I don't want to be buying new hoses all the time. So there was no reason to clean the gun (which amounts to nothing more than running lacquer thinner through it). 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. If you have orange peel, it's too much shellac. Add to Wishlist | Add to Compare; Unic Edition35 Compact Water or Solvent Based Automatic Spray Gun Cleaner Found it cheaper? Dry to the touch in five minutes and ready for a recoat in ten. It consissts a a light coat of BLO, quickly wiped off and then quickly topped with shellac. Why not spray? See Dropdown for Options) Found it cheaper? 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. The brush spins and centrifugal force releases excess liquid from the brush and keeps the bristles soft. A clean gun sprays a smoother, more controlled finish that requires less sanding. The only way to clean a spray gun after using water-base materials is with water and dishwashing soap. The hassle is the right space and location for a controlled spray booth. Any help would be appreciated. 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. Thanks for sharing such a useful info about the furniture. 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. 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. 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'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. Anyhow... i normaly dont spray shellac, it tends to orange peel alot. For different thicknesses different size Fluid Tips are available to … We had a three flush program, and 3/16" ID lines. Thanks, Gary. 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. When cleaning your airless after running shellac through your pump. 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. Forum Responses Spray thin, even coats. Heck, I sprayed everything (including my toopaste ;-). Be sure to rinse the gun with clean water, then store. I clean with ammonia water mix approx 1/3. (Finishing Forum) Do the whole … 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. On hot, high humidity days here on the Gulf Coast I find 99% isopropyl is less prone to blush. I think you could successfully pad that cabinet. You can spray many different finishes and paints such as latex paint, oil based paint, shellac, lacquer, polyurethane, milk paint, stains and protectants, etc. On your spray guns you will need to take the fluid nozzle and needle assembly apart to get it completely clean. I like using shellac-based primer such as Zinsser BIN, but I have never sprayed it until recently. I use the older gun to spray shellac sealer coats and the new gun exclusively for waterborne lacquer. First, before you use the brush, pre-wet with clean alcohol. Acetone is about the only material besides our There were never any problems with clogging. frenchy | Apr 11, 2007 02:57am | #6. pmmatty, I used to spray all my shellac. Looks good, glad things worked out for you. December 1, 2009, KnowledgeBase: Finishing: General Wood Finishing. The can says it can be sprayed, so I used an HVLP gun, installed a 2.0mm tip/needle, and started spraying. Point is, shellac over BLO is fine, and it can go on much sooner than other types of top coatings. If I am done for a while, I take the tip off and clean it with a plastic bristle brush meant for cleaning guns. Was this a bad idea to spray the Sealcoat through the line? Anything over 5 psi at the gun inlet produces a wonderfully fine and even spray that levels out to glassy smooth in 30 seconds. Don't risk damaging your gun with improper cleaning tools—this set is made specifically for safe results. For spraying shellac I generally use a 2.0mm needle in my Earlex 5000. So there must be something in the application, too much fluid, not moving the gun fast enough, some other adjustment or such. I would recommend having two sets of tips, one for the lower volume solids coating, and one for the higher volume solids. It is not really the cleanup time because I can clean my spray gun in 20 minutes. Most HVLP sprayer systems have a cleaning set included. I have done many fire restoration w/white pigmented shellac. Prior to using the sealcoat we only sprayed conversion varnishes (solvent) through the line. 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. 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. Wow you have shared really the nice information. Easy-peasy.... and it works even if the shellac has hardened. I'm about to make my first go round at spraying shellac using my Graco HVLP 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. Just let it set up, then soak it for a few minutes in DNA before the next use. From contributor G: Then I disassemble the gun and wipe all the parts with mineral spirits. It seems to take a lot longer to build up a film thickness when spraying. The adjustable fan size, along with a simplified design, gives superb results with a minimum of fuss, and is easier to clean as well. Place small projects on a turntable and turn the project instead of moving the spray gun around the project. How do you apply liquid shellac? The ammonia takes care of everything, then you pour it on the lawn for an extremely green spot to develop (ammonia is a fertilizer). 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). The new aircap design is on another level. After diagnosing the problem we discovered the hose was plugged up. I usually do use gel stains, but I didn't want this one too dark. A forum community dedicated to professional woodworkers and enthusiasts. Better yet, if it's dedicated to shellac, no cleaning! I then padded the shellac on the cherry scrap piece and I'm pretty happy w/ the color. 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. 11:44. PMM . JavaScript is disabled. I got a color I'm satisfied w/ by mixing calculated drops of Transtint w/ 8 oz shellac. Shellac uses denatured alcohol has the reducer. 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. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! Plus, a clean 1 gallon bucket would be useful. Will the Spray Gun I use spray different types of paint? Graco magnum x7 Airless Paint Sprayer Cleaning Instructions. While spraying,(even overnight) mask the top of the 5 with plastic and tape. It can be used with a 5 cfm compressor. How to Clean a Spray Gun "Properly" - Duration: 11:44. How to clean a paint sprayer. A typical water based coating has a volume solid’s around 33%. That said, with shellac I would think any brush (that does not include the foam thingys) is quite good. If not brushing it (and padding the rest) should be a good approach. 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. hope it is useful for everyone. Once done, you can apply it through a brush, cloth, or spray gun. Filter the dissolved mixture to remove the undissolved solids/leftover crud. 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. Just curious why you wouldn't use shellac over BLO? The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. Could not be happier. Your shellac is thin, but you might try a test with a even more diluted solution. Be sure to rinse the gun with clean … 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. Unic Compact Spray Gun Cleaner (Solvent, Water Based or Both. Shellac is a new medium for me, and while padding "seems" quite simple, I do believe wholeheartedly in Murphy's Law. The gun is a CA Tech. The base molding may have to be brushed. It really looks good. Shellac Flakes (Image: Wikimedia Commons) You need to prepare the surface of the wood before you apply shellac by thoroughly sanding it. 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. Gives you a beautiful smooth sheen finish. 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. For a better experience, please enable JavaScript in your browser before proceeding. i use purdy brushes, but for shellac i use throw away's. ya got to watch for loose hairs. I like using the Kremlin Airmix on both produces. 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. i dont like sanding if i dont have too as much. Question Though I have a hell of a time brushing shellac, I can do small areas like that fairly well. 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. I find it to be alot faster and easier than brushing. If anything it's a teeny bit dark but I know spraying it will make it lighter than padding. i just use a throw away brush. Then after thoroughly rinsing the spray gun, use acetone to spray through and wipe down all the fluid parts. This will allow the sprayer to use his normal spray paths with both coatings. 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). It was mentioned by someone that the gun puts on too much material. 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. I have a small compressor based spray gun which I always use for shellac. From contributor M: I have brushed and sprayed a fair amount of Shellac and I prefer brushing. If we all had a booth and a good respirator, spraying would be much more prevalent. I then leave some clean solvent in the cup(2 oz.) Those wooden zoom boxes looks great in its texture. Also, by what kind of brush I meant a natural or synthetic bristle? Here's a versatile brush set for cleaning all types of spray guns and airbrushes. Use denatured alcohol to clean out the system, not water and ammonia. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 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. The Gunman 173,361 views. Basic Procedure for Cleaning an Airless Sprayer. Order an extra set for cleaning guitar hardware and tools, too! No tannin with shellac No need to clean out you sprayer until the project is done. The spinner helps increase the life of the brush by spinning it and decreasing the water and loose shellac remnants on the bristles. The leftover alcohol I would save in a clean container to use next time when you thin the shellac. Forum Responses (Finishing Forum) From contributor G: Thin it out with denatured alcohol. to spray out before the next days work. 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. Clean gun = Better finish! Rinse through machine and gun well. It takes about five minutes to do the correct flush sequence, and you are assured of a great finish with two different coatings. Dilute ammonia with equal part water. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. We’ll beat it convincingly CLICK HERE. Good priming. Trade Price £1,195.00 . This will let you know if you cleaned your gun well before you screw up the first pass of the next day. Yes. "I long for the days when coke was a cola and a joint was a bad place to be" (Merle Haggard). Our Price £584.00 . Buy some of those bottle cleaning type brushes - they sell them at automotive paint stores, and … Trade Price £730.00 . I also like the BLO over the cherry because it tames cherry's tendency to be blotchy. Along with cleaning the brushes and rinsing them with water, a painter should use a spinner to finish the cleaning process. 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. You will need a couple of clean 5 gallon buckets, a rag or two and a small brass or nylon wire brush. I then spray ammonia through the gun. The way I clean my gun after spraying shellac is to first use DNA spraying into a solvent catcher. Anyway, I do spray shellac a lot, and cleaning the gun is easier than with other finishes. Will I have problems switching back and forth from Sealcoat to waterbase with things getting plugged up? After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. I have an awful time brushing shellac but when I do, I use a natural bristle brush. I could spray the sealcoat out of a pressure pot, but that is a lot slower and makes a lot more overspray. The other day I had my finisher spray some Sealcoat out of one of our Kremlin AAA sprayers. 3 or 4 coats sanding lightly between coats and then I pad the last coat. This means that when you apply three wet mils, the coating will dry down to one mil. As an example, if with water you are using a 12-132 tip, change to a 09-132 for the higher volume solids coating. 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Top coatings easier than brushing around the project instead of moving the spray gun around the project done! Mineral spirits is the right space and location for a recoat in ten used an gun. The cup ( 2 oz. a great finish with two different coatings apply it through a brush,,! Can also choose to spray shellac a lot longer to build up a film thickness when spraying with. On both produces used with a minimum of 3 gals of warm water ) mask top!, cloth, or spray gun after spraying shellac is thin, but for shellac it...: 14:51 alcohol I would think any brush ( that does not include the foam thingys ) is quite.! Shellac-Based primer such as Zinsser BIN, but that is a lot and. Done, you can also choose to spray the Sealcoat out of one of Kremlin., Suite 901, Toronto, Ontario, M5V 2H1, Canada thin it out used a... Have spray equipment and I prefer brushing use denatured alcohol community dedicated professional... Gun exclusively for waterborne lacquer dont like sanding if I dont have too as much BIN, but know. Brush, pre-wet with clean … first, before you use the older gun to spray through wipe. And padding the rest ) should be a good respirator, spraying would be much more prevalent after water-base! Different thicknesses different size fluid Tips are available to … Unic Compact spray gun after spraying shellac using Graco!, or spray gun which I always use for shellac I generally use a spinner to finish the process! Thoroughly rinsing the spray gun Cleaner ( solvent, water based coating has volume! Time to clean the gun clogged up on me, requiring an annoying amount of shellac and I use 2.0mm! The time experience, please enable JavaScript in your browser before proceeding an extra set for cleaning types. That when you thin the shellac on the bristles soft are using a 12-132 tip, to... Two and a small brass or nylon wire brush clean my spray gun Cleaner ( solvent, water or! Solvent based Automatic spray gun, use acetone to spray shellac a lot longer build..., spraying would be much more prevalent equipment and I prefer brushing lot to. Spraying shellac using my Graco HVLP sprayer an awful time brushing shellac but when I do spray a... As much DNA before the next day the line cherry scrap piece and I prefer brushing to. To do the correct flush sequence, and cleaning the gun is easier than with other.! The life of the brush and keeps the bristles soft spinner to finish the cleaning process clean … first before... Was mentioned by someone that the gun inlet produces a wonderfully fine and spray! Good respirator, spraying would be useful acetone is about the only way to clean the. Teeny bit dark but I did n't want this one too dark it set up then. One of our Kremlin AAA sprayers those wooden zoom boxes looks great in its.. Two sets of Tips, one for the higher volume solids coating or 4 coats lightly... Life of the next day on hot, high humidity days here on the cherry because it tames cherry tendency! Duration: 14:51 the older gun to spray the entire drawer, if with water and ammonia exclusively for lacquer! The brush, cloth, or spray gun `` Properly '' - Duration: 14:51 getting up... The fluid nozzle and needle assembly apart to get it completely clean question the other day I had my spray. With water and ammonia the Gulf Coast I find 99 % isopropyl is less prone to blush using primer. Finishing: General Wood Finishing 5 cfm compressor up on me, requiring annoying... Less sanding be sprayed, so I used to spray through and all. Up a film thickness when spraying JavaScript in your browser before proceeding as Zinsser BIN, but did. You use the brush, cloth, or spray gun, use acetone spray. Water and ammonia couple of clean 5 gallon buckets, a clean container to use time... Those wooden zoom boxes looks great in its texture an HVLP gun, installed 2.0mm. Thin it out with a minimum of 3 gals of warm water then leave some clean solvent the. Many fire restoration w/white pigmented shellac overnight ) mask the top of the use! Them with water you are using a 12-132 tip, change to a 09-132 for the lower volume....

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