I think you could successfully pad that cabinet. Along with cleaning the brushes and rinsing them with water, a painter should use a spinner to finish the cleaning process. 11:44. Anything over 5 psi at the gun inlet produces a wonderfully fine and even spray that levels out to glassy smooth in 30 seconds. Forum Responses (Finishing Forum) From contributor G: Thin it out with denatured alcohol. For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. BTW, one of Jeff Jewitt's finish schedules is called a "down and dirty" french polish, used when he needs a fast good looking finish on a small project. Most HVLP sprayer systems have a cleaning set included. The other day I had my finisher spray some Sealcoat out of one of our Kremlin AAA sprayers. Just curious why you wouldn't use shellac over BLO? Dry to the touch in five minutes and ready for a recoat in ten. As an example, we installed a robot system with both epoxy and polyurethane coatings, which are harder to flush then water and solvent based coatings. JavaScript is disabled. Those wooden zoom boxes looks great in its texture. A typical water based coating has a volume solid’s around 33%. I'll first spray a little straight DNA through it as well as rinse the container ( this DNA is saved for the brush soaking mentioned above), then soak the whole thing on household ammonia/water in a 5 gallon bucket. Heck, I sprayed everything (including my toopaste ;-). i just use a throw away brush. Clean your guns thoroughly at the end of each day of spraying by spraying solvent through the gun, wipe off the tips completely and clean the cup inside and out. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Also, by what kind of brush I meant a natural or synthetic bristle? Then after thoroughly rinsing the spray gun, use acetone to spray through and wipe down all the fluid parts. Dilute ammonia with equal part water. A clean gun sprays a smoother, more controlled finish that requires less sanding. Be sure to rinse the gun with clean water, then store. I would recommend having two sets of tips, one for the lower volume solids coating, and one for the higher volume solids. Buy some of those bottle cleaning type brushes - they sell them at automotive paint stores, and … The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. 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. To my surprise there was an inch or so of lacquer in the cup that had dried to the consistency of thick molasses – and I do mean thick. With more than 12 years as a professional painter in my past, I can brush wood with oil-based enamel that will look like its been dipped in paint, but I'm also a pretty good hand with a spray gun as well. Trade Price £1,195.00 . No need to clean out you sprayer until the project is done. I'm about to make my first go round at spraying shellac using my Graco HVLP sprayer. The spinner helps increase the life of the brush by spinning it and decreasing the water and loose shellac remnants on the bristles. Just let it set up, then soak it for a few minutes in DNA before the next use. Two days ago I took the spray gun, which is a gravity feed, off the hook and removed the lid to put in some lacquer. Shellac is a new medium for me, and while padding "seems" quite simple, I do believe wholeheartedly in Murphy's Law. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. When cleaning your airless after running shellac through your pump. For shellac if you clean the gun soon after you get done with it, I would put alcohol in the sprayer and spray some through it and change the alcohol and then another wash with lacquer thinner. Do the whole … It takes about five minutes to do the correct flush sequence, and you are assured of a great finish with two different coatings. You can also choose to spray the entire drawer, if you prefer—for easier cleaning. If we all had a booth and a good respirator, spraying would be much more prevalent. I have a small compressor based spray gun which I always use for shellac. For different thicknesses different size Fluid Tips are available to … I have an awful time brushing shellac but when I do, I use a natural bristle brush. The real bottom line is eliminate the first material (water or solvent based) and has enough flow to overcome the laminar flow, and you will never have a problem. i dont like sanding if i dont have too as much. For a better experience, please enable JavaScript in your browser before proceeding. How do you apply liquid shellac? You can spray many different finishes and paints such as latex paint, oil based paint, shellac, lacquer, polyurethane, milk paint, stains and protectants, etc. I clean with ammonia water mix approx 1/3. Don't risk damaging your gun with improper cleaning tools—this set is made specifically for safe results. The brush spins and centrifugal force releases excess liquid from the brush and keeps the bristles soft. Acetone is about the only material besides our Cleaning Your HVLP Spray Gun - 2013 Cleaning Your HVLP Spray Gun CLEANING SUPPLIES 1) Water or Solvent 2) Cleaning buckets for soaking parts, and dumping waste 3) Rags or Paper Towels 4) Cleaning brushes and toothpicks 5) Wrench 6) Gun Oil 7) Safety Glasses 8) Rubber Gloves DIS-ASSEMBLY and CLEANING 1) Pour the material out of your cup. Your shellac is thin, but you might try a test with a even more diluted solution. How to Clean a Spray Gun "Properly" - Duration: 11:44. 3 or 4 coats sanding lightly between coats and then I pad the last coat. If anything it's a teeny bit dark but I know spraying it will make it lighter than padding. It seems to take a lot longer to build up a film thickness when spraying. We’ll beat it convincingly CLICK HERE. I then leave some clean solvent in the cup(2 oz.) Easy-peasy.... and it works even if the shellac has hardened. 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. If you apply a coating with a volume solids of 50%, and you put the same three wet mils on the substrate, it will dry down to 1.5 mils, which it too much. Another question, I've read you want to thin Zinnser shellac 1:1 w/ DNA (Zinnser seal coat is a 2lb cut, so that would make it 1lb). The Gunman 173,361 views. So there was no reason to clean the gun (which amounts to nothing more than running lacquer thinner through it). Will I have problems switching back and forth from Sealcoat to waterbase with things getting plugged up? The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. The adjustable fan size, along with a simplified design, gives superb results with a minimum of fuss, and is easier to clean as well. See Dropdown for Options) Found it cheaper? The leftover alcohol I would save in a clean container to use next time when you thin the shellac. Filter the dissolved mixture to remove the undissolved solids/leftover crud. I also like the BLO over the cherry because it tames cherry's tendency to be blotchy. Forum Responses Personally, I spray a 1.5 lb cut shellac with a tiny bit of turpentine as a retarder, using an Iwata LPH400 with a 1.2mm needle/nozzle setup. Clean gun = Better finish! Was this a bad idea to spray the Sealcoat through the line? The new aircap design is on another level. If I am done for a while, I take the tip off and clean it with a plastic bristle brush meant for cleaning guns. (Finishing Forum) Looks good, glad things worked out for you. I find it to be alot faster and easier than brushing. Be sure to rinse the gun with clean … I am in the process of switching to waterbase clears, so once I put a new hose on the sprayer I will only be spraying waterbase out of that sprayer. "I long for the days when coke was a cola and a joint was a bad place to be" (Merle Haggard). Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! This means that when you apply three wet mils, the coating will dry down to one mil. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. hope it is useful for everyone. I usually do use gel stains, but I didn't want this one too dark. Place small projects on a turntable and turn the project instead of moving the spray gun around the project. There were never any problems with clogging. Spray thin, even coats. If not brushing it (and padding the rest) should be a good approach. Cleaning Wagner Control Pro 250M Airless Paintspray System HEA - Duration: 14:51. December 1, 2009, KnowledgeBase: Finishing: General Wood Finishing. I like using the Kremlin Airmix on both produces. Why not spray? The way I clean my gun after spraying shellac is to first use DNA spraying into a solvent catcher. I'll first spray a little straight DNA through it as well as rinse the container ( this DNA is saved for the brush soaking mentioned above), then soak the whole thing on household ammonia/water in a 5 gallon bucket. It was mentioned by someone that the gun puts on too much material. It can be used with a 5 cfm compressor. Anyhow... i normaly dont spray shellac, it tends to orange peel alot. Thanks for sharing such a useful info about the furniture. From songbirdhd.blogspot.com, the major points are: Use a one-pound cut (one pound of shellac flakes in one gallon of alcohol), which can be sprayed through any spray gun that will spray lacquer. That said, with shellac I would think any brush (that does not include the foam thingys) is quite good. I then spray ammonia through the gun. Shellac uses denatured alcohol has the reducer. Here's a versatile brush set for cleaning all types of spray guns and airbrushes. PMM . The gun is a CA Tech. So there must be something in the application, too much fluid, not moving the gun fast enough, some other adjustment or such. Order an extra set for cleaning guitar hardware and tools, too! Gives you a beautiful smooth sheen finish. It really looks good. i use purdy brushes, but for shellac i use throw away's. Better yet, if it's dedicated to shellac, no cleaning! Any help would be appreciated. After he was done he flushed it out with water and ammonia mix (manufacture instructions).When we went to spray again the next day the sprayer would spray. I then padded the shellac on the cherry scrap piece and I'm pretty happy w/ the color. Thanks, Gary. Thanks for all the help and responses on this :thumbsup:! Mario Castelo on 30 May 2017 at 12:57 pm There are also compressor driven HVLP gun’s that work as well or probably better than any turbine driven unit, but they require a beefy compressor, nowadays there is also LVLP (low volume low pressure) who don’t need as a powerful compressor and share the same transfer efficiency. Wow you have shared really the nice information. After using, wash brush out in solvent, use a wire brush or brush comb to clean very well, spin brush till dry and repeat process with clean alcohol. On your spray guns you will need to take the fluid nozzle and needle assembly apart to get it completely clean. We’ll beat it convincingly CLICK HERE. If you have a scrap of that bottom molding, try padding it, and see it it gets covered (I'm guessing it won't). First, before you use the brush, pre-wet with clean alcohol. This will let you know if you cleaned your gun well before you screw up the first pass of the next day. It is not really the cleanup time because I can clean my spray gun in 20 minutes. The base molding may have to be brushed. While spraying,(even overnight) mask the top of the 5 with plastic and tape. A forum community dedicated to professional woodworkers and enthusiasts. Basic Procedure for Cleaning an Airless Sprayer. When spraying project elements where you only want to topcoat a portion, such as drawer fronts, mask off with paper the sections you don’t want to spray. to spray out before the next days work. Good priming. After diagnosing the problem we discovered the hose was plugged up. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). I could spray the sealcoat out of a pressure pot, but that is a lot slower and makes a lot more overspray. Yes. The only way to clean a spray gun after using water-base materials is with water and dishwashing soap. As an example, if with water you are using a 12-132 tip, change to a 09-132 for the higher volume solids coating. Plus, a clean 1 gallon bucket would be useful. We had a three flush program, and 3/16" ID lines. Add to Wishlist | Add to Compare; Unic Edition35 Compact Water or Solvent Based Automatic Spray Gun Cleaner Found it cheaper? From contributor G: Will the Spray Gun I use spray different types of paint? Our Price £584.00 . Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Advice on maintaining the equipment you use for spraying shellac, and on how to clean equipment when switching between coating types with a single spraygun system. Use denatured alcohol to clean out the system, not water and ammonia. It consissts a a light coat of BLO, quickly wiped off and then quickly topped with shellac. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. Point is, shellac over BLO is fine, and it can go on much sooner than other types of top coatings. How to clean a paint sprayer. I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. Then I disassemble the gun and wipe all the parts with mineral spirits. After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. Could not be happier. Well, it wasn't long before the gun clogged up on me, requiring an annoying amount of time to clean it out. Can’t wait to see your results from others woodworkers.” – Bruce Kondracki “I have spray equipment and I use it. frenchy | Apr 11, 2007 02:57am | #6. pmmatty, I used to spray all my shellac. You will need a couple of clean 5 gallon buckets, a rag or two and a small brass or nylon wire brush. Once done, you can apply it through a brush, cloth, or spray gun. Finishing with Shellac March 6, 2015 hvlp_admin News , Uncategorized Finishing with Shellac Almost all furniture and woodwork finished between the 1820s and 1920s was finished with shellac. Though I have a hell of a time brushing shellac, I can do small areas like that fairly well. From contributor M: I have brushed and sprayed a fair amount of Shellac and I prefer brushing. This will allow the sprayer to use his normal spray paths with both coatings. Shellac Flakes (Image: Wikimedia Commons) You need to prepare the surface of the wood before you apply shellac by thoroughly sanding it. Unic Compact Spray Gun Cleaner (Solvent, Water Based or Both. The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). 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. Graco magnum x7 Airless Paint Sprayer Cleaning Instructions. ya got to watch for loose hairs. Question Trade Price £730.00 . I have done many fire restoration w/white pigmented shellac. I got a color I'm satisfied w/ by mixing calculated drops of Transtint w/ 8 oz shellac. I use the older gun to spray shellac sealer coats and the new gun exclusively for waterborne lacquer. Prior to using the sealcoat we only sprayed conversion varnishes (solvent) through the line. 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Has hardened point is, shellac over BLO can go on much sooner than other types top... Touch in five minutes and ready for a better experience, please enable JavaScript in your before! I used an HVLP gun, installed a 2.0mm tip/needle, and you are assured of a pressure,... Paths with both coatings 09-132 for the higher volume solids coating, and cleaning the gun with clean alcohol increase... Overnight ) mask cleaning shellac from spray gun top of the 5 with plastic and tape will make it lighter than padding solid’s 33... I dont have too as much lot more overspray is the right space and location for a minutes... Light coat of BLO, quickly wiped off and then I pad the last coat minutes! By mixing calculated drops of Transtint w/ 8 oz shellac cleaning shellac from spray gun allow the sprayer use. Hea - Duration: 14:51 than other types of top coatings use stains. Always use for shellac I generally use a spinner to finish the cleaning process and even that. A light coat of BLO, quickly wiped off and then I disassemble the gun is easier than with finishes! I normaly dont spray shellac sealer coats and then quickly topped with shellac I use spray types! Use throw away 's should use a natural bristle brush smooth in 30 seconds this one too dark an set! Tames cherry 's tendency to be alot faster and easier than with other finishes minutes do.