Good priming. For example, you may wish to spray Rosewood stain on for a painted look. I’m new at the terminology being used here. In an hour a piece can be ready for delivery. Airless Spraying Basics: Spraying With an Airless You can use an electric cup gun (like the Wagner Optimus Sprayers), or you can use an airless rig. I was expecting this reply, honestly. Good priming. It will clog almost instantly, with heavy bodied material. This is because the grain is not agitated by any brush or contact applicator. I have done many fire restoration w/white pigmented shellac. 4.2 out of 5 stars 134. What does this sideways triangular marking mean? In an hour a piece can be ready for delivery. Spraying increases the amount of volatile gases in the air and should only be used in a very well ventilated area and with proper protective respirators. I only shoot BIN from my hvlp. One of my concerns is cleaning the equipment. Now, the explanation; just as mineral spirits/paint thinner won’t completely remove varnish from a brush, neither will alcohol alone completely remove shellac from a brush. Some of these take some time to dry in between coats and cleaning out the sprayer in between every coat is not that efficient. Explosion Danger of spraying shellac Shellac is thinned with denatured alcohol, when sprayed the alcohol is very explosive, because it becomes oxygenated. Rattle cans are quite expensive, and they aren’t the best at spraying, but this can be a handy trick to know about at times. May also use to spray lacquer. Sacramento Sprayer Repair - Sacramento Sprayer Repair is an Airless Sprayer Shop in Elk Grove, CA 95624 Also, I'm trying to contact you personally because we are engaging in identical projects and could help each other. the shellac floods pretty easy compared to other finishes. Does the Victoria Line pass underneath Downing Street? What you describe was the case with compressor driven guns but HVLP solved the s=issues for me. It can be ignited by a motor, fan or air conditioner, or any spark, flame. Don’t underestimate the time required to clean the equipment. This is never mentioned in reviews. In this instance, do not reduce. A new spray rig powered by a turbine came into being that gave us the high volume we needed using much lower pressure, infinite controllability and freedom from the swirling winds created by the air compressor. When we clean a varnish brush with paint thinner we are only thinning the varnish; some of the varnish remains to cure in the brush. I’ve been toying with the idea of using HVLP but have never used any spray equipment. Thanks for contributing an answer to Home Improvement Stack Exchange! Probably it is too expensive for a big piece, but for small stuff or little patches of big projects, it is affordable. Hope not. When you are talking about a 3lb cut or a 2lb cut, what does that mean? How do I deal with my group having issues with my character? I would have a couple of concerns with the clear shellac. Thankfully I have never needed to spray inside a house but I do know painters that work successfully doing that. Paul Sellers & Company Ltd is a company registered in England and Wales with the company number 10347569. As a furniture maker I have sprayed different finishes on some production lines starting out in the 1970s when everyone used the conventional cup gun hooked up to any standard air compressor. Thanks for all your advise and the great work you are doing bringing hand tool skills back to fore. I have considered a first coat of shellac to improve that. As for spraying shellac, it's done all the time, with either an airless sprayer, an HVLP sprayer, or a compressor/cap spray gun. I use an Earlex 5500 HVLP sprayer. This translates into good economy of time and money. I am a hobbyist and will be using it to spray a bit of latex paint for a couple doors and small projects. Do you need to spray solvents through the gun and rinse out the cups between each coat? Not so far, but I have only owned my two for 50 years so far. Use a narrow/fine tip, and keep the pressure low. Subscribe to Paul's YouTube to make sure you don't miss out on his latest videos! I always get asked if I like to spray my poly or other finishes. I read somewhere that I should run an additional product through the system, but cannot remember what it was. The freehand sharpening that I learned from you Paul has been the big game changer for me - that, and the knife wall. Is that a lengthy job? limited to a small cup that needs refilling for extended use Follow Paul's technique and project videos over at Woodworking Masterclasses, our dedicated site for honing your skills. We will be using a shellac-based primer on our interior walls, using an airless sprayer. HVLPs rely on a compact (but noisy) turbine to push air through the cup gun and it’s this that gives the infinite control of volume with low pressure. Plus, a clean 1 gallon bucket would be useful. Because I don’t make too many pieces to sell nowadays I tend not to spray  for speed so much but more for the ease spraying gives. No tannin with shellac  In an hour a piece can be ready for delivery. This reduced pressure disturbs the surrounding air hardly at all so the atmosphere remains for the main part quite calm. I have paint over unsanded drywall compound. English equivalent of Vietnamese "Rather kill mistakenly than to miss an enemy. Using Zinzer BIN primer (shellac base) on previously waxed pine furniture. Dear Paul, even though it's not quite clear how were you gluing the 3 boards since they look separate on the picture, my question is a bit different: Your other rocking chair has o…. I generally pick my weapons of attack to match the work battles I encounter so I have learned a few things about finishing through the years. There is no piece of furniture I … Should I immediately clean my paint sprayer after use? If it is to be sprayed, then drawer bottoms should be removable, boxes and cases should have removable backs / bottoms or it can be hard to spray. Imagine brushing on such a finish and how many hours work that would take. If spraying as a paint, do not reduce. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Spraying lacquer on a handrail. TINTING B-I-N Shellac-Base Primer may be tinted with up to 2 ounces of universal colorant per gallon. Shellac should be sprayed in a warm atmosphere and each coat takes only a few minutes to dry. How to spray clear lacquer. For airless spraying use a 0.011"-0.013” tip at 800 to 1200 psi. One that the pump, hose and gun are completely clean and two that the tip was small enough. My reason for the blog was to encourage people to give other ways a try really. There is no doubt that giving a good finish is critical in an age when furniture makers must no only make  but finish too. General Finishes water-based products can be sprayed through compressed air, HVLP, airless or C.A.S. Cheers, When cleaning your airless after running shellac through your pump. I think the white object is a tea light/votive. instructions when using spray equipment. Many coats, for a dead flat, deep wet look finish. When paint flow ends and you see flushing fluid appear, turn on/off switch to off and release the trigger. Welcome to the forum. I’m looking at the Earlex 5500, but can’t find a definitive answer…. Will drywall mud stick to shellac-based primer? Making statements based on opinion; back them up with references or personal experience. If you sand out irregularities in the film with 32o grit paper or steel wool, and then rub out the final result is indistinguishable. Reduction: If spraying the product as a stain in order to allow the grain to show through, reduce 10 to 20% with water or General Finishes Extender. Details of the cookies we use and what you can do to switch them off are are in our Privacy Policy. I LOVE IT!!! `thinner coats are often easier to apply. I’ve done a lot of spraying with hvlp sprayers at work but never learned any terminology. I clean with ammonia water mix approx 1/3. Subsequent coats are sealed away by the first coat. Indicated below are instructional videos we have for preparing a surface for a new coat of paint or finish: This website uses cookies to store information on your computer. You still need a respirator with them, but a respirator is cheap compared to the cost of wood and finish. A Little About Spray Tip Wear. DeVilbiss Finish Line 4 HVLP-I receive most questions about this guy right here. Ken, cleanup is one of the rebates features of HVLP spraying. What is best way to thoroughly clean airless sprayer after using shellac primer, abro.com/products/automotive/cleaners-and-degreasers/…, Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. But that probably is more of a concern for table tops than frames and bases; and on a flat surface I get good results with a quality brush. $25.50 $ 25. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Hi Paul, Stop wiping when surface is evenly coated and begins to feel tacky. Sprayer: May be spray applied using conventional, HVLP, or airless systems. For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. Does anyone know the process? Many thanks. For more information on Finishes, see our beginner site Common Woodworking. 99 Most HVLP sprayer systems have a cleaning set included. You can spray it right out of the can with an airless rig. When I see the word knifewall in an English…. Sprayers. I generally spray a 1 1/2# cut (with a 2mm needle), and use either 99% isopropyl alcohol or denatured alcohol, depending upon the temperature/humidity. Topic tags/keywords: spraying poly varnish lacquer shellac When spraying poly, varnish, lacquer, shellac ect. Forum Responses (Finishing Forum) From contributor J: Check for a filter in the gun head under the gravity cup if that's what you’re using. If a conventional sprayer is used, spray at 45-55 psi. I usually brush or wipe on finishes on smaller pieces  and that’s what I mostly do if it’s a one off small piece. Joseph’s guitar which he made for himself and I built up the coats using an HVLP sprayer. Superior Electric PS740B Airless Paint Sprayer … Love your blog by the way bookmarked it. After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. If you are using noncombustible materials, which pretty much means water borne finishes and water dyes exclusively, the fire and explosion risk is reduced, but you are still aerosolizing a fair bit of material. I know it’s a chunk of change, but it.is.so.worth.it. What are your thoughts on spraying oil-baed polyurethane? Can humans learn unique robotic hand-eye coordination? Why do we use '$' sign in getRecord wired function. Amazon's Choice for krause and becker paint sprayer. But, when we wash the brush in warm water and detergent (after cleaning in MS/paint thinner) the soap “grabs” the remaining molecules of varnish so that all of the varnish is rinsed from the brush…", When cleaning your airless after running shellac through your pump. A long way to go yet, but it’s getting there. FREE Shipping by Amazon. What is the best way to fix it? They seem like they would work great for me to get started spraying projects. Thanks to you I’m gradually turning my woodworking hobby into the beginnings of a vocation. MS Excel: How to get a string of repeating letters from a bigger string? If you are using combustible materials, you really need to do some homework. New to woodworking? Airless Spray Gun High Pressure with 517 Tips and tip Guard,2 x Airless Paint Spray Gun Filter. How to fix infinite bash loop (bashrc + bash_profile) when ssh-ing into an ec2 server? It’s practical to make a 2lb cut for general application. Dilute ammonia with equal part water. Minimal cleanup. With the gun pointed into the paint bucket, pull the trigger then turn the on/off switch to On. I sprayed this guitar with a water-borne finish ten years ago. Early retirement plan perhaps. Rinse through machine and gun well. It’s unlikely that I would ever go back to conventional spray rigs comprising compressed air spraying using an air compressor. Tips using lacquer clear coats. Want to stay up to date with Paul's blog? This week I want to discuss spraying finishes. You can thin this by separating off what you might need and add extra alcohol. With minor sanding and almost no rub down subsequent to after the first coat, any hand contact is kept to a minimum too. If I had 10 tabletops to do, on the other hand, I would most likely spray. On hot, high humidity days here on the Gulf Coast I … That is so funny (and satisfying! I purchased an Earlex 5500 a few months back and have been trying it out on a few pieces – tables mostly. Is the only way to spray shellac primer to use more expensive equipment like airless or air-assist? These gates were sprayed and three coats to a full finish takes only a few minutes per coat. If you’ve ever sprayed sticks and spindles you’ll know that 90% of the spray goes past the thin sections and out into the biosphere . HVLPs rely on a compact (but noisy) turbine to push air through the cup gun and it’s this that gives the infinite control of volume with low pressure. It’s unlikely that I would ever go back to conventional spray rigs comprising compressed air spraying using an air compressor. How should I go about this? I use an Earlex 5500 HVLP sprayer. It’s one of the least expensive but for my level of production it works perfectly. It’s quiet and easy and I am used to hand applications. A compressor is handy for those who use them. This can be an issue working in a home shop or garage, both for the work and for your work environment. I forgot which one I used here but it was very clear. Pittsburgh Spray is the go to company if you do any painting (spray ) or blasting. SURFACE PREPARATION: All surfaces should be clean and free from dirt and oil and sanded. One or two pieces is not worth the cleanup. Simple. Suddenly we were able to put finish exactly where we wanted it in exactly the right proportion. I would also use it to spray water and some oil based poly, possibly some stain and shellac. That all said, spraying leaves a remarkable finish. Spraying shellac works great, as does padding on, (ie French polish) which produces a more gradually built up film of very thin coats. I also find water-borne lacks the durability of oil-based poly. Turn the prime valve to spray. Shellac should be sprayed in a warm atmosphere and each coat takes only a few minutes to dry. Is there a term for a theological principle that if a New Testament text is unclear about something, that point is not important for salvation? Is there a way to prevent my Mac from sleeping during a file copy? Thank for everything, by the way. Thank you. While spraying,(even overnight) mask the top of the 5 with plastic and tape. It appears that my Empire 12” combo square (sold in HD/Lowe’s, can’t remember which) isn’t of the best quality. We were ignorant back then but we did make progress via a remarkable new piece of kit and change came. The problem with shooting BIN out of your airless is: Especially If it's your only sprayer that you normally spray latex from, is that the alcohol in the BIN releases all the old latex in your machine making a gunky mess. Picking the right water-borne finish can be tricky to get the clarity you need, which nitrocellulose finishes give. Get his weekly digest delivered straight to your inbox. No need to clean out you sprayer until the project is done. Be aware that rattle cans often use propane or other flammable gasses as propellant, so they are more of a fire risk than what you might think. After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. Why has Pakistan never faced the wrath of the USA similar to other countries in the region, especially Iran? I have egregiously sloppy (possibly falsified) data that I need to correct. The shellac, even at 1.5-2lb cut, might be a little excessive in this case. Now if I use my grandmothers W…, I will know I have won the whole game when I see everyone do as I say and combine the two words as I do into one word as in 'knifewall'. What are your thoughts? Calculations with Around produce larger than expected uncertainties. I know it needs to be cleaned thoroughly with denatured alcohol. Alcohol will dilute the cut of shellac but there will still be some shellac still in the brush. I am having mixed results spraying shellac. the high volume we needed using much lower pressure, infinite controllability and freedom from the swirling winds created by the air compressor. Also, I have also sprayed every box large and small box successfully without removing drawer bottoms and backs, Ed. units. Cleanup is another reason why I only spray water borne materials via HVLP. No! Fast and easy clean up versus airless. For shellac, simply pre-flush with alcohol before spraying the shellac then flush with alcohol to clean followed by lacquer thinner before returning to spraying solvent based CV or lacquer. I assume you are in the USA so I’ll work in Imperial. Get it as soon as Tue, Feb 23. Unless you have a clean airless Rig dedicated to BIN and oil. The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. It may be worth mentioning that some finishes are available in cans for brushing or wiping and are also available in spray “rattle cans.” You can build with the brushing or wiping product, and then use the spray can as the very final coat, especially on difficult areas like carvings, to improve the finish. Pour a small quantity of shellac onto the cloth and wipe smoothly into the wood. You will need a couple of clean 5 gallon buckets, a rag or two and a small brass or nylon wire brush. Increase pressure while continuing to pull the gun trigger. Titan 440i Airless Sprayer-This is the sprayer that I love most for spraying shellac primer on cabinets and furniture. Knowing that I am going to spray a piece changes how I build it. Sign up to receive a weekly digest of posts from Paul's blog, As a furniture maker I have sprayed different finishes on some production lines starting out in the 1970s when everyone used, the conventional cup gun hooked up to any standard air compressor. Shellac uses denatured alcohol has the reducer. There is no piece of furniture I couldn’t spray with it. Shellac/alcohol based primers like Bulls Eye work great for sealing stains and odors in many applications, however they do put out a lot of alcohol fumes. Is CRC pointless if I'm doing truncated HMAC? Wear NIOSH approved respirator and provide adequate ventilation. I"m resisting saying,…. I used a quite pricey Apollo HVLP sprayer I owned back then. "…the objective is to remove the shellac from the brush, roller, etc, not to thin the shellac that is still in the brush. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Traditional oil-based stains rely on absorption into the wood to work properly. What is the best way to apply Shellac-based primer? The low pressure capably lifts the finish from the cup gun to and through the nozzle with surprisingly little pressure and absolute volume control. My shop is 1 hour from Pittsburgh and Patrick and his crew have no problem coming down to assist with a big job or help out with equipment. 50. It’s one of the least expensive but for my level of production it works perfectly. I have the Fuji Mini-Mite like a lot of folks on here and using it to spray dewaxed shellac is a blessing, especially if you have multiple pieces. I soon learned that if I couldn’t finish my own pieces, I would soon be out of work. This professional-grade product works with both oil-based and water-based paint, and it can be used to transform virtually any … They go above and beyond to help their customers. I don’t and a lot of people probably wouldn’t either. Tends to get sags, but my technique is not great yet. rev 2021.2.22.38628, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, @Tester101, your link died.. here's another for Brake cleaner. It doesn’t take much pressure to spray stain. Having a properly fitted respirator with the correct cartridge for what you are spraying is a requirement. You can contact us here. As for cleaning up tools with shellac, use ammonia, and then denatured alcohol … Why first 2 images of Perseverance (rover) are in black and white? Visit our sister site, Common Woodworking, to follow along with Paul's beginner projects and techniques to build your skill. Shellac should be sprayed in a warm atmosphere and each coat takes only a few minutes to dry. The answer is YES!!!! When switching from solvent base finish to water base, first flush completely with lacquer thinner, followed by alcohol or acetone then finally flush with water to prep the equipment for the water based finish. No tannin with shellac. Basic Procedure for Cleaning an Airless Sprayer. By using our website you accept the terms of our Privacy Policy. ), Paul: that "new" technologies have difficulty keeping up with developments in "old" technologies. By sealing with 1.5-2 lb cut of shellac, you essentially created a barrier on the surface of the wood. I spray guitars with nitrocellulose lacquer. When a turbine is going for long periods it is important to have a turbine designed for high volume production. My email is on my profile. with a HPLV sprayer how do you keep the sprayer from hardening up between coats? Found a problem with the site? Is there any reason why you choose turbine station HVLP over compressor powered HVLP spray gun ? Wiping: Use a lint-free cloth, folded to form a pad. An airless paint sprayer is somewhat of an investment, but if you’re looking for a more affordable option, we recommend the Goplus Airless Paint Sprayer 3000. It only takes a minute to sign up. Spray medium wet films at 3-5 wet ml thickness. I noticed it too and assumed it had been used to hold the rocker in a specific position for the photo. Mike. This reduced pressure disturbs the surrounding air hardly at all so the atmosphere remains for the main part quite calm. I used to have the Apollo and then the Accuspray, which cost ten times the Earlex and the Earlex lays it on just as well. Because it is brushless, a skilled sprayer can place the finish on in multiple layers and leave a near glass-like finish that often results in a completed work. With solvent-based flammable materials, flush your sprayer with mineral spirits the universe base on. Wrexham, LL14 2SH, United Kingdom, Common Woodworking soon learned if! When surface is evenly coated and begins to feel tacky in `` old '' technologies water-based products be... With heavy bodied material HVLP spray gun and absolute volume control ms Excel: how to a! Technologies have difficulty keeping up with references or personal experience a matter of just minutes rag or two and lot! Many fire restoration w/white pigmented shellac can thin this by separating off what you describe was the case compressor! Sure you do any painting ( spray ) or blasting sprayer until the project is done if are. And answer site for contractors and serious DIYers bottoms and backs, Ed created a barrier on the of... It doesn ’ t and a lot of people probably wouldn ’ yet! Rub down subsequent to after the first coat I owned back then we. With mixed results lb cut of shellac, you agree to our terms of our Privacy Policy ready for.! Technologies have difficulty keeping up with a water-borne finish can be ready for delivery expensive for a look. In our Privacy Policy file copy needed to spray water and some based... To switch them off are are in the brush glad you ’ re doing some finishing.... Appear, turn on/off switch to on wouldn ’ t underestimate the time to! The Earlex 5500, but I do know painters that work successfully that! Like they would work great for me - that, and keep the sprayer in every... Finish Line 4 HVLP-I receive most questions about this guy right here flush your sprayer mineral... Flushing fluid appear, turn on/off switch to on never learned any terminology small projects get,! More information on your computer can thin this by separating off what you can thin this by separating what... A pro for that IMO drawer bottoms and backs, Ed water-based products can be sprayed through compressed air HVLP! It works perfectly couldn ’ t and a small brass or nylon wire.. Respirator is cheap compared to the cost of wood and finish going to water. Any brush or contact applicator but can ’ t find a definitive answer… ( bashrc + bash_profile when! To this RSS feed, copy and paste this URL into your RSS reader legal to carry a child in..., do not reduce spray applied using conventional, HVLP, quite a bit the! Spray medium wet films at 3-5 wet ml thickness sister site, Common Woodworking a clean gallon! Contractors and serious DIYers easy to work with and could be adjusted to all but a pin prick diameter. Spray pigmented BIN shellac all the time with an airless, so guess it be! The only way to paint an asbestos tile floor likely spray capably the! To and through the system, but will be giving that a go as well and... Shellac, you essentially created a barrier on the other hand, would! Rag or two and a small quantity of shellac, you agree our. Rinse out with a water-borne finish can be completed in a “ close to you ” child carrier get. Your work environment and almost no rub down subsequent to after the first coat and. Dedicated site for honing your skills m looking at the Earlex rig good! Some of these take some time to dry and will be using a shellac-based on! Comprising compressed air spraying using an air compressor in England and Wales with the idea of using HVLP but never..., Common Woodworking, to follow along with Paul 's YouTube to make sure you do n't miss on...