4.7 out of 5 stars 106. Dewaxed shellac is especially useful for two purposes:1) Water based finishes will raise the wood grain, which you can avoid entirely by first sealing the surface the the dewaxed shellac. I could be confused here, on what is dewaxed and what is not. Not sure how that translates into a poun cuts. 56 posts in 2985 days. Larry Martin. Waxy Shellac: Wax content provides some flexibility & moisture resistance. mosers high quality shellac flakes sanding sealer wood stain . More importantly, dewaxed shellac is a perfect sealer, tie coat and barrier coat both under and over any other finish. Simple enough, but not a moisture resistant furniture finish.email: thomstevens33@gmail.com Welcome! Some folks like spraying a 2lb cut. Then apply the shellac. Tagged: Steel-wool steelwool "steel wool" wax Briwax renaissance finishing. Shellac is a good sealer to slow down water vapor exchange. If you are talking about the regular, Zinsser Bullseye shellac, it is a 3lb cut in the can, so diluting 50/50 with denatured alcohol will give a 1.5lb cut, which is good to spray. Can I use it over water based polyacrylic? You will instantly notice that the dewaxed is clear while the other is quite cloudy. One said that everything he had ever read on the subject said to only use dewaxed. $6.69 $ 6. Is it a dye? At that time is was used as a finish for interior trim and floors primarily due to its fast-drying capabilities. This is unique among wood finishing materials. I've mostly used shellac as a sealer, so I've only used dewaxed. I bet you’ve seen the warnings on polyurethane varnish cans like “Do not apply over shellac.” That’s because shellac often contains wax, which makes it incompatible with other finishes. Get it as soon as Fri, Feb 19. If you want just a shellac finish only then it will be fine - but if you want to apply WB or solvent base coatings over it - no! BarryO October 27, 2010 5:52 pm Wow Marc, I thought you had a technical/scientific background. It wasn’t until the first half of the 20th century that homebuilders actually began to use shellac as a finishing product. In the 1920s shellac was replaced in factories by lacquer for two primary reasons: shellac resin (from bug secretions) is a commodity product that was going up in price as demand increased, while lacquer was going down in price; and lacquer thinner (a blend of solvents) makes lacquer much mor… You can't go wrong with this product. I’m talking deep, rich colours. Reply. The spray format is perfect for crafts and small projects. Since it's a brittle finish, you want to avoid building it up too thickly. If there had been any problems, I know I would have been the first to be informed! home | projects | blog. Woodworker's Journal Adirondack Lawn Chair Plan - Reprint, Woodworker's Journal 25 Jigs and Fixtures, CD, The Way to Woodwork — Mastering the Table Saw, DVD, Civil War Officer's Chair Downloadable Plan, Ultimate Miter Saw Stand - Downloadable Plan, Woodworker's Journal September/October 2014, Solid and Plywood Cherry Darkening at Different Rates, Woodworking | Blog | Videos | Plans | How To, Order Woodworking Plans, DVDs and Supplies. As to application you will always get better results with spray than brushing, invest in a small spray outfit or rent one - good luck. Walnut preparation for an oil, shellac, wax finish. 99. Dark woods like mahogany really flourish. Waxed vs. dewaxed shellac. FREE Shipping by Amazon. Switch to Zinnsers de-waxed sealcoat which can be safely used for that purpose. If the alcohol in the shellac is dissolving the stain (dye? This topic has 12 replies, 7 voices, and was last updated 4 years, 7 months ago by lowpolyjoe. I have been using amber Bullseye under NC lacquer for years with no ill effects when refinishing older furniture with an NC finish. Bullseye shellac does contain wax. cherry, birch, maple, and pine. Participant. The dewaxed variety is special order in my area, only "waxy" or shellac without the wax removed is available. What are the advantages of dewaxed shellac over shellac with the wax still in it? August 25, 2008, KnowledgeBase: Finishing: General Wood Finishing. Dec 17, 2020 Sep 10, 2019 by David Wallace. For about a hundred years, from the 1820s to the 1920s, shellac was the primary finish used (for all coats) by all small shops and factories. There were many books and web writings by noteworthy authors cited. Waxed vs Dewaxed Shellac Shellac comes in two forms, waxed and dewaxed. Forum topic by ol104: posted 01-22-2015 05:12 PM: 6134 views: 0 times favorited: 14 replies: ol104. 4.6 out of 5 stars 24,889. Waxed shellac is just natural shellac; the wax is already part of it. An when would you want a waxed shellac verses a dewaxed shellac? Also, I don't have a sprayer. 24 March 2016 at 7:31 am #135910. I really like the look of it but need advice on the finishing schedule. Only 16 left in stock - order soon. Bullseye shellac does contain wax. As indicated in the technical data bulletin (see link below), they do not recommend applying oil-base polyurethane over it. I know wax is a problem with adhesion for polyurethane, but I have never heard of the wax in shellac being a problem for any other solvent finishes. It will make each coat thinner and it can take an extra coat or two to build up an equivalent film thickness. That leads to cracking and crazing as it ages. The advantage to dewaxed shellac is that it's a bit harder, plus you can apply other products on top of it (like poly or varnish or whatnot) without problem. The thicker you apply the shellac, the more color it will impart to the wood. Most all finishes adheare to it and it adheares at most all finishes. I tested that and it looks great but not sure if it's compatible. Shellac naturally contains 3–5 percent wax and, when used as a stand-alone finish, this will not cause bonding issues between successive coats. Question All will react differently with shellac (waxed or dewaxed). I was under the impression that seal coat (which specifically indicates wax free) had the wax removed, and the "traditional" shellac still had the wax in it. Removing the wax seems to make it flow on a bit less smoothly and not quite buff out as well. › Forums › General Woodworking Discussions › Finishing › Finishing with Wax over Shellac. From contributor C: Zinnsers bullseye shellac is orange shellac that contains around 6 % wax - it is not intended to be used with WB or solvent base coatings. I usually spray precatalysed lacquer and was going to use that Zinsser Bullseye shellac. ), lifting it into the finish or smearing it, you can seal it in place using a thin application of an oil-base varnish or a drying oil like linseed or tung. When I go directly with shellac over the stain I'm getting some uneven coloring so I thought it would be good to seal first, then shellac. Best Seller in Household Bristle Paint Brushes. I'm wondering though, what happens to the wax that's in waxy shellac when the shellac dries? Or, if you're really worried that some wax will interfere, buy Sealcoat and tint with powdered alcohol solvent dye to get the right tone. The thinner you apply shellac, the less likely it will be to crack/craze as it ages. Report abuse . Answer: Dewaxed shellac has the advantage of being able to be used under all top coats. Use a DEWAXED Shellac for a universal sealer / primer and as a transitional coating between dissimilar finishes. Wesley. Reply. Verified Purchase. De-Waxed Blonde Shellac Flakes 1 lb. Easy to repair vs… To address that problem, Zinsser created SealCoat, a dewaxed shellac, meaning it has the wax removed. How much will that detract from the color? How are you applying the shellac now? If you're using an oil or water-base stain, and not a dye, re-post with the type and brand of stain you are using. Thinning the shellac before application won't affect the color. I'm finishing some birch cabinets and have been testing how Amber Shellac works. Shellac with wax in it is not, as it is incompatible under many waterbased and oil-based polyurethanes. For years I regarded shellac as "old school", but now I use it as an integral part of my finishing, and give myself a mental kick for not working though its (few) limitations sooner. But, when using it as a primer or sealer under another finish, choose dewaxed shellac to eliminate compatibility issues [Photo D]. Both amber and clear Bulls Eye shellac have a natural waxy substance that interferes with the adhesion of oil-based polyurethane and water-based finishes. I'm using the Zinnser bullseye stuff which is not de-waxed as far as I know. I sometimes use it under water-based finishes when I need that "look" that only amber shellac can give. Any advice on thinning it so it doesn't dry so fast? 'Waxy' shellacs are a good choice when the finish will be shellac only. (16oz.) About Bulls Eye® Shellac Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. Posts. Although shellac is a great barrier between coats, that rule goes away if the shellac becomes part of one of the coats. More importantly, dewaxed shellac is a perfect sealer, tie coat and barrier coat both under and over any other finish. Use a Dewaxed Shellac when the topcoat, for extra water & alcohol resistance, will be a varnish, lacquer or urethane. Viewing 13 posts - 1 through 13 (of 13 total) Author. Dewaxed also give you a clearer finish. Helpful. (Finishing Forum) 5.0 out of 5 stars I would recommend it to a friend. That’s why you see SealCoat advertised as a “Universal Sanding Sealer” on the can. Speed the shellac dissolving process with warm indirect heat, like from a … Before – curly maple … When French Polishing with dewaxed shellac, use mineral oil as a lubricant. The finish we see on shellacked woodwork in older homes is dark. Waxy Shellac: Wax content provides some flexibility & moisture resistance. Use Dewaxed Shellac when the topcoat, for extra water & alcohol resistance, will be a varnish, lacquer or urethane. I know most of this is far beyond drawer sides, but as a general rule for fine work, wax is the final touch for evey day wear and tear. Resistance, will be a varnish, lacquer or urethane and let dry! Under water-based finishes when i need that `` look '' that only amber shellac on several,. 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