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Q&A for How to Apply Shellac
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QuestionHow long does it take for shellac crystals to dissolve in denatured alcohol?Robert WolfCommunity Answer1-2 hours. My method includes grinding the shellac flakes into a fine powder with a coffee grinder. This allows more of the flake's surface area to come into contact with the alcohol at once and dissolve quicker. Room Temperatures of 75 F-90 F will speed up this process.
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QuestionCan I mix brick wax with shellac?Community AnswerYou should not mix shellac and wax as it will not harden completely. After the shellac has cured completely, a coat of wax protectant can be applied.
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QuestionWhat color does shellac turn when dry?Community AnswerShellac normally dries clear. However, some shellacs will dry with an amber, brown, or red tint. It should be specified on the container what tint the shellac will dry.
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QuestionHow long will it take for the shellac to produce a hard finish?Community AnswerIf you're referring to a smooth, piano-like finish, it will take many, many coats of 2-3 lb cut. Like more than 10, and there will be sanding. It will also depend on the wood, red oak without pores filled will take more than hard maple.
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QuestionWhat can be used to thin shellac?Community AnswerUse denatured alcohol. Alcohol is the solvent for shellac and should be used to thin it. If you are using a colored shellac, i.e. deep amber or orange, don't thin too much or you'll dilute the color.
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QuestionHow long can I leave a coating of teak oil on before adding shellac?Community AnswerIf it's real teal oil (which it almost certainly isn't), you could leave it on for many weeks. If it's a product called teak oil that's actually varnish, leave it until you can't smell it anymore when you hold your nose right up against it.
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QuestionI have bedroom furniture with shellac, and it has worn out. What should be done to bring back the original look?Community AnswerFrench polish is a good option, adding new shellac to the original finish.
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QuestionCan I put finish over shellac?Community AnswerNo, shellac is your finish. You won't find a better clear coat. Some maintenance may be involved after the coating has been exposed to years of use.
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QuestionHow do I remove fingerprints from shellac?Community AnswerPut some ethanol on a rag and reflow the shellac that's already on where the fingerprint is. Then add a bit of shellac to your rag and wipe the shellac over the fingerprint and polish the fingerprint out. Add more ethanol/shellac as necessary to make the fingerprint disappear.
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QuestionCan I use shellac on top of a wood stain?Community AnswerYes, after the recommended dry time of the stain you're using. Most minwax stains recommend 8 hours.
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QuestionCan I seal stripped, cleaned wood with shellac prior to using a primer?Daniel DickersonCommunity AnswerYes. Shellac adheres to just about anything, and any finish will stick to it. No other primer will be needed. Shellac is used as a primer because no matter what has been used on the wood before, shellac will seal it in, and all lacquers and varnishes will adhere to it. Zinsser primer is just tinted shellac. One caveat though, if you are going to be applying a penetrating oil finish, then any primer/sealer will prevent the final finish from penetrating the wood.
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QuestionHow do I get the brush marks to go away when applying shellac?Daniel DickersonCommunity AnswerOne trick from French polishing is to make a pad from a wad of cotton wrapped in linen so that you have a smooth surface on the bottom. Soak this in shellac (or just denatured alcohol) and use broad strokes from end to end on your surface. Be careful not to over saturate the pad. The shellac/alcohol will remelt the existing surface and cause it to dry smooth.
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QuestionCan I use shellac on painted furniture?Community AnswerYou could, but there is no good reason to do this. The main purpose of shellac is to enhance natural wood grain without looking like a plastic cover coat. If the wood is already painted, you might as well use polyurethane, which is more durable.
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