bob Vila
Brilliant commercial strength water-based wax polish remover, and degreasing agent for reliably preparing all surfaces prior to painting or refinishing. Transparent pale blue liquid suitable for use on all metal, plastic, wood, glass, and previously painted surfaces etc. Works very fast, spray on, agitate and wipe off. Ideal preparation for removing wax polish finishes from timber - as it won't mobilise the Lignin. An alternative to standard steel wool. Reduces the risk of rust staining on timber etc. Medium grade only.
Most home centers, hardware and paint stores, drugstores, variety stores, and even grocery stores carry a variety of paint and varnish removers. All soften old finishes so that they can be scraped, washed, steel-wooled, or sanded off. There are differences among removers, however, in chemical content, removal techniques, and price. Inexpensive paint and varnish removers soften old finishes, but they're not necessarily the bargain they appear to be.
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