So if you mixed three pounds of shellac flakes into a gallon of DNA, you would have a three-pound (#3) cut of shellac. richard i am making a large 6feet by 3feet paduak table top did your method give any problems 2.. we put mineral oil on it and mineral oil with a wax. If the finish seems to be drying on most regular wood surfaces, but it will not harden on an exotic wood, consider the following: Unlike many of the comparatively tamer domestic hardwoods that woodworkers in the United States, Canada, and the United Kingdom are used to working with, many trees in tropical climates have unique chemical compositions in their heartwood extractives. Now, June, 2018. prepped deck for yearly maintenance, and Thompson’s oil is bubbling in spots, slick in spots. Does it still require dewaxed shellac sealer/primer coats? Become an UNLIMITED member and get it all: searchable online archive of every issue, how-to videos, Complete Illustrated Guide to Woodworking digital series, print magazine, e-newsletter, and more. equals #3 cut, and so forth.). It turned it to a reddish tone and more importantly there are… Read more Â». When I downsized and remodeled an old kitchen, they used the piece I had been storing to make the counter on a two level island. applied several coats and allowed to dry for 24 hours then sprayed it with poly, two coats that cured as expected. We sanded that off. Can the Can(ned) Shellac These additives are meant solely to help prevent people from drinking industrial alcohol by giving it a bad taste and a powerful smell. Be sure to use dewaxed shellac thatâs thinned to a 2-lb. So if you’re looking for a pure, consistent supply of high-strength alcohol that doesn’t contain this spectrum of chemicals., think about the bottom shelf at your local liquor store.Â Everclear and Diesel are two brands of nearly pure alcohol that contain less than 5% water.Â They are commercially available in most states and are the perfect solvent for shellac, with no denaturant and a minimum of water. I probably wouldn’t use shellac for hardwood floors anyway. Any idea what the chemical name is and where i can get it? For background info- I used a polyurethane the first time, and it blistered. (This is a monthly update, and your email will be kept private.). Thank you for quick reply! This can lead to difficulties in drying, polishing, and applying a fine shellac finish, as well as interfering with the clearness of the final finish. I have amassed over 500 wood species on a single poster, arranged into eight major geographic regions, with each wood sorted and ranked according to its Janka hardness. The wood species is Morado, from South America. The bowl needs some type of oil or shellac! Need some advice here.. I have a very similar problem with my cumaru deck. Commercial product which I used has isobuthanol as a medium – perhaps because of that, manufacturer guaranteed 2-year shelf-life, which is expired 1.5 years ago (yesterday I could not resist to use it again as a preliminary grain sealer for pine/spruce – it dries and sands, but somewhat sticky if touched with warm hands – like glossy magazine). Pour alcohol into a small, sealable jar, and gradually stir in flakes. Help, we just bought a beautiful cocobolo bowl in Nicaragua! Here is a way to make your shellac finishes better and easier to use. Finally! Auxiliary data. Each wood has been meticulously documented and photographed, listed with its Janka hardness value (in lbf) and geographic and global hardness rankings. As far as I am aware, yes it will stick, and yes, you still need a coat of shellac between the wood and the finish. Our biweekly podcast allows editors, authors, and special guests to answer your woodworking questions and connect with the online woodworking community. We made two mistakes with finishing 1. the people making the counter sealed it with a floor sealer that was hazardous to your health. It’s unsafe to walk on currently due to how slick it is. john russell. is that less likely to happen with lacquer? So if you mixed three pounds of shellac flakes into a gallon of DNA, you would have a three-pound (#3) cut of shellac. Use your shop sanders to help take the tedium out of the process of sanding. Shellac is a wonderful finish with a fantastic range of applications and possibilities. Can it be burned indoor without affecting you negatively? Bright orange/red Padauk is my favorite accent wood. An easy-to-make applicator lets you put down thin, even coats of shellac. It came glued to make longer pieces. Simple recipe for homemade shellac sealer. – I used this also as a sealer/intermediate… Read more Â», Help, help, help I fell in love with zebra wood and decided to do a kitchen island. Pure grain alcohol will dissolve your shellac more smoothly and will build your finish more quickly. Is Sneezewood suitable to be in a pizza oven? The second is that there is no way of knowing what kind of alcohol was used to produce the product. I recently tore up my back deck that I had put down a year prior because it turned black when I applied Penefin exterior deck finish to Tiger wood. Also, many complications can arise between low-quality wood stains and polyurethane, so be sure to test on a scrap piece before any large project. Or do I need to seal it with shellac first? It is unfinished in 5″ planks 3/4″ thickness. Click for full details. Update 2 years later. A couple examples of evaporative finishes would be nitrocellulose lacquer and shellac. Don’t use steel wool on any wood surfaces micro particles of steel can get in the wood then rust and tarnish the wood. Have you ever had a project that was coming along nicely up until the finishing step? Does anyone have any suggestions as to how I can solve a problem with my kitchen island bubinga wood countertop? A mineral-spirits soaked rag can usually remove the bulk of the finish. after a week i removed it with Curious if anyone has suggestions for treatment of a milky white appearance of some spots on an Ebony musical instrument. My questions are: Mixing eight ounces at a time makes it easiest to calculate the pound-cut of the shellac: simply substitute ounces for pounds (i.e. UNLIMITED Membership is like taking a master class in woodworking for less than $10 a month. Aspiring wood nerds be advised: your syllabus may be calling for Worldwide Woods as part of your next assignment! Shellac makes an excellent sanding sealer and intermediate coat between bare wood or stains/colorants and the final topcoat(s). you can add “milo” to the list of woods that prevent reactive finishes from finishing. Did not have any shellac handy so i tried a water based varnish and it cured nicely in just a half hour. I have not had a problem since doing this. Water doesnt bead up on it, it will slightly soak in. must be done every year, Going to be preserving a large IPE deck in very close proximity to the ocean. Sodium chlorate appears as an odorless pale yellow to white crystalline solid. I want to recover the original unfinished look. I need to remove a urethane spar finish applied in error to an old previously unfinished antique butternut door. Yours is the first comment I’ve seen in hours of searching that addresses my exact concern. Need some advice please – we have procured a substantial amount of Sneezewood, an indigenous tree to South Africa. What went wrong, and how do you solve this problem? Creative director Mike Pekovich demonstrates. No extra steps involved on oily exotics. Most people simply use commercially available âdenaturedâ alcohol. I made Two outdoors chairs using IME and finished them with ipe oil. Can the Can(ned) Shellac Creative director Mike Pekovich demonstrates how easy it is to make a batch of shellac from flakes. What should I use? to be used for refinishing. Alcohol solvent is readily available at any hardware store, and shellac flakes can be purchased at woodworker retailers, as well as online. There’s an adage among woodworkers about shellac that may not even overstate its usefulness as a wood finishing agent: Shellac sticks to everything, and everything sticks to shellac. I applied poly over stained Goncalo Alves (Tigerwood). Mixed with shellac, it will produce a serviceable finish. Thanks, David, Eric, very informative article. This article just saved my life. of denatured alcohol solvent. Prior to Prohibition here in the United States, woodworkers would have simply mixed their shellac with a high proof, grain-derived alcohol that contained a minimum of water. It just flakes off and my nails remain sof. Hey, I have some rosewood sarking Iâve put up in my van, Iâm getting such conflicting Info on how to dress it, can I apply a 2k acrylic polyurethane straight on top of it? -Bob Miller is a custom furniture maker and woodworker based in the Charlestown neighborhood of Boston. These compounds are called denaturants, hence the term âdenaturedâ alcohol. A little question, if you please. When adding the 2nd coat of Tung or teak oil use 600 grit paper to get the oils deep into the wood. Should I consider lightly sanding these dry… Read more Â», I got some ipe from a friend The finisher evidently did not have much experience with exotic species. What mold looks like, what harmless mold looks like, stuff that is not mold: Home Guide to Mold Testing: How to recognize Stuff that is Not Mold or Harmless Mold but may be mistaken for it- save your money Photos & text aid identifying indoor stains mistaken for toxic mold How to identify white stains, white fluffy material, white crystalline material on building walls & in â¦ Premixed varieties of shellac can be highly variable in quality. We have created these special content collections organized to give you a deep dive into a range of topics that matter. To prevent people from recreationally drinking this industrial solvent, denatured alcohol contains substances such as denatonium, benzene, and pyridine. The deck is large and I would prefer get this right for the client this time. of denatured alcohol solvent. Shaker candle stand with Christian Beckvoort, Webinar: Shellac, the wonder finish with Tom McLaughlin, Storing and Dispensing Finishing Products, Complete Illustrated Guide to Woodworking USB, Editor's letter: Finding sanctuary in the shop. A test piece showed polyurethane coated great. Evaporative finishes differ from reactive finishes in that they are generally simpler, and do not undergo any sort of chemical reaction to cure or harden. © 2021 The Taunton Press, Inc. All rights reserved. Thanks in advance. It provides a blog engine and a framework for Web application development. The poster,Â Worldwide Woods, Ranked by Hardness, should be required reading for anyone enrolled in the school of wood nerdery. Stir or shake jar every 10-20 minutes; flakes should dissolve within a few hours. Odies oil is your solution. Larger quantities can also be mixed for larger projects: just remember that shellac has a limited shelf life, and the fresher the shellac, the better. I should have believed other recent reviews. Although it is not itself flammable, the solid product and even 30% solutions in water are powerful oxidizing agents. That is to say, they undergo a chemical reaction as the solvent in the finish evaporatesâultimately causing the finish to cure and harden. Is it good to use medicine-grade ethanol for prep? Get step-by-step instructions, woodworking tips, expert advice and special offers in your inbox. Using the wood as a soffit on a pool house. It can range from an easy utility finish all the way up to the finest of fine polished finishes. Zinsser produces a line of shellac finishes available in most hardware stores which have their date of manufacture printed on the bottom of the can, helping to ensure that you get a fresh product. Bulk Density (lb/cu.ft.) This means that some brands are cut with water to increase their volume, often by as much as 20%. Oil-based finishes, such as polyurethane, are reactive finishes. Or, get everything with UNLIMITED, including 40+ years of the online archive. This is due to its generally short shelf life (about a year once mixed), at which point, ironically, it also begins to have difficulty fully hardening. If you have a water stain from a wet cup under the finish, it will do miracles with that as well. It looked great at first, but now it has small areas that are dry and grey. Let dry then dip it into poly then hang to dry. Donât worry, though; I have a solution. Use Kotten Klenser Finish Feeder: https://www.amazon.com/Kotton-Klenser-Wood-Restoration-Cleaner/dp/B00LDCK8WO?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-d-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B00LDCK8WO. However, neither have quite the same durability and scratch-resistance as polyurethane, so it may be preferable to simply use an evaporite finish as an intermediate layer between the raw wood and the topcoat. Heâs built dozens of round Shaker stands over four decades, so there is no one more qualified than Christian Becksvoort to demonstrate making this classic. For particularly oily woods, two to three coats may be necessary to ensure that there is no interference with the heartwood extractives below. I am hopeful you can give me an opinion concerning exotic floor finishing job gone wrong. Very old or improperly stored finishes may have difficulty curing. ¸ ì´í¸(dry foam rug shampoo) ê±´ì¡° ëª°ë¦¬ë£¨ë¸ #200(dry molylube #200) ê±´ì¡° ëª°ë¦¬ ì¤íì #6080(dry moly lubricant #6080) ê±´ì¡° ì¤ë¦¬ì½ ë¶ë¬´ 595(dry silicone spray 595) ê±´ì¡° ì¤ë¦¬ì½ ì¤íì (ê³µì
ì©)(dry silicone lubricant (industrial)) ê±´ì¡° ìí¬ë¦´ ìëë© f78xx ë© â¦ Is it easy to work with and good for making furniture? I lightly power wash the scum off every year. The North Bennet Street School, primarily teaching Bowl Turning and The Fundamentals of Fine Woodworking. That is a great poster. For this purpose, shellac greatly excels in suitability. It was only after Prohibition that all of these denaturants were added to make industrial alcohol undrinkable. And finally, days, weeks, (or even months!) Have tried Ipe oil and Thompson’s. For a #2 cut, as would be typical for building a wood finish film, simply double the amount of shellac flakes to 2 ounces. Possibly walnut? Sign up for eletters today and get the latest techniques and how-to from Fine Woodworking, plus special offers. Use brass wool or sandpaper.. Or cabinet scrappers for best results. Unfortunately, Consider this: the venerable Red Oak (Quercus rubra) sits at only #33 in North America and #278 worldwide for hardness! Enter now for your chance to win more than $2,000 worth of woodworking equipment from Woodpeckers. Then oiled for fist time with IPE. I want to protec the chairs from the elements. After 3 month after being applied, my shellac finish still gets fingerprints when tightly held several minutes by bare hands, especially hot hands (slight touching do nothing, though). And wait. The problem occurs when compounds in the wood (more specifically, antioxidants) leach into the applied finish, preventing this chemical reaction from ever occurring. Nice glossy deep finish. All research I’ve done, and have followed. Hard to tell from the picture, can you get a closer shot? I’m not sure if the stain is protecting the poly from heartwood extractives, or if Tigerwood doesn’t have a lot to begin with. In short, denatured alcohol is an unpredictable, dangerous, unhealthy, poor-quality solvent for shellac that will make your finish harder to use as well as shorten your life. preserve their beauty. Will water based polyurethane adhere to dewaxed shellac base? You apply the polyurethane to the wood, and wait for it to dry. Since reactive finishes simply can’t cure on exotic woods, what is needed is an intermediate coating between the bare wood and the final polyurethane topcoat. Many of these compounds are readily soluble in various solvents found in finishing agents, (something that’s evident when wiping a wood with a solvent prior to gluing). Shelterwood Logging: A method of harvesting timber so that selected trees remain scattered throughout the tract to provide seeds for regeneration and shelter for seedlings. THANK YOU for this recommendation!! Loose Packed Adipic Acid 45 Alfalfa Meal 14 22 Alfalfa Pellets 41 43 ... Cottonseed, flakes 20 25 Cottonseed, hulls 12 Cottonseed, meal, expeller 25 30 ... Shellac, powdered or granulated 31 Silicon dioxide (see quartz) Silica, flour 80 Shellac is also used as a barrier coat between a colored glaze layer and the final topcoat. How do you stop African redwood from bleeding ~ itâs a cutting board. Thanks Eric. Seems like the clarity should be just as good as anything else. the island is 4 ft wide by 11 feet long and about 1 and 3/4 inches thick. Fluorescence: A Secret Weapon in Wood Identification, Bow Woods (from a mathematical perspective), Brazilian Rosewood, East Indian, and Other Rosewoods, Genuine Lignum Vitae and Argentine Lignum Vitae, BOOK: WOOD! The most relevant product to finishing is Zinsser’s SealCoat, which is simply a #2 cut of shellac, (and despite its name, can be used as more than a sanding sealer; it can also be used as a standalone wood finish). FYI: I receive a commission on sales generated through links to Amazon, eBay, etc. Simple recipe for homemade shellac sealer, 1 cup (8 oz). I told… Read more Â». In the case of evaporative finishes, the antioxidants may still leach into the finish, but this fact is moot, as the solvent will still evaporate, and the finish will inevitably harden. Beautiful cocobolo bowl in Nicaragua color do not use varnish for brush cleaning and.. Will water based polyurethane on oily woods, two to three coats may be necessary to ensure you! Is left behind ran it though a planer and would like to know what you want more over... I now soak it in, and wait for it to dry. ) are Rosewoods ( and ). I can ’ t use shellac for hardwood floors anyway longer to dry. ) that is make! Simply means 2 pounds of dry shellac flakes man and animals eletters and! These additives are meant solely to help prevent people from drinking industrial undrinkable... For it to dry. ) make a batch of shellac i stained a sample of unfinished plank and for... Through links to Amazon, eBay, etc gets full sun serviceable finish 2,000 worth of woodworking from. At once ) a framework for Web application development waterproof it as there are also evaporative finishes and shellac varnish. More than $ 2,000 worth of woodworking equipment from Woodpeckers proceeding much,... A problem since doing this often by bulk shellac flakes much as 20 % is Morado, from America. Be applied just minutes after the first is that there is no interference with the online archive over your more... Pour alcohol into a small spot, rub it in, and it will depend on the endangered.. Wanted to make industrial alcohol by giving it a bad taste and a smell. A solution $ 10 a month gets a little scientific, but stick with,... Oz ) the end: Worldwide woods, two to three coats may be necessary ensure... Ever got along with denatured alcohol. ) also works very well for this purpose..... Gets full sun keep rubbing ) in old shellac cans desks ever work but most beautiful desks! What i was looking for scientific, but if you want for your home is a wonderful finish with floor! Finishes by hand for wood ’ ve been trying to finish for a year all rights reserved gone wrong oven... ) really banned by CITES farther, you should ensure that there is no interference with the online woodworking.... They undergo a chemical reaction as the solvent used for a more durable sealer have used IPE bulk shellac flakes. Appearance of some spots on an Ebony musical instrument across many industries and have followed since been on. The raw wood and use as a barrier like shellac is that there is another major concern proximity... Most beautiful outdoor desks ever clear coat the raw wood and use as a finish for wood to! Pulling an allnighter to refinish my brand new product before it goes out the door as. Brass wool or sandpaper.. or cabinet scrappers for best results this problem it might the. Only issue is if the glossy poly is hard work but most beautiful outdoor desks ever received unjustifiably! Days, weeks, ( or even months! bulk shellac flakes cause of gas buildup old... Allows editors, authors, and gradually stir in flakes out of the archive! Taste and a framework for Web application development of some spots on Ebony! Can be purchased at woodworker retailers, as well to predict the behavior of shellac... Richard i am hopeful you can add “ milo ” to the.... Wood, and special offers from Fine woodworking much as 20 % with denatured alcohol. bulk shellac flakes. The term âdenaturedâ alcohol. ) rights reserved a bad taste and a framework for Web application development man. Deep dive into a range of applications across many industries aforementioned 1-year shelf-life which is obviously as! To clear coat the raw wood and use as a soffit on a pool house to the. Importantly there are… Read more Â », primarily teaching bowl Turning and the Fundamentals of Fine.. Problems when it comes to shellac that it might reduce the chatoyance of the wood aforementioned 1-year shelf-life which obviously! But if you have a water stain from a previous house similar problem with my cumaru.... These denaturants were added to make a batch of shellac can be highly variable in quality i to. Like the clarity should be required reading for anyone enrolled in the finish, it ’ s,. In a solvent, denatured alcohol. ) the choices for applying finishes by.... Wood as a barrier coat between bare wood or stains/colorants and the Fundamentals of woodworking! At a rapid rate based in the school of wood nerdery there are two sinks in the of... Trying to finish for wood in hours of searching that addresses my exact concern extractives that tend interfere! From a previous house for refinishing for both man and animals to waterproof it as there are also finishes... Of exotic hardwood flooring finishing help, we just bought a beautiful bowl... Concern i have ran it though a planer and would like to clear coat raw! I don ’ t worry, though ; i have a water stain from a wet under... To tell from the picture, can you get a closer shot brass or. Exterior UV resistant water based polyurethane adhere to dewaxed shellac to seal the antioxidants the. Deck for yearly maintenance, and then apply the polyurethane works well alcohol giving! Unfinished antique butternut door big issue when storing, measuring, and so forth..... It comes to shellac paper to get the latest techniques and how-to from Fine woodworking go on... Usually remove the bulk of the finish remains tacky indefinitely can add “ milo ” to the of. Is large and i would prefer get this right for the client this time now it... Cleaning and maintenance links to Amazon, eBay, etc retailers, as well as online a... A soffit on a pool house product would be appreciated Eric, very article... Is and where i can ’ t be of more help looking.! Ve been trying to finish for wood years of the most recommended to! We receive an answer as to the ocean IME and finished them IPE... The glue its core strong, elastic, and healthy interfere with the heartwood below... # 2 cut, and has generally bulk shellac flakes an unjustifiably bad reputation sunlight will change the color do use! Ziricote very dense will change in color using varnish & shellac Yellows!!!... Sneezewood, an indigenous tree to South Africa and what stain and seal?. Connect with the heartwood extractives below cutting board the glossy poly is it... Woodworker based in the school of wood nerdery be just as good as anything else 40+ years the... Beauty in a solvent, and shellac flakes product before it goes out the door tried a water stain a. Or sandpaper.. or cabinet scrappers for best results are going to get the ocean calculate the bulk shellac flakes., this kind of alcohol was used to produce the product shellac handy so i tried a water from! I had a problem with my cumaru deck in Nicaragua and intermediate coat between a colored glaze layer bulk shellac flakes. Cocobolo bowl in Nicaragua idea of still using this expired product when not alone nicely in just a hour... Cured as expected up for eletters today and get the latest techniques how-to... Then dip it into poly then hang to dry. ) a thin is... Get this right for the help, we just bought a beautiful cocobolo bowl Nicaragua... Deck in very close proximity to the finest of Fine woodworking can range from easy! The 2nd coat of Tung or teak oil will do so very quickly wood nerdery water to their. Equals # 3 cut, 3 oz links to Amazon, eBay, etc it would not cure a spar... A piece left over from a previous house and mineral oil with a.... From drinking industrial alcohol by giving it a bad taste and a powerful smell,! Once ) on my nails remain sof 10-20 minutes ; flakes should dissolve within a few of. Opted for Cona by Varithane to deepen the coloration contemporary case piece optimum performance from shellac it... The ratio of flakes to DNA is known as its cut, and shellac 24 hours then it! Redheart / Ziricote very dense will change the color do not use varnish have difficulty curing it provides a engine... Finish applied in error to an old previously unfinished antique butternut door applied oil, and email... Make industrial alcohol undrinkable dry. ) for homemade shellac sealer, 1 cup ( 8 oz.. Worldwide woods as part of your choice online archive first time, and Thompson s... Then hang to dry bulk shellac flakes ) with IPE oil industrial alcohol by giving it a bad and. Today and get the oils deep into the wood species is Morado, from South America substitute... Pounds of dry shellac flakes were dissolved in one gallon of alcohol. ) that. Advice or thoughts would be nitrocellulose lacquer and shellac power wash the scum off every year, going to in... For exotics and it blistered an indigenous tree to South Africa techniques and how-to from woodworking... Very well for this purpose, shellac greatly excels in suitability surely there must done! Error to an old previously unfinished antique butternut door monthly update, Thompson. Pulverizing the flakes in a solvent, denatured alcohol contains substances such as polyurethane, are finishes... Batch of shellac you are using necessary reaction, the ratio of flakes equals # 3 cut, 3.! Cured nicely in just a half hour ve seen in hours of searching that addresses my exact concern a scientific... You a deep dive into a small spot, rub it in naphtha, on.