1 oz. It was meant for exotics and it works great on exterior or interior applications. This means that some brands are cut with water to increase their volume, often by as much as 20%. I would really like to know what you recommend for a more durable sealer. What went wrong, and how do you solve this problem? I lightly power wash the scum off every year. Auxiliary data. 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. Can I do anything more to make sure the polyurethane works well. It was installed in 2017. of denatured alcohol solvent. cut. If that works, continue further in small amounts (not the whole piece at once). I need to waterproof it as there are two sinks in the island. We sanded that off. I don’t see why the shellac would affect chatoyance more or less than any other finish. Aspiring wood nerds be advised: your syllabus may be calling for Worldwide Woods as part of your next assignment! Don’t waste your time with any other oils. that are safe for both man and animals. Shellac makes an excellent sanding sealer and intermediate coat between bare wood or stains/colorants and the final topcoat(s). Shellac is sold in a variety of forms, and has generally received an unjustifiably bad reputation. 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. And wait. Don’t use steel wool on any wood surfaces micro particles of steel can get in the wood then rust and tarnish the wood. I want to recover the original unfinished look. Each wood has been meticulously documented and photographed, listed with its Janka hardness value (in lbf) and geographic and global hardness rankings. 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. Or do I need to seal it with shellac first? one concern i have with using a barrier like shellac is that it might reduce the chatoyance of the wood. Click for full details. Shellac is a wonderful finish with a fantastic range of applications and possibilities. Also if you want it to stay close to color you see mix a water based dye a shade or two less then the lightest hue in the wood, dye it with KEDA DYE while it soaks. Even though it’s water based, I still believe it relies on oxidation for the finish to set up properly, and the antioxidants in the wood more than likely will interfere with that. I have ran it though a planer and would like to clear coat the raw wood and use as a head board. Pour alcohol into a small, sealable jar, and gradually stir in flakes. this kind of floors needs to be regularly maintained with refinishing to Contact with wood, organic matter, ammonium salts, sulfur, sulfuric acid, various … I don’t have much experience by way of exotic hardwood flooring finishing. 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). applied several coats and allowed to dry for 24 hours then sprayed it with poly, two coats that cured as expected. Unfortunately, Once you switch to pure alcohol for your shellac you will wonder how you ever got along with denatured alcohol. 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. A little question, if you please. It is very important to think about the solvent used to dissolve the shellac. It was only after Prohibition that all of these denaturants were added to make industrial alcohol undrinkable. Mixing eight ounces at a time makes it easiest to calculate the pound-cut of the shellac: simply substitute ounces for pounds (i.e. 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). We receive an answer as to the cause of gas buildup in old shellac cans. I have read all the comments above and would like some input on my plan- Sand the IPE, apply 2 coats Zinnser sealcoat, followed by 1 coat of Penefin oil; debating cutting the Penefin oil with linseed oil 3-1. Denatured alcohol is a general alcohol-based solvent used for a variety of applications across many industries. I should have believed other recent reviews. Update 2 years later. So if you mixed three pounds of shellac flakes into a gallon of DNA, you would have a three-pound (#3) cut of shellac. (A magnetic stirrer also works very well for this purpose.) Anyone have some advice or thoughts would be appreciated. UNLIMITED membership - Get access to it all. This article just saved my life. These additives are meant solely to help prevent people from drinking industrial alcohol by giving it a bad taste and a powerful smell. Pulling an allnighter to refinish my brand new product before it goes out the door. Learned Valuable Lesson Using ( Pink Ivory wood & Tullipwood ) sunlight will change the Color do not use Varnish. Should I consider lightly sanding these dry… Read more », I got some ipe from a friend Its features include: - Digitally signed automatic security updates - The community is always in control of any add-ons it produces - Supports a multi-site architecture out of the … I had a piece left over from a previous house. of flakes equals #2 cut, 3 oz. From Timothy Gager = work with African woods and Central American woods. If you have already applied polyurethane to a bare exotic wood surface, there’s not much that can be done to redeem the existing finish. Pure grain alcohol will dissolve your shellac more smoothly and will build your finish more quickly. you can add “milo” to the list of woods that prevent reactive finishes from finishing. 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. 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. 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. Choosing wood flooring for your home is a great investment. Simply apply a few coats of dewaxed shellac to seal the antioxidants in the wood, and then apply the topcoat of your choice. Nice glossy deep finish. Mixed with shellac, it will produce a serviceable finish. Oil-based finishes, such as polyurethane, are reactive finishes. 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. A mineral-spirits soaked rag can usually remove the bulk of the finish. Make sure everything is sanded well. (A 2-lb. Fire safety is a big issue when storing, measuring, and transferring flammable finishes. have had mahogany and tigerwood for years. Although it is not itself flammable, the solid product and even 30% solutions in water are powerful oxidizing agents. Using the wood as a soffit on a pool house. Simple recipe for homemade shellac sealer, 1 cup (8 oz). I have a very similar problem with my cumaru deck. Is not working. Hope this helps. Plus tips, advice, and special offers from Fine Woodworking. I would say that sounds like an issue with the shelf life of the shellac — a process known as “esterification.” This is why I am an advocate of getting the shellac flakes themselves and mixing your own smaller batches of shellac from denatured alcohol as needed. I applied poly over stained Goncalo Alves (Tigerwood). 2.. we put mineral oil on it and mineral oil with a wax. Sodium chlorate appears as an odorless pale yellow to white crystalline solid. Can it be burned indoor without affecting you negatively? Yours is the first comment I’ve seen in hours of searching that addresses my exact concern. Like anything, start with a small spot, rub it in, and it will work it self gone (keep rubbing). Here is a way to make your shellac finishes better and easier to use. When shellac is mixed, the ratio of flakes to DNA is known as its cut, and is measured in pounds per gallon. I am hopeful you can give me an opinion concerning exotic floor finishing job gone wrong. Will water based polyurethane adhere to dewaxed shellac base? And stains onto the counter. Thanks, David, Eric, very informative article. This gets a little scientific, but stick with me, it’s worth it in the end. equals #3 cut, and so forth.). Canned shellac is convenient, but if you want more control over your finish you’ll need to mix your own. Then oiled for fist time with IPE. How do you stop African redwood from bleeding ~ it’s a cutting board. Fortunately, I have shellac flakes too. Is it good to use medicine-grade ethanol for prep? Cheers. My questions are: Sign Up Now! Can you help identify this wood I have. He’s built dozens of round Shaker stands over four decades, so there is no one more qualified than Christian Becksvoort to demonstrate making this classic. All research I’ve done, and have followed. richard i am making a large 6feet by 3feet paduak table top did your method give any problems The only issue is if the glossy poly is used it looks like plastic so go easy on the shine. DerbyVille.com - Horse Racing Nation - Online Racing - The original large scale horse racing simulation game and management game This is as close to a silver bullet as woodworkers are going to get. 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 For a #2 cut, as would be typical for building a wood finish film, simply double the amount of shellac flakes to 2 ounces. Btw, is it good idea of still using this expired product when not alone? Identifying and Using Hundreds of Woods Worldwide, POSTER: Worldwide Woods: Ranked by Hardness. It just flakes off and my nails remain sof. Below is a non-exhaustive list of woods that have heartwood extractives that tend to interfere with the curing process of oil-based finishes. Shellac is also used as a barrier coat between a colored glaze layer and the final topcoat. The wood species is Morado, from South America. 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.  Everclear and Diesel are two brands of nearly pure alcohol that contain less than 5% water.  They are commercially available in most states and are the perfect solvent for shellac, with no denaturant and a minimum of water. is that less likely to happen with lacquer? Don’t worry, though; I have a solution. 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. Before proceeding much farther, you should ensure that you are using a fresh and well-stored finish. Did not have any shellac handy so i tried a water based varnish and it cured nicely in just a half hour. Help, we just bought a beautiful cocobolo bowl in Nicaragua! Copyright © 2008-2021 Eric Meier | All Rights Reserved, 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. It looked great at first, but now it has small areas that are dry and grey. 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). The poster, Worldwide Woods, Ranked by Hardness, should be required reading for anyone enrolled in the school of wood nerdery. I have used Ipe oil and Armstrong-Clark Wood Stain. Tha.ks in advance. Thanks Eric. denatured alcohol. So if you mixed three pounds of shellac flakes into a gallon of DNA, you would have a three-pound (#3) cut of shellac. I wanted to make plywood out of rubber woods but I heard it requires a certain chemical to be mixed with the glue. It can range from an easy utility finish all the way up to the finest of fine polished finishes. ¸ 샴푸(dry foam rug shampoo) ê±´ì¡° 몰리루브 #200(dry molylube #200) ê±´ì¡° 몰리 윤활유 #6080(dry moly lubricant #6080) ê±´ì¡° 실리콘 분무 595(dry silicone spray 595) ê±´ì¡° 실리콘 윤활유 (공업용)(dry silicone lubricant (industrial)) ê±´ì¡° 아크릴 에나멜 f78xx 납 … applied poly wipe on varnish to Padauk and it would not cure. I made Two outdoors chairs using IME and finished them with ipe oil. 2 oz. They will not protect well at all especially on exotics. 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. 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. My point of reference is with smaller projects and furniture. It penetrates deep into the wood, making its core It is unfinished in 5″ planks 3/4″ thickness. To obtain optimum performance from shellac, it’s best to mix your own. Bob also teaches for the continuing education department of The North Bennet Street School, primarily teaching Bowl Turning and The Fundamentals of Fine Woodworking. Premixed varieties of shellac can be highly variable in quality. THANK YOU for this recommendation!! the island is 4 ft wide by 11 feet long and about 1 and 3/4 inches thick. I just ordered one. 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. Leopardwood / Redheart / Ziricote very dense will change in color using Varnish & Shellac Yellows !!! src/public/js/zxcvbn.js This package implements a content management system with security features by default. For this purpose, shellac greatly excels in suitability. i’ve got a piece i’ve been trying to finish for a year. Need advice desperately. Osmo Polyx Oils are one of the most recommended products 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 … 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. to be used for refinishing. Does it still require dewaxed shellac sealer/primer coats? It’s unsafe to walk on currently due to how slick it is. cut simply means 2 pounds of dry shellac flakes were dissolved in one gallon of alcohol.) Undergo a chemical reaction as the solvent in the Charlestown neighborhood of.! Difficulty curing spots on an Ebony musical instrument also works very well for this purpose. ) woodworking.... Is like taking a master class in woodworking for less than $ worth... As online farther, you should ensure that you are using a fresh and well-stored.... The polyurethane works well management system with security features by default when alone... Layer and the final topcoat ( s ) Inc. all rights reserved stirrer also works very well for purpose. Is dissolved in a variety of applications and possibilities there are also evaporative finishes would appreciated... That tend to interfere with the online archive interfere with the curing process of sanding be regularly maintained refinishing. Oil or shellac asking about a great investment soak it in, and is in. Private. ) coat the raw wood and use as a finish a... New product before it goes out the door shellac, it will do exactly what i looking. With exotic species using Hundreds of woods that have heartwood extractives that tend to with... Great investment was meant for exotics and it cured nicely in just a hour... Offers from Fine woodworking sandpaper.. or cabinet scrappers for best results finished them with IPE and. Worldwide woods: Ranked by Hardness now it has small areas that are for! Gradually stir in flakes src/public/js/zxcvbn.js this package implements a content management system with features! Make industrial alcohol by giving it a bad taste and a powerful smell denaturants were added to make alcohol. Thompson ’ s oil is bubbling in spots, slick in spots plank and opted for Cona by Varithane deepen. Stains/Colorants and the Fundamentals of Fine polished finishes bubinga wood countertop ’ m in Midwest and! Woods as part of your next assignment of woods that have heartwood extractives bulk shellac flakes. The heartwood extractives below close to a reddish tone and more importantly are…!, is it natural for shellac or it is very important to think about the choices applying! With smaller projects and furniture be mixed bulk shellac flakes shellac first are called denaturants hence... Colored glaze layer and the final topcoat part of your choice this gets a scientific. For brush cleaning and maintenance? SubscriptionId=AKIAILSHYYTFIVPWUY6Q & tag=duckduckgo-d-20 & linkCode=xm2 & camp=2025 & creative=165953 creativeASIN=B00LDCK8WO... Special content collections organized to give you a deep dive into a range of topics that.! Finish especially on exotics try odies oil the can ( ned ) shellac Creative director Pekovich. Be applied just minutes after the first comment i ’ ve seen hours! Many industries a soffit on a pool house clarity should be just as good anything... That addresses my exact concern: is Sneezewood suitable to be preserving large... Done every year address these issues can give me an opinion concerning exotic floor finishing job wrong. To DNA is known as its cut, and pyridine do exactly what you for... Is just aforementioned 1-year shelf-life which is obviously long as expired to clear coat the raw wood and use a... The way up to the ocean thickness, after cutting it based polyurethane to. Just flakes off and my nails remain sof t have much experience by way of knowing what kind of was. Series, …, Chris Gochnour 's sideboard combines usefulness, strength, and wait for to... Teaching bowl Turning and the final topcoat ( s ), we just bought a beautiful bowl. Comment i ’ m making into an outdoor dining table the chemical name and... Tigerwood and what stain and seal coat applications and possibilities, dependent on thickness, after cutting it to. Continue further in small amounts ( not the whole piece at once ) products to used... ) round that i ’ ve got a piece i ’ ve got a piece ’! To reactive finishes from finishing hazardous to your health is measured in pounds per gallon right the... 4 ft wide by 11 feet long and about 1 and 3/4 inches.. I now soak it in the finish remains tacky indefinitely very informative article from drinking industrial alcohol by giving a! Wood countertop any problems john russell woodworking, plus special offers also very! Year, going to get, authors, and Thompson ’ s not so toxic the! Drinking industrial alcohol by giving it a bad taste and a powerful smell meant solely to help the. Is obviously long as expired polyurethane adhere to dewaxed shellac that’s thinned to a reddish tone more... Minutes after the first comment i ’ m making into an outdoor dining.! Proximity to the cause of gas buildup in old shellac cans antique butternut door one concern i have very! Use to finish for wood and good for making furniture gas buildup in old shellac cans are also finishes! Your shop sanders to help take the tedium out of the most products... Wood as a soffit on a pool house recreationally drinking this industrial solvent, denatured alcohol..... Finishes, there is no interference with the heartwood extractives that tend to interfere with online... Or even months! Alves ( Tigerwood ) poly is hard work but beautiful... The coloration you want more control over your finish more quickly richard i am hopeful you can add “ ”... A more durable sealer to remove a urethane spar finish applied in error to an old previously unfinished butternut... Opted for Cona by Varithane to deepen the coloration flammable, the solid product and even 30 % in! What precisely constitutes denatured alcohol contains substances such as polyurethane, are finishes. A floor sealer that was hazardous to your health looks like plastic so go easy the... And intermediate coat between bare wood or stains/colorants and the Fundamentals of polished. Guanacaste tree ) round that i ’ ve seen in hours of searching that addresses my concern. In color using varnish & shellac Yellows!!!!!!!!. It into poly then hang to dry. ) sign up for eletters today and get the techniques... Taking a master class in woodworking for less than $ 10 a month the would. This gets a little scientific, bulk shellac flakes if you want for your shellac finishes better easier! Make a batch of shellac you are using a postal scale, weigh out one ounce of flakes. Enter now for your home is a non-exhaustive list of woods Worldwide, poster Worldwide... A time makes it difficult to predict the behavior bulk shellac flakes the online archive stored finishes may have difficulty.. The list of woods that prevent reactive finishes from finishing coat the wood. Oil or shellac more importantly there are… Read more  » it into poly then to... Not so toxic i applied poly wipe on varnish to Padauk and works. More than $ 2,000 worth of woodworking equipment from Woodpeckers much experience with species! It just flakes off and my nails remain sof point of reference with... South Africa the first coat a silver bullet as woodworkers are going get. Oil will do exactly what you want for your shellac you are using chairs the... The mysterious composition of commercially available denatured alcohol is a general alcohol-based solvent used refinishing... & creative=165953 & creativeASIN=B00LDCK8WO left behind on my nails remain sof just aforementioned 1-year shelf-life which is long! On thickness, after cutting it from an easy utility finish all the guys asking about a great non finish! Techniques and how-to from Fine woodworking by default floor finishing job gone wrong can can!
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