I have done many fire restoration w/white pigmented shellac. I am a new construction residential painter, so using HVLP is still pretty new to me. If it is done right most times you will not even know witch product you are using. I know to clean it with denatured alcohol, but is it was i also use to flush the fluid before i start using the shellac primer? No need to clean out you sprayer until the project is done. BIN is pretty darn thin. Be careful not to release any paint thinner into the can. An airless or HVLP sprayer is commonly used to paint things such as furniture or vehicles that require a clear finish coat like urethane. If you want to learn all about Airless nozzles, read our Ultimate Airless Spray Tip Guide here (article).. 3. The final rinse with denatured, though probably not necessary as ammonia mix cuts it well. Step 1 - Choose the Cleaning Solvent All spray guns require that you flush the sprayer with a solvent after painting. No, but a guy near me blew himself up last year in a shop while spraying lacquer. Dried white paint on it. Urethane bonds to the surface it is sprayed on, and is a durable type of paint material. November 27, 2007, KnowledgeBase: Finishing: General Wood Finishing. Happy Spraying! How often should I clean my airless during an 8 hour day? One other option is to use oil dry fall. Spraying increases the amount of volatile gases in the air and should only be used in a very well ventilated area … Release trigger and engage trigger safety. I have to spray every square inch of this two story house. Normally we tint to the color of new lumber. Some materials are difficult to get out of the pump when cleaning an airless sprayer. For now I use a 4hp 13 gallon air compressor to spray stains and sealers and it works beautifully. If it’s old, it may need to be replaced entirely. Bin is 60% alcohol so if all those gallons were evaporated I think it might have been within the explosive limits. I have learned a lot from talking to auto body painters and wood finishers about the use of HVLP as well as just experimenting all the time, but it's the gun care and maintenance that is getting me. i'd certainly look to use fresh-air breathing apparatus if i had to spray 100 gallons of BIN. TINTING B-I-N Shellac-Base Primer may be tinted with up to 2 ounces of universal colorant per gallon. Next time you need that brush, soak it in denatured alcohol for a bit and wipe it off. To help clean out these materials use dish soap in the last 4-5 gallons of clean water. This is a huge two story victorian home. I was outside priming some replaced shingles around the basement window! First Mineral spirits then a little detergent (Dawn OR Tide) and water mix then clean water flush. Cleaning the entire system out; Step by Step Guide to Clean a Spray Gun (Graco, Airless and Wanger) Follow all the cleaning steps in the right order when cleaning a paint sprayer. instructions when using spray equipment. When cleaning your airless after running shellac through your pump. Clean Filters, Tips & Guard. Taking an empty second bucket, spray the remaining liquid until you get a clear and clean spray. But, it will certainly do the job. It was dim so one of the guy took out his lighter for some light and the other knocked it out of his hands before he could light it. He knew I was asking about BIN, so I'm assuming > that's also for the BIN. I clean with ammonia water mix approx 1/3. I then just re-soak the brush and spin it out. with a HPLV sprayer how do you keep the sprayer from hardening up between coats? If you want to not risk the sprayer (unless someone else here has experience with it) you can go to an oil sealer. Poke a hole in the top, stick the handle through it, and then stick a nail or something through the hole on the brush handle to suspend the brush. My only reservation now is the expense of a explosion proof spray setup, so I have to go outdoors. Cleaning paint spray nozzle with needle. Spraying it isn't really any different than any other product. From contributor P: I have done many fire restoration w/white pigmented shellac. When spraying poly, varnish, lacquer, shellac ect. The were here to stay and the outcome has proven ideal for coating all kinds of pieces with just about any kind of finish, so for water-borne finishes, oil finishes, dyes, stains and water-based paints and also shellac I was a very happy worker of wood. (Finishing Forum) I have to coat every piece of wood, studs, walls, ceilings, floors, etc. Not only that, for the first year I owned my compressor, I did not know that I had to drain the tank after every use. You may clean the filters along with the tip and tip guard using flushing fluid and a soft bristle brush. JavaScript is disabled. While spraying,(even overnight) mask the top of the 5 with plastic and tape. Come join the discussion about the industry, safety, finishing, tools, machinery, projects, styles, scales, reviews, accessories, classifieds, and more! Use shellac if you wish, but after over forty years I still topcoat it with a thinned layer of varnish to protect the shellac. As per my judgment, a 5-gallon bucket will serve the purpose. At this point I'm convinced spraying shellac is an excellent option, especially if a top coat of something tougher is used. 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. Just make sure to clean it well. I've sprayed tons of Bin through my pump with no problems. Next you'll want to clean out the suction tube and the spray nozzle. Move airless gun to flushing pail. Any suggestions? Start with removing any excess then clean the filters, nozzle, and gun. Turn prime valve down (open position) and allow flushing fluid to circulate for 1 to 2 minutes to clean drain tube. > > The guy at Zinsser said they recommend .05"-.07" (1.3-1.8mm) for HVLP > for all their "paints." Though each model might differ slightly, the main components are generally the same. Your sprayer is now clean. Cleaning Airless sprayer gun. Hold spray gun against pail and trigger gun to thoroughly flush system (until flushing fluid runs clear). Dilute ammonia with equal part water. Don't let anyone turn you off on shellac. I grew up in an old-timey shop and we never bothered cleaning shellac brushes. HVLP sprayers were easy to work with and could be adjusted to all but a pin prick in diameter. What is a good cleaning method to keep the brush from stiffening? Step 2: Keep running the paint gun until the clear water comes out. Cleaning an Airless Paint Sprayer Not only does a paint sprayer help finish any painting project faster, sprayed paint also looks better and in less work than rolling and brushing. For a water-based paint, flush cool water; for an oil-based paint, use lacquer thinner; for shellac, flush with denatured alcohol. Step 3 - Scrub Clean. Always use de-waxed shellac if you do topcoat with varnish. And second, if you want a glass-smooth finish on woodwork or doors, the airless sprayer can lay the paint on flawlessly. First on the sprayer when cleaning the sprayer using the thinner of the material being sprayed. Use mineral spirits to remove oil-based primer from the sprayer. Have gone through drums of it for this type of work. Many years ago on a fire job my dad had two guys spraying 45 gallons of bin in a basement. Consult your owner's manual. Properly used, it's great stuff. The leftover alcohol I would save in a clean container to … Some of it goes away with Lacquer thinner and Acetone, but most of the paint remains. Inspect each part for damage and wear. Cleaning can be done with warm water, soap, and latex-based solutions. We have a dedicated article on how to clean an airless sprayer. From contributor R: First, before you use the brush, pre-wet with clean alcohol. TIP: Pam says, “If you plan to stop spraying for a short period of time, you can submerge the gun in a bucket of water or solvent if using oil paint. Disassemble the gun and fill an empty bucket with two cups of paint thinner, adding the individual parts to soak in the bucket. What is the best way to clean my airless spray tips? Varnish has a strong tendency to yellow but the shellac is applied in various shades of amber. What a surprise when I finally did. Has anyone every sprayed alcohol based shellac? Its going to take atleast 60-100 gallons. A forum community dedicated to professional painters. Forum Responses He was in an un-insulated shed he was using as a spray booth in the winter, and a space heater kicked on. I am spraying Zinnser Shellac to fire seal a building that had a fire to seal all the smell and toxins from the fire. Follow with a flush of alcohol. 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. An airless sprayer works by pumping paint at a very high pressure, up to 3,000 psi, through a hose and out a tiny hole in the spray gun tip. How to clean airless spray tips? Clean the filters along with the tip and tip guard with flushing fluid and a soft bristle brush and inspect them for any damage; If you’ve flushed your sprayer with water, flush it again with mineral spirits or Pump Armor to leave a protective coating which prevents freezing and corrosion I know how quick it dries so I dont want to ruin my airless and tips. Some Graco airless sprayers have a hose attachment which can be used to aid in cleaning water-based paints (but not oil-based paints or stains). 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. I have never sprayed BIN so I cannot say how it will affect your sprayer at all. Then in a bucket or other container along with the guard and using a small stiff bristled nylon brush and the thinner of the product being sprayed to remove as much material as possible. I have also gone through about 3 siphon fed detail guns I use to apply stains and sealers, but it is getting to the point where I won't run de-waxed shellac through my gun because I can't clean it properly. To clean the tip, generally a cleansing agent is used with a special container, shaped like an egg-timer: you put in it your spray tip, turn it upside down and let the cleansing agent do its job. But after the job is done, it is very important to clean the paint sprayer thoroughly, inside and out. This professional-grade product works with both oil-based and water-based paint, and it can be used to transform virtually any room or … The 3 main parts to clean are the device as a whole, the nozzle, and the gun.At the start of the cleaning, you can keep the tool assembled to remove the majority of the materials but later on, you will need to pull off the gun and nozzles for closer handling. … Wear NIOSH approved respirator and provide adequate ventilation. Next step for me is to try out waterborne shellac. http://www.davidspaintingandwallpapering.com, http://www.californiapaints.com/Find-a-Product/Interior-Products/Interior-Primers--Alkyd/Prime-Choice-Low-Odor-Primer.aspx, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Came from a metal fab plant . > The BIN instructions only talk about an airless sprayer. Will it ruin my Graco airless? The issue is what it'll do to you. 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. Ammonia is a lot cheaper and safer to use. If a conventional sprayer is used, spray at 45-55 psi. When cleaning paint sprayer, it is better to take the device apart so that you ensure that you are getting into all the crevices where your material and debris might be. Rinse through machine and gun well. Question He didn't die, but he doesn't live well, either. No need to clean out you sprayer until the project is done. Find a dealer today! Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Tips on cleaning up equipment after applying shellac. Low odor 207 would be an alternate option. Spraying that much will not be good for you if using a regular respirator. Warm water also helps. The SprayStation HV5500 is a semi-professional unit designed for light contractor jobs, wood workers, serious DIY and automotive enthusiasts. i also have a seperate airless hose line and whip that is used only for oil based coatings and is only cleaned with mineral spirits. Ventillation was just the open door at top of stairs The breaker popped so they went to reset it. Some of these take some time to dry in between coats and cleaning out the sprayer in between every coat is not that efficient. On brushes, why bother cleaning them if all you use them for is shellac? Anyone have any tips on how to go about this project? Another inexpensive cleaner for your guns is a strong solution of 20 Mule Team Borax. My only problem is that I think I need to start using some kind of oil and water dryer because I get small water droplets every so often that shoot out of the gun and onto the surface I am finishing. If you're spraying shellac-based primer you can clean the sprayer with ammonia or denatured alcohol. Just hang them and let them dry where they can't get all dusty. I'm only 20 years old and I want to gain as much knowledge as possible on everything that has to do with wood finishing because it is hard to find people nowadays in my field that actually know about the materials they are using. I use Zinsers de-waxed shellac for both brushing and spraying purposes. For a better experience, please enable JavaScript in your browser before proceeding. > > I do not use shellac and I don't spray. I agree with Xmark about using a fresh air apparatus. Let’s find out how we can clean airless paint sprayer. The Impact® 540 electric airless sprayer is a step-up performer designed for more extended use for residential & municipal projects. If that's a success I'll invest in a serious compressor. For airless spraying use a 0.011"-0.013” tip at 800 to 1200 psi. 2 Graco commerical pneumatic airless sprayers. Shellac Lacquer Sealer *Lacquer Thinner, Xylene, Toluene, Acetone, MEK (Methyl Ethyl Ketone) Denatured Alcohol, Turpentine, and Naphtha and any other solvent-based flammable cleaning materials can only be used for cleaning, not spraying. In addition to the filter in the gun and the nozzle, the gun itself and the nozzle holder should also be cleaned. Big jars are great for this. I clean with ammonia water mix approx 1/3. In the past I have always applied my clears and stains with an airless pump, but even at real low pressure with a fine tip, it's just too much. Use denatured alcohol or ammonia to clean and you should be good. Thanks.. 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. On your spray guns you will need to take the fluid nozzle and needle assembly apart to get it completely clean. Anyone who has ever sprayed shellac or alcohol based product I could use some advice. Comment from contributor D: My $.02 FWIW After running the dilute ammonia, rinse out with a minimum of 3 gals of warm water. When I am done, I rinse the brush with denatured alcohol to dissolve all of the shellac, but by morning, they are hard as a rock. This is usually easiest with the brush that Wagner provides with their spray guns since it'll be able to get into all the little nooks and crannies. Step 1: Fill a bucket with clean water. Clean and dry all parts including the spray tip, tip guard, gun filter, and inlet strainer. If you have an airless paint sprayer, the spray tip may be clogged which can significantly reduce pressure. I was wondering if anyone knows about what to use to flush storage fluid in an airless sprayer when using shellac. Just let the spray tip sit in the container from 15 minutes up to 1 hour. These are water based epoxy and elastomeric coatings. Step by Step Guide. While spraying, (even overnight) mask the top of the 5 with plastic and tape. Any advice on products to use to remove the paint? If so, remove and clean it. The varnish does yellow slightly. If you're interested in the whys and wherefores of finishing, you should have Flexner's book, "Understanding Wood Finishing.". Then they were yelling at each other. Step 1: Prepare the Paint Sprayer for the Cleaning Anyone know a more cost effective product to use besides Zin B.I.N.? Is that correct. Many Graco sprayers have a "wet cup" that must be kept one-third full of Throat Seal Liquid (TSL) in order to work properly. 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