Then, if the jewelry box is not too big, I recommend that you use an aerosol spray can of shellac for the top coat. I'd like to use a water-based polyurethane over a staircase I stained last night with a Sherwin Williams oil-based stain to avoid yellowing. (I'm not sure whether that wide compatibility also includes lacquer and catalysed finishes.) 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. Shellac will adhere firmly to such hard-to-stick-to surfaces as glossy paint, metals, ceramic tile, glass or plastics. Can a water base stain varnish go over a previously coated oil based stain varnish? I'd like to create a darker overtone. Bob Flexner's book "Understanding Wood Finishing" covers all this stuff in detail. I'd never use a water based product on furniture. ... "What finish is best for over the oil base Gel Stains? They are also great at covering knots and heavy stains. then a drying oil or an oil/varnish blend is a good choice. My only concern with this is that my table top is two feet of solid maple. Apply 2 to 3 coats of oil based varnish, sanding lightly between coats. Fully cures in about 1 week so be careful for the first week. On a test scrap I have overstained a coat of dark oil stain ontop the mahogany gel stain with a dewaxed shellac barrier coat inbetween. I suggest you always make up complete start to finish samples, which will allow you to learn the process. It dries to an amber color with a gloss finish. With polyester's rigidity, I'm worried the wood movement will crack the stiff polyester. Rob Johnstone: The good news is that you can indeed apply shellac over a tung oil finish. Shellac may be used over most finishes - including old shellac, varnishes and lacquers - and under most lacquers and varnishes (except urethanes) and under any type of paint. It produces the exact look I was looking for, however … We used Zinsser Cover Stain oil based primer. Some finishers choose to partially seal the wood in an attempt to float the stain atop as a way to avoid uneven coloration and blotching. Oil base GF Gel Satin or GF Arm R Seal is recommended for the oil base Gel Stains. Water-based oil-modified polyurethane is a relatively new product that combines the durability of an oil base with the cleanup of a water base. If you are using a standard hardwood, then using the stain first, then shellac, will give you a deeper color penetration into the wood. Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Finishers discuss compatibility and wear issues with using shellac in combination with Tung oil and varnish. If so How long do I need to leave the oil based to cure? Thanks guys... both for the advice and the welcome. I read that I can use a water-based poly over an oil stain as long as I wait 72 hours. Hope this helps. Because the solvent in shellac-based primers is denatured alcohol, these primers kill the bacteria that cause certain odors. This may sound even more confusing, so to help you understand better, here is a thorough breakdown of the difference between … That can lead to crazing and cracking. From Paul Snyder, forum technical advisor: You can apply oil-base varnish (non-poly) over shellac without any problem. You can apply to raw wood, or you can apply it over an existing finish. Get shopping advice from experts, friends and the community! That will take at least a week or so to be sure. Shellac. Begin applying by lightly squeezing the pad to allow a small amount of shellac to seep through the muslin. Question Zinser Shellac (regular and dewaxed) is a great barrier coat. Depending on how new the wood is, one or two coats of 3-lb. 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 use one coat to seal the wood. Linseed-oil based stain is perhaps the classic variety of stain. If you do not desire the amber, and with java I don't see why you would, then you could head straight into the final topcoats. http://www.ridgidforum.com/forum/sho...45&postcount=1, https://www.youtube.com/user/PowerToolInstitute, https://www.youtube.com/channel/UC1p...qcZKHyrqKhikFA, If this is your first visit, be sure to The traditional varnish is based on natural resins and oils and is thinned with mineral spirits or turpentine. I've made a sliegh bed from poplar and used a mahogany gel stain which gives a nice even color on the open pore wood. You don't want to apply a harder finish (varnish) over a softer finish (oil/varnish blend). When you want a "close to the wood" natural finish without a lot of protection from wear, heat, water, etc. Also, on the polyester/2K urethane option - I have also never used this but am aware of its great durability. For especially tough knots use multiple coats of amber shellac. Bob D. 2006. "It's a table saw, do you know where your fingers are?" I'm pretty set on an oil/varnish mixture or some sort (mostly what I finish products with), however I've read a few things about Shellac as a sealer and used to bring out the grain patterns a bit better. The coating can be applied with a brush, roller or a sprayer. Drying oils like linseed and tung are a lot less durable than varnish and are not film forming finishes. Anybody have any experience in this finish? ... Shellac can be used over any stain except alcohol-base types and over any filler. The beauty of all our water-based sealers and topcoats is that they’ll level and adhere to whatever solvent- or oil-based stain you’ve used. If so some insight would be nice. If you need to make any adjustments, you can do it on the samples. They also allow you the opportunity to be sure all your materials are compatible. I would not recommend applying a drying oil or an oil/varnish blend over shellac. Oil-based finishes amber over time; do not use them over white or very light colors. The shellac does not have to be dewaxed if you plan to use oil-based paint. What is Shellac? All times are GMT-5. Some varnishes are lighter in color than others because of the drying oil that's used to make them (e.g., soya oil). Enduro-Var cannot be used with any oil-based product, sanding sealer or shellac. The stain was color matched to our new hickory floors, which are stained a medium-dark true brown (no yellow). From contributor K: If you mix your alcohol dye in shellac most of it will wipe off with alcohol and No I wouldn't use the dye over an oil stain, you can but it is better to apply the dye first and then the oil stain, as the oil stain accentuates the pores of the wood. Created from the dried secretions of the Lac beetle, this natural product is … It does have to be dewaxed if you plan to use waterborne paint. Water base GF En- duro-Var, High Performance or … The alcohol in the shellac sterilizes the surface and the dried resin acts as a … ... and inferior looking finish. Woodworking Myth: You should never put a water-based finish on top of an oil-based finish. The shellac piece really pops the grain. General Finishes Enduro-Var Urethane Topcoat can only be used over raw wood or General Finishes water-based wood stains or dye stains. It can go over, or under, either. Wrap the piece of muslin around the sock, holding the edges of the fabric behind the sock. For really glossy surfaces like laminate IKEA cabinets, the adhesion is not as strong as shellac primer. I've never used shellac in this sense and my concern is the bonding issues with shellac under oil or oil/varnish mixes. I wait a minimum of 10 hours before applying the shellac after staining. It's going to be certain ones that you can't do it over a gel stain, stain with a clear coat, or water base won't work. Durability wise, this formulation is better than an alkyd varnish but not quite as tough as a uralkyd varnish (polyurethane). Before you stain your pine, you should apply a wood conditioner to your wood so your stain penetrates evenly. I wouldn't. Also I always apply stain and varnish separately and never use a combined … October 13, 2008, KnowledgeBase: Finishing: General Wood Finishing. amber shellac will seal them off so they can't bleed into the finish coat to ruin it. ... (NGR), and water stains, and over lacquer-base fillers. My only comment to add is, with Minwax, I always let oil based stain dry for a day, then wipe it down with terry cloth moistened lightly with paint thinner, then let it dry for another couple days before applying top coat. It also can go over oil-based finishes and can be applied using synthetic-bristle brushes, a foam roller or a rag, as can other water-based polyurethanes. Trees and Shrubs – Apply shellac on the exposed stumps of pruned branches to seal in the sap and stop the ends from bleeding. On some woods (cherry), applying the oil-base product to the bare wood has the greatest impact. Forum Responses All you need to do is rub it on liberally and then wipe … In French polishing, a drying oil like linseed is used to pop the shimmer/chatoyance and figure in the wood before the shellac is applied. Here's a picture of a sample test panel on a piece of birch ply that has a lot of curly figure. I used garnet shellac (to get an amber tone, like old varnish) then satin Gel varnish for the final finish. Shellac is unmatched in its adhesion to just about any material that needs finishing or painting. But the warning is that you will need to wait until the tung oil finish is completely cured. Dewaxed shellac is unusual in being compatible with both water- and oil-based finishes, and in fact is sometimes used as an "adapter" layer between those. How light is a light sanding? I will say that I have used shellac over MinWax oil-based stains with no problem. It is a commonly held belief that oil-based paints don’t mix well with other types of paints; however, at the same time, it is also said that it is perfectly okay to use latex paint over an oil-based primer. Not recommended for raw wood and unfinished MDF, because water content can cause swelling. General Finishes Wood Bowl Finish is a durable oil and urethane based finish. Shellac.net Wood Finish Supply & Merit Industries Thank You for your support, we appreciate your business Ron, Pete & Shannon: General Finishes OIL BASED Wipe-On GEL STAINS: General Finishes OIL BASED Wipe-On GEL STAINS Type: Oil Based Non Ambering Use: Interior Raw Wood Application: *Note. One way to do that is to use very dilute dewaxed shellac as a sealer. I used Zinsser 3# blond (aka clear) shellac which I cut in half with DNA (denatured alcohol). It cannot be used over other finishes, or over oil-base stains or many fillers; the solvents in lacquer will dissolve other finishes and incompatible stains and fillers. Bob D has already mentioned that shellac works fine over Minwax, and I also have that experience. Dry time: one hour. (*When working over an existing finish or painting on the stain ... Gel Stain over raw wood: Dry Times: … Then apply 1, 2 or 3 coats of stain let dry completely for a least 24 hours. Each of the larger squares has a different finish used as the first step, though one is all lacquer. It is for interior use only and requires 3 coats for maximum durability. check out the. This product can actually be used on wooden floors. Shellac has wide compatibility. Other woods, like cherry, tend to blotch under oil-based stains. Well worth the trip to your local library or bookstore. "?ǝɹɐ sɹǝƃuıɟ ɹnoʎ ǝɹǝɥʍ ʍouʞ noʎ op `ʍɐs ǝlqɐʇ ɐ s,ʇı". The differences between the squares are subtle. (Finishing Forum) I'm really embarrassed to even be asking this, but I've searched here, at Sawmill Creek and even at shellac.net, and I can't find a specific answer to this: The Leading Cause Of Injury In Older Men Is Them Thinking They Are Still Young Men. If you want the 'look' of tung or linseed oil, use a varnish like Waterlox or Behlen RockHard that's made with tung oil and phenolic resins. Re: Shellac over oil-based stain? I used this over MinWax Early American (#230) with no problems. This can also be used to speed up the process because the shellac can go directly onto oiled wood without waiting for the oil to dry. Interestingly, though, on the other hand, you can’t use oil-based paints over latex paint.. Oil based primer. ... Shellac can be used over the top of your acrylic paint if you are careful to apply it properly. Fortunately, you can also easily strip the shellac finish if you are unsure what type you have. Best temperature for application: between 40f and 90f (4c and 32c) From my experience is that you can use Danish oil over oil stains and dies. And actually, the answer is YES—you can use our EMTECH water-based sealer or top coat over the oil stain. By adding oil to varnish you only reduce its durability. Shellac is a good choice over linseed oil because it will adhere well even if the oil isn't fully cured. Jim Carroll explains why it’s not only acceptable to use a water-based finish over and oil finish – provided you do it correctly – but that it can be the best solution when you want to bring out the natural character and color of the wood. Dewaxed shellac is required for water based finishes and polyurethane. However, I am not a fan of this method for a number of reasons. #6 Regular solvent based varnish or lacquer can go over any shellac. I'm in the process of building a maple drafting table for a client and I'm playing around with some finish choices. I'm running some test pieces as well one with shellac sealer and another with straight tung oil. If you want to take an extra precaution you can use shellac as an intermediate coat. Finally, the oil-base varnish provides a lot of durability (e.g., wear, water and chemical resistance). FWIW, PK is the hands down resident expert when it comes to "years ago". The stain goes on as a liquid, the solvent evaporates, and the stain dries. This page was generated at 06:46 AM. And it doesn't matter if the shellac contains wax or not. So there’s no need to go oil on oil simply because your stain is oil-based. Add a small amount of lubricant, such as mineral oil, on the pad before application. Shellac-Based. Thinned … If you are using pine or a wood that tends to blotch (such as yellow poplar, for instance), then you will want to use a thinned-out coat of shellac first, then stain. By the way, the shellac will act as a wash coat, and help minimize blotching on woods like maple or cherry, if you plan on staining. I think you are asking for trouble with the oil/shellac. I've restored a lot of furniture in my time using Shellac and polyurethane. If you plan to use oil-base poly, it's best to use dewaxed shellac to improve adhesion with the poly. As strong as shellac primer over time ; do not use them over or. 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Or a sprayer any adjustments, you can do it on the other hand, you can easily! 'S book `` Understanding wood Finishing What type you have 2 to 3 coats of stain dry...