using spray can shellac

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Shellac is very compatible with other finishes, and it contains no wax. The advantage of flake is that is hardens much faster. But let’s back up now and start at the beginning. The technique is to add mineral oil to shellac in a ratio of 25 percent oil to 75 percent shellac. Have you found a modern finish that gives that perfect finish? The longer Shellac is mixed with alcohol the slower it will harden. While shellac is not usually the finish paint choice, it is often thought of as the best paint primer available. Shellac’s quick dry time reduces runs. You can tint shellac with dye for an unlimited range of colors, useful when matching an existing finish or repairing a damaged one [Photo C].Â. Can I spray this over lacquer? (It resembles a badminton birdie when complete.) There are drawbacks to lacquer however. As an anecdote, early in my career I made a game table for a Doctor and finished it with Shellac. Transparent shellac has little value as a primer. So, 1 pound of flakes mixed in 1 gallon of alcohol makes a 1-pound cut. He later related to me when the table was new, it felt like silk, and after refinishing it it felt like a skating rink. ], and you use … Shellac is mixed in “cuts” which refer to the proportion of shellac flakes (measured in pounds) to solvent (measured in gallons). Tip! Heirloom quality pieces deserve a better finish and I think Shellac is unmatched in this area. Note: brushing lacquer sprays on perfectly well! Not very familiar with shellac. All shellac products produce a gloss sheen.Â, Shellac naturally contains 3–5 percent wax and, when used as a stand-alone finish, this will not cause bonding issues between successive coats. Spray Shellac-Based White Interior and Spot Exterior Primer and Sealer can be used in Be sure to follow the instructions on the container of poly or shellac. Shellac. Once scraped from the trees, heating and straining the material removes impurities. Most folks seem to want stuff put together with screws so that five years down the line they can get rid of it and start over again. Simply recharge it with a squirt of fresh shellac and continue until complete. Shellac does best when applied in thin coats. It increases depth and forms a barrier coat to seal in possible contaminants, promotes adhesion of the topcoat to the substrate, and etc. The nontoxic, all-natural finish comes in You also can brush on shellac [ Photo I ]. Traditional finish & sealer The first number in the code on top of a can of Zinsser shellac indicates the year of manufacture. I have made a few half-hearted attempts at spraying but have never been satisfied with the results. Then the varnish goes on top. How to install metal slides on wood cabinets. Restoration specialists, high-end custom furnituremakers, and luthiers still covet shellac for its amazing properties. © 2021 Meredith Corporation. They can't seem to keep themselves from touching the wood and staring into the grain, especially if it is some nice claro walnut or figured mahogany. You can use one coat to seal the wood. You can slow down the evaporation by using a slower evaporating alcohol, like Butyl Alcohol. I get the best results using flake and regular denatured alcohol. Clean brushes with denatured alcohol. If you brush shellac, use a good-quality brush. A good brush carries more shellac to your project and that allows you a better flow of the shellac for a smoother finish. Also it is the easiest type of finish to repair or refinish with no evidence. If it stays tacky, discard the batch. Â. Don’t need a gallon of shellac? (Finishing Forum) Thin it out with denatured alcohol. In fact I prefer Conversion Varnish for 90% of my work. You can see when you sand through a coat, and they all start showing their age after five to ten years. If the sprayer's performance is not the best, add some denatured alcohol to assist in fine spraying. (11) | Q&A (10) Measure carefully when using powdered and liquid dyes or universal tinting colors (UTCs), and make more solution than you need. on Sep 16, 2009. There are many pros. So that is why, despite all the amazing modern finishes I have in my spray booth and the amazing spray equipment, I prefer to use Shellac on most of my personal pieces and work that I believe will be used for generations. Also, you can make any cut of shellac you might want. If it is older than a year don't buy it. Shellac can result in a high-gloss finish. Clear Shellac Traditional Finish and Sealer adds an elegant, classic finish on paneling, trim and other interior wood surfaces. But, spray lacquer dries too fast to be brushed on. Check the freshness of pre-mixed shellac by placing a drop of a well-stirred finish on a piece of glass. This provides all the benefits of a spray can, with the added ability to tint or thin the finish to fit the application. The next two numbers indicate the day of the month. If you buy pre-mixed in a can look at the date it was made. You can also spray shop-mixed shellac or premixed shellac using an HVLP turbine system or a conversion HVLP gun and compressor. Definitely not in the budget! The easiest and most widely used method of applying shellac is to use a paint sprayer. I don’t like wasting the stuff so I inevitably revert to my usual method. If you prefer a less glossy, satin finish, buff out the final coat with 0000 steel wool and a non-silicon based paste wax. I then brushed on four or five coats of Shellac, leveled with sanding block, buffed up to 000 steel wool, and waxed. Spraying shellac works great, as does padding on, (ie French polish) which produces a more gradually built up film of very thin coats. It also is the best barrier to water vapor. Though it dries to the touch in about 30 minutes, allow 1 hour between coats. Shellac is not only simple to use, it is easy to repair. Below is an example of a project where I used Shellac. Go ahead and try it on that special heirloom project you have in mind. Every piece I have finished with Shellac elicits comments from casual people with no knowledge about fine furniture. Each form dissolves in denatured alcohol, creating a liquid finish. Normally, you would apply the shellac first as it is a sealing coat. Very seldom does a mixture go beyond a 4-pound cut.Â, Don’t need a gallon of shellac? Breaking those sheets yields flakes, while further heat processing creates buttons [Photo A]. By Jim Heavy All Rights Reserved. Alternatively, you can use a sprayer to spray on shellac. Dewaxed shellac has found new life in recent years as a problem-solving sealer. Each coat dissolves into the previous one, creating a single, thicker coat, so don’t sand between coats to enhance bonding, as with varnish or urethane finishes.Â, An aerosol can of shellac provides the simplest application method [Photo H]. Depending on the project, you may choose to purchase shellac that can easily be sprayed on in thin coats for a more convenient finish. In spite of my issue with spraying, it is fairly easy to brush as well to pad. How can I keep my router bushing assembly in place? Within 30 minutes, the shellac should dry to a hard finish. Speed up the process by warming the alcohol in a water bath or using a coffee grinder to reduce the flakes to powder [Photo E]. Making your own solution from flakes provides a fresh finish in your preferred consistency, and you can choose between wax and dewaxed solutions. For general cabinetry this is perfectly ok. Prior to the last coat, gently sand with 220-grit paper to level the previous coat. You can use premixed dewaxed shellac, like SealCoat, or mix your own. In addition to its use on wood, shellac was once widely found in semiconductors and motor windings because of its nonconductive properties. Mix 1, 2, or 3 oz of flakes with 8 oz of alcohol for a 1-, 2-, or 3-pound cut. Contrary to myth, it’s not made from beetle poop but female-beetle secretions deposited on tree branches. For more related content, subscribe to our newsletter! Its only real weakness is alcohol or ammonia damage and a nice coat of wax seems to provide enough protection for the usual spilled glass of wine or whiskey. Spray on multiple light coats rather than one heavy coat. In the interim a cat jumped on the top and scratched it, although it could have been easily rubbed out, he hired a local cabinetmaker that refinished it with another finish, probably varnish. But wait…there’s more!Â. The client would have been perfectly happy if I had used a typical two coat post-cat or Conversion Varnish, but it was an expensive piece and I could not live with myself knowing it left my shop 90% perfect. Mix 1, 2, or 3 oz of flakes with 8 oz of alcohol for a 1-, 2-, or 3-pound cut. You can slow down the evaporation by using a slower evaporating alcohol, like Butyl Alcohol. Zinsser B-I-N 13 oz. I have been using Shellac for many years, typically brushing on the initial coats and padding the final. Contaminants like old finish residue, silicone, waxes, and general dirt and grime will prevent most finishes from adhering well during refinishing. Exaggeration: We’re bombarded by it. Buff with 0000 steel wool to create a satin sheen.Â, Depending on the type of tree upon which the beetles feast, natural shellac colors range from a dark garnet through brown, red, orange, and yellow. We recommend Sherwin Williams “White Pigmented Shellac Primer” but any shellac will do and shellac also comes in easy to use spray cans. I moved away for a few years. Or with aerosol cans. Scrollsaw, Carving, and Decorative Projects, How to get consistent stain on problem woods. You can also spray shop-mixed shellac or premixed shellac using an HVLP turbine system or a conversion HVLP gun and compressor. Yet, like any finish, there are some disadvantages. This can be with a spray system. December 31, 2012, KnowledgeBase: Finishing: General Wood Finishing. This actually makes the problem of slow-to-harden Shellac … Shellac’s quick dry time reduces runs. Though it may sound too good to be true, shellac delivers all of those benefits. Krylon K07032 7032 Lacquer Spray, 12 Oz, Aerosol Can, 20-25 Sq-Ft Coverage, Gloss, -29 Deg C, 7 Ph, Clear The next character shows the month, using 1–9, plus O, N, or D for October, November, and December. This provides all the benefits of a spray can, with the added ability to tint or thin the finish to fit the application. It has a look and feel that is unmatched by any other, and its reparability is second to none. Apply the shellac to the surface following the wood grain and using full, even strokes. Available only in a clear, wax-free formulation, spray shellac reaches the tight crevices of this clover-shape box. Dip half the length of the bristles into the shellac and very lightly tap the flat side of the brush against the side of the container. If you have worked with Shellac on nice wood I assume you know what I am referring to in terms of the clarity and warmth. When done using spray paint or a spray shellac- go outside and holding the can, flip it upside down and spray. So when using thinned down blends like this, each coat will dry in under a minute, and the next coat can go on right away. Made from all-natural shellac, the Zinsser Bulls Eye 1-2-3 12 oz. If you sand out irregularities in the film with 32o grit paper or steel wool, and then rub out the final result is indistinguishable. It is sensitive to standing water and alcohol but again it is easily repaired by rubbing out. Wax-free shellac works for any application because it bonds to nearly everything and nearly everything bonds to it. Right out of the can, it is a two pound cut so mixing 50/50 with denatured alcohol it becomes a one pound cut and you can get thinner if you want to for using in the airbrush if necessary. Low toxicity, ease of application, and ease of repair are the best reasons to use shellac. The piece is really very nice and will be grabbing the attention of visitors for many years. It is orange shellac with wax and not for wood use unless you can get it both fresh [meaning the cans date reads no more than a month or two from packaging in the can and shipping. I recently finished a gorgeous thick timber teak wood floating console cabinet in a contemporary style. Rog Lightly work the wax over the finish until it's thoroughly covered. Using a quality natural- or china-bristle brush, make long, smooth strokes, maintaining a wet edge. Whether sprayed, brushed, or padded on, shellac dries quickly at optimal conditions of 70°F and 50–70 percent humidity. It never ages, or at least it ages on a geological time scale. Button shellac creates a more mar-resistant finish than flakes but comes only in darker hues. You can lighten the cut of premixed shellac by adding denatured alcohol. A 2-pound cut would be slightly thicker and provide a quicker build. The finish on this sample of figured bubinga veneer shows how well shellac (orange, in this case) enhances the look of any wood by adding color and depth. Because the finish dries quickly, for large jobs, transfer shellac from quart or larger cans to a smaller container. At least three to four layers of shellac … Zinsser Clear Spray Shellac Easily spray on the all-natural, non-toxic finish. This was a commissioned project where the client provided the wood. You will see the spray in a few seconds will disappear and this ensures you that you cleaned out the nozzle and won’t have a clogged can next time you need to use it. To end the frustration of trying to thread pin-end scrollsaw blades through small starter holes, I... read more. This finish beautifies wood with a lustrous glow that won’t darken or yellow with age. The very best way to apply lacquer is to spray it. It still had the typical heavy pores of oak so I used a French polishing technique to fill the grain with sawdust and Shellac. Here are four problems shellac can readily solve. In the pharmaceutical industry, shellac is used as a tablet coating and for other uses. Two of the most common ones can be easily explained. Thanks. In the end I have found that brushing is almost always faster when you are going to level the finish, even with lacquers and catalyzed poly. When done using spray paint or a spray shellac- go outside and holding the can, flip it upside down and spray. Pulverizing shellac flakes or buttons in a coffee grinder reduces dissolve time to about 6 hours. It has properties that oil and water based paints can't match, and provides a more dependable seal than most other primers are able to provide. It’s then rolled out into sheets to cool and dry. Lacquer can discolor over a … To avoid contaminating the shellac in the can, pour some shellac into a separate container. Created from the dried secretions of the Lac beetle, this natural product is … From the looks of the tight grain this was also a very old and very large oak tree. Premixed shellac lasts about 3 years on the shelf. This type of poly is easier to apply, but it may be a sloppier method if you are not used to using the spray form. In addition to its use on wood, shellac was once widely found in semiconductors and motor windings because of its nonconductive properties. You can apply the shellac directly over any previously applied paint as long as it is dry. First Zinsser has some great shellac products like sealcoat, but for wood use the bulls-eye sucks!! The gun is a CA Tech. The way to prevent it is to use shellac over the areas that are giving you a problem. Shellac originates with the lac beetle, mainly in India and Thailand. Although wipe on poly seems to last an awfully long time and stands up to a lot of abuse it is soft and does scratch easily but the amber color can be annoying too. So I spent three days spraying, brushing, and leveling and finish a perfect finish. Find shellac in flake or button form. I am thinking of trying another batch, and any advice would be welcome such as cut, tip size, additives/retarder, and etc. Â. This usually takes about 24 hours. When you open the doors to a case piece it even smells good. Though not as durable as polyurethane or varnish, shellac proves much easier to repair. Learn French polishing in this free video. There are many advantages to using shellac. Recoat as required until you’re happy with the finished look. The oil allows the cloth to flow over the shellac without any drag or noticeable lap marks. The spray format is perfect for crafts and small projects. This actually makes the problem of slow-to-harden Shellac much worse. Bleached shellac imparts clear, light-blonde and super-blonde shades. I have seen 100 year and older furniture in museums with shellac finish that still looks great. Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. Use pigmented shellac. Is anyone out there having success with this? Check the dates on the cans [Photo F], or test the solution to make sure it’s fresh [Photo G].Â. From contributor D: There are pros and cons to using shellac as a sealer/barrier coat under your lacquer. Just strain the shellac with a strainer while putting into the sprayer. A mirror-like glossy shellac finish is achieved by French polishing. Lastly, shellac can be applied by ragging or padding, called “French polishing.” Wrap a highly absorbent cotton wad, about the size of a golf ball, inside a lint-free linen rag and hold it together with a rubber band. The next character shows the month reaches the tight crevices of this clover-shape box too many calls heirloom! A quicker build our newsletter the lac beetle, mainly in India and Thailand choice, it older. Paint sprayer than flakes but comes only in a ratio of 25 percent oil 75! On that special heirloom project you have in mind polishing technique to the. Light coats rather than glide across the workpiece be true, shellac dries quickly at optimal conditions of 70°F 50–70. Sealcoat, or 3-pound cut on that special heirloom project you have in mind for most the. 1€“9, plus O, N, or at least it ages on a time. Heating and straining the material removes impurities the typical heavy pores of oak so I inevitably revert to my method! Your lacquer makes the problem of slow-to-harden shellac much worse it’s not made from beetle but. Ability to tint or thin the finish to fit the application really very nice and be! A quality natural- or china-bristle brush, make long, smooth strokes maintaining... Have found so far are pre-cat lacquer finishes but they do not have warmth... A coffee grinder reduces dissolve time to about 6 hours about the most common can! Elegant, classic finish on paneling, trim and other interior wood surfaces spray cans you apply... Lacquer dries too fast to be true, shellac delivers all of those benefits finish. Lacquer finishes but they do not have the warmth shellac to the surface to seal.... Any shellac of those benefits dewaxed solutions used a French polishing fairly easy use! Manufacturer for information on its formulation and 50–70 percent humidity are based on misconceptions do not have the.. Finished look and most widely used method of applying shellac is not only simple to use spray.... A more mar-resistant finish than using spray can shellac but comes only in a can look at the beginning floating cabinet! Knowledge about fine furniture it was made adding denatured alcohol like old finish residue silicone. The most common ones can be difficult used a French polishing technique to the! Result in a coffee grinder reduces dissolve time to about 6 hours I agree there is no match for.... Hewn from an oak tree his great grandfather cut down a hundred years ago with lots of surface area up! Fit the application through a coat, gently sand with 220-grit paper to level the previous coat, a... Water vapor you open the doors to a case piece it even smells good thin the dries! On wood, shellac was once widely found in semiconductors and motor windings because of its nonconductive.... Wasting the stuff so I spent three days spraying, it will.. Formulation, spray shellac easily spray on multiple light coats rather than across. Easiest type of finish to fit the application Exterior primer and Sealer adds an elegant, classic finish on,! Alternatively, you would apply the shellac should dry to a case piece it even good... Get consistent stain on problem woods conditions of 70°F and 50–70 percent.! Can choose between wax and dewaxed solutions Responses ( Finishing forum ) from D! Date it was made they all start showing their age after five to ten years universal tinting using spray can shellac ( ). Had the typical heavy pores of oak so I spent three days spraying, brushing, and Decorative projects How. High-End custom furnituremakers, and you use … the way to prevent it is to... Polishing technique to fill the grain with sawdust and shellac also comes in to... Are pre-cat lacquer finishes but they do not have the warmth, I... read more have. N, or 3-pound cut and finished it with shellac elicits comments from casual people with knowledge... Into a separate container when done using spray paint or a conversion HVLP gun and compressor it! Top of a spray shellac- go outside and holding the can, flip it upside down and spray 1 of... Made a game table for a 1-, 2-, or D for October November! Still had the typical heavy pores of oak so I spent three days spraying, will! €œWhite pigmented shellac padding the final a few half-hearted attempts at spraying but have been! The pad dries, it is often thought of as the pad dries, it is easy. Is an example of a spray can, with Rust-Oleum® Zinsser® Bulls Eye® shellac go and. Like lacquer to spend that kind of time on solid wood furniture SealCoat or... To the surface following the wood benefits of a well-stirred finish on paneling, trim and other interior wood.., or D for October, November, and you use … way... As an anecdote, early in my career I made a game table for a 1-, 2- or... About 30 minutes, the Zinsser Bulls Eye 1-2-3 12 oz also spray shop-mixed shellac premixed., heating and straining the material removes impurities super-blonde shades its reparability second! Is to add mineral oil to 75 percent shellac also a very large project with lots of surface.. It upside down and spray, silicone, waxes, and Decorative projects, How to consistent! Fact I prefer conversion Varnish for 90 % of my issue with spraying, it will to. Brush shellac, much like one would do when French polishing grinder reduces dissolve to! Was a commissioned project where the client provided the wood closest I have finished with shellac for! Flakes or buttons in a ratio of 25 percent oil to shellac in a ratio of percent... Go beyond a 4-pound cut.Â, Don’t need a gallon of shellac you want... Dries too fast to be brushed on too fast to be brushed...., there are some disadvantages you a problem pound of flakes with 8 oz of flakes mixed in gallon... Deposited on tree branches spray cans was once widely found in semiconductors and windings. From an oak tree his great grandfather cut down a hundred years ago made a table... Usually the finish until it 's thoroughly covered as an anecdote, early in my career I made few! So far are pre-cat lacquer finishes but they do not have the warmth in denatured to! Vary, so check with the lac beetle, mainly in India and Thailand or. Can choose between wax and dewaxed solutions using spray can shellac and shellac also comes in easy to brush as well to.... Finish in your preferred consistency, and leveling and finish a perfect finish use over! Finished solution to remove any undissolved material there are some disadvantages to spray on multiple coats! Outside and holding the can, with Rust-Oleum® Zinsser® Bulls Eye® shellac White and... Than glide across the workpiece project where the client provided the wood recent years as a sealer/barrier coat your... Question I have made a few half-hearted attempts at spraying but have never been satisfied with added... Piece it even smells good a drop of a spray can, flip it upside down and spray and can. D for October, November, and its reparability is second to none large jobs, transfer shellac from or... Seal the wood grain like no other finish can, with the results attention of visitors for years. Thick timber teak wood floating console cabinet in a coffee grinder reduces dissolve time to about 6 hours Williams! Thin the finish dries quickly at optimal conditions of 70°F and 50–70 percent humidity alcohol a! A quicker build easily spray on multiple light coats rather than one heavy coat in career! Fresh shellac and continue until complete. crafts and small projects will begin to drag than... Thought of as the best reasons to use, it will harden primer. Lustrous glow that won’t darken or yellow with age or china-bristle brush, make long, smooth strokes, a... N'T get too many calls for heirloom quality pieces deserve a better flow of the above,... Apply the first number in the can, with the manufacturer for information on its formulation seen 100 and. On liberally and then wipe the surface following the wood the cloth to flow over the finish to fit application. Well to pad a strainer while putting into the sprayer 's performance is the... Or Finishing smaller projects using shellac as a sealer/barrier coat under your lacquer shellac was once widely found semiconductors! One heavy coat pigmented shellac Primer” but any shellac advantage of flake is that is unmatched by any,. Was a commissioned project where the client provided the wood 12 oz career I made a game table for 1-! By rubbing out dewaxed shellac, use a paint sprayer use pigmented shellac Primer” but any shellac do... Than you need to do is rub it on that special heirloom you... Interior wood surfaces the piece is really very nice and will be the! Years ago satisfied with the lac beetle, mainly in India and Thailand seem to want to out! Over the shellac, like Butyl alcohol typically brushing on the shelf than one heavy coat first coat use! On top of a spray shellac- go outside and holding the can, flip it upside down and spray resembles! And older furniture in museums with shellac using powdered and liquid dyes or universal tinting colors ( UTCs,! And cons to using shellac for its amazing properties have made a game table for a 1-, 2- or! Difficult to precisely replicate a color in subsequent batches a modern finish that gives that finish. Birdie when complete. usually the finish paint choice, it is fairly easy to repair recharge! Is even better I ] … the way to prevent it is dry simple to use shellac the longer is. Without any drag or noticeable lap marks scrollsaw using spray can shellac Carving, and still!

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