But you can use regular (non-poly) varnish or solvent based lacquer over Bullseye shellac without any problem. As to application you will always get better results with spray than brushing, invest in a small spray outfit or rent one - good luck. It will make each coat thinner and it can take an extra coat or two to build up an equivalent film thickness. At that time is was used as a finish for interior trim and floors primarily due to its fast-drying capabilities. I could be confused here, on what is dewaxed and what is not. Finishing with Wax over Shellac. 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. ), 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. BarryO October 27, 2010 5:52 pm Wow Marc, I thought you had a technical/scientific background. What kind of stain are you using? You will instantly notice that the dewaxed is clear while the other is quite cloudy. If there had been any problems, I know I would have been the first to be informed! 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. Reply. Today in the shop, a debate was sparked concerning the use of regular (Bullseye or other brand) shellac versus dewaxed shellac as a first coat under other finishes. 'Waxy' shellacs are a good choice when the finish will be shellac only. cherry, birch, maple, and pine. This is unique among wood finishing materials. Easy to repair vs… 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. Question Thinning the shellac before application won't affect the color. Dewaxed also give you a clearer finish. Can I use it over water based polyacrylic? Waxed shellac vs dewaxed shellac « back to Finishing forum. When French Polishing with dewaxed shellac, use mineral oil as a lubricant. The closest we come to furniture finish is floor wax and shoe polish. The spray format is perfect for crafts and small projects. Is it a dye? Reviewed in the United States on August 29, 2014. Good waxes are Bri-wax, Johnson's paste, Min-wax finishing wax, Butcher's wax, Mother's calif. gold and bowling ally wax under many names. 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. Some coatings can't handle the natural wax in shellac. For example, you can stain the wood, let it dry, then wipe on a coat of linseed oil thinned 1:1 with mineral spirits of naphtha. 69. Shellac in its natural form has wax in it (about 4% content, IIRC). 4.6 out of 5 stars 24,889. Where might I find some pictures illustrating the use of winding sticks? Get it as soon as Fri, Feb 19. Wax-free shellac works for any application because it bonds to nearly everything and nearly everything bonds to it. Waxed shellac is just natural shellac; the wax is already part of it. je moser39sreg high quality shellac flakes excellent as a sealer coat quick drying superior adhesion and hardness. More importantly, dewaxed shellac is a perfect sealer, tie coat and barrier coat both under and over any other finish. Waxed vs. dewaxed shellac. Wipe off all the excess oil and let it dry for a day. 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! 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. Hey guys – i am finishing up 2 benches for a client. 01-22-2015 05:12 PM . Their "Sealcoat" and the aerosol (spray can) shellacs do not contain wax. Most all finishes adheare to it and it adheares at most all finishes. Waterborne finish manufacturers often include the same warning with their finishes - don't use them over shellac that contains wax. The finish we see on shellacked woodwork in older homes is dark. 24 March 2016 at 7:31 am #135910. Speed the shellac dissolving process with warm indirect heat, like from a … Tagged: Steel-wool steelwool "steel wool" wax Briwax renaissance finishing. Posts. It wasn’t until the first half of the 20th century that homebuilders actually began to use shellac as a finishing product. Use a DEWAXED Shellac for a universal sealer / primer and as a transitional coating between dissimilar finishes. I let it dry for 24 hours, scuff with 400 and apply two tack coats of WB before a wet coat. The problem I seem to be running into is that everything we made over the winter was put out this spring and, within months, the edges of the painted and varnished boards are peeling and splitting. I use shellac when it is going to be the final finish and dewaxed shellac when I’m using a poly finish over it. Wesley. Verified Purchase. j.e. Forum topic by ol104: posted 01-22-2015 05:12 PM: 6134 views: 0 times favorited: 14 replies: ol104. All will react differently with shellac (waxed or dewaxed). How are you applying the shellac now? Wax free shellac just what I needed for base coat over regular shellac , applied 2 coats then my 3 clear coats of EPIFANES high gloss varnish , came out really nice Read more. The thicker you apply the shellac, the more color it will impart to the wood. Bullseye shellac does contain wax. 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. 99. To address that problem, Zinsser created SealCoat, a dewaxed shellac, meaning it has the wax removed. She wanted to replace her kitchen chairs with farmhouse style benches that is the fad right now. Use a Dewaxed Shellac when the topcoat, for extra water & alcohol resistance, will be a varnish, lacquer or urethane. Hi, I have used a batch of amber shellac on several projects, mostly for french polishing. $30.99 $ 30. Some folks like spraying a 2lb cut. 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… Larry Martin. Therefore if you put dewaxed shellac over waxed shellac, it will burn in, and the single remaining coat will still have wax. How much will that detract from the color? Removing the wax seems to make it flow on a bit less smoothly and not quite buff out as well. * Both dewaxed, and waxy shellac can be used in French polishing; the waxy shellacs lend themselves naturally to the process because the wax is a lubricant. Answer: Dewaxed shellac has the advantage of being able to be used under all top coats. Should I put a clear topcoat over the shellac? 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 thinner you apply shellac, the less likely it will be to crack/craze as it ages. Shellac naturally contains 3–5 percent wax and, when used as a stand-alone finish, this will not cause bonding issues between successive coats. I really like the look of it but need advice on the finishing schedule. An when would you want a waxed shellac verses a dewaxed shellac? I've mostly used shellac as a sealer, so I've only used dewaxed. But, I'm thinking about trying non-dewaxed shellac for a project that will be finished with shellac only. Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Advice on which topcoats are compatible with amber wax-containing shellacs, and which require clear de-waxed shellac. › Forums › General Woodworking Discussions › Finishing › Finishing with Wax over Shellac. About Bulls Eye® Shellac Bring out the natural beauty of wood grain like no other finish can, with Rust-Oleum® Zinsser® Bulls Eye® Shellac. What are the advantages of dewaxed shellac over shellac with the wax still in it? I'm using the Zinnser bullseye stuff which is not de-waxed as far as I know. $6.69 $ 6. That leads to cracking and crazing as it ages. One said that everything he had ever read on the subject said to only use dewaxed. Simple enough, but not a moisture resistant furniture finish.email: email@example.com I'm wondering though, what happens to the wax that's in waxy shellac when the shellac dries? I usually spray precatalysed lacquer and was going to use that Zinsser Bullseye shellac. Not sure how that translates into a poun cuts. Shellac with wax in it is not, as it is incompatible under many waterbased and oil-based polyurethanes. Best Seller in Household Bristle Paint Brushes. Shellac is a good sealer to slow down water vapor exchange. 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. Question: What is the advantage or disadvantage of the waxed product vs. the non-waxed? There were many books and web writings by noteworthy authors cited. Of course, that kind of crap would ruin any finish, but for the sake of just seeing if using waxed vs dewaxed matters under a coat of poly. Waxed vs Dewaxed Shellac Shellac comes in two forms, waxed and dewaxed. (Finishing Forum) Waxy Shellac: Wax content provides some flexibility & moisture resistance. Also, advice on filtering or making your own. Participant. Since it's a brittle finish, you want to avoid building it up too thickly. 'Waxy' shellacs are a good choice when the finish will be shellac only. Walnut preparation for an oil, shellac, wax finish. Pro Grade - Paint Brushes - 5 Ea - Paint Brush Set. Waxy Shellac: Wax content provides some flexibility & moisture resistance. Any advice on thinning it so it doesn't dry so fast? I tested that and it looks great but not sure if it's compatible. Welcome! Report abuse . 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 wouldn't consider either shellac or dewaxed shellac to be water resistant. It’s a 300 grams : 1 liter cut. 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. j.e. Their "Sealcoat" and the aerosol (spray can) shellacs do not contain wax. Dewaxed shellac is the preferred seal/barrier coat between two otherwise incompatible coatings. Helpful. 5.0 out of 5 stars I would recommend it to a friend. I’m talking deep, rich colours. home | projects | blog. Forum Responses More importantly, dewaxed shellac is a perfect sealer, tie coat and barrier coat both under and over any other finish. 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. Michael Dresdner: Pour some dewaxed shellac into a glass jar and pour some shellac with the wax in another and look at them side by side. If you want to use a couple thin coats of the shellac to develop the warm color it imparts and then apply an oil-base varnish (not poly) over it for added durability, that will work fine. Try Oil for Popping the Grain and Giving Curly Maple an Aged Amber Color. 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. I have been using amber Bullseye under NC lacquer for years with no ill effects when refinishing older furniture with an NC finish. There is a time for both types, but my preference is to use dewaxed shellac because it is more versatile. I'm finishing some birch cabinets and have been testing how Amber Shellac works. But, when using it as a primer or sealer under another finish, choose dewaxed shellac to eliminate compatibility issues [Photo D]. 5 stars i would recommend it to a friend take an extra coat two... 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