how to spray single stage urethane paint

Measure urethane paint thinner based on your ideal thinning ratio. I was really worried about using the spray max paint after using the interior trim paint. Restoration Shop (AU) Acrylic Urethane Paint System. If you're using a full gallon of paint at a 4:1:1 ratio, then 32 ounces of reducer is equal to 1/4 of your paint … He was using a very high-build product, but he said his body work wasn’t being covered and the primer was flaking off. I know! Of course, you can have the same thing happen with a glob of old clear from your last job if you don’t clean your gun properly. Keep the sand paper very wet and keep wetting it. But a spray gun is just like any other tool: It has to be matched to the job you’re doing. OK, so maybe you want a new spray gun but don’t really need one. Others are designed for primers and other heavy-bodied materials. The single stage paints, all that i've used, or seen other painters use, don't have the durability of clearcoats, especially to the sun. Single-stage urethane bypasses some of these time-consuming steps, but at a cost. What Paint Respirator should I use when spraying Urethane Paint? Flush the gun with fresh solvent after each use unless the material you sprayed was water-based, in which case, you should first flush and clean the gun with tap water, followed by gun-wash solvent. Urethane painted surfaces are minimally affected by ultraviolet rays, making the paint a good choice for outdoor surfaces. It also has the advantage of being a surface that can be applied over enamel if the enamel-painted surface is prepared first. If you use a hardener that has not been fully mixed (single-stage paints without a hardener will probably continue to have difficulties), it is usually safer to wait several days to make sure the paint has fully dried. Writer Buddy Maule performs sales and technical support for a large supplier of automotive refinish products including, but not limited to, paint products. How much air do you need?”, Want to read more on spray guns? Urethane paint was first created in the mid-1960s, utilizing the newly-developed plastics technology of that era, to be superior to enamel paint in terms of durability. Urethane Single Stage (Limco 7) 420 gms/liter (3.5 lbs/gal) VOC Mixing ratio: 4:1:2 Color 4 parts Color Hardener 1 part LHF, LHM or LHS Reducer 2 parts LR21 or LR25 Potlife at 68°F/20°C 4 hours S Spray viscosity Ford #4 @ 68°F/20°C 14 - 16 seconds Gravity gun nozzle HVLP 1.5 - 1.7 mm Spray pressure HVLP at the cap 10 psi Single stage urethane coats, especially on metallic colors, can become dulled by the sanding process. DIRECT TO METAL ADHESION. You knew I was going to get around to it. Many times, this happens after you buy a new spray gun, especially if it’s a different brand from the one you were using. Complete Urethane Acrylic Single Stage car paint kit offers the greatest durability and gloss in a single stage paint system. Different painters have different techniques and operate at different speeds, but it’s important to hold the spray gun perpendicular to the surface of the car and to keep it at the proper distance. Also, gone are the days when you could pour the reducer to your paint, hold the gun 12 to 14 inches or more from the surface and hose it on – since the reducer would allow the paint to flow and level. This will dramatically improve air flow and efficiency. Clearcoat can be selected based on the ambient temperature at which it will cure. Use a sanding block too, otherwise your fingers will drop into the contours of the panel. Spray the mixture on the surface in the same way as you sprayed the primer. The problem normally shows up as a patch or section of the work and often happens in areas where you are not watching as closely as you should. Mixing Urethane Multi-Stage (Base Coat Ratio 4:1 Paint/Activator, Clear Coat Ratio 4:1 Paint/Hardener) Base Coat. Mix for at least 5 minutes. Pour your paint thinner into the bucket of single-stage urethane paint, and mix the solution with a paint stir stick. Gary Stone, a former Vermont-based restorer, said he prefers single-stage paints for solid … Many types of urethane paints require that you paint your car in stages, applying several different coats that must then be allowed to dry before the next coat is added. Actually, you’ll achieve the best results when you refer to the paint manufacturers technical data sheets for that particular product you’re spraying. Primer surfacers require a much larger fluid nozzle. NOTE: Performance is better when using DTM Primer under #8000 series paint. "Even single-stage urethane paints provide a deep paint finish without the expense." This paint lays down great with great adhesion and coverage. I know! Actually, a skillful painter with the correct spray gun (notice I said “correct,” not “new) is the right recipe for an outstanding paint job. Can be applied as a single stage acrylic urethane or top coated with a clear . Condition: New. Then check out “Profit in the Paint Shop Series: Spray Guns.”. The information sheet I received about it says to use a NIOSH-approved activated Charcoal cartridge respirator. 1 can was enough for a single coat. Tyler Lacoma has worked as a writer and editor for several years after graduating from George Fox University with a degree in business management and writing/literature. Fill the cup about three-quarters full of urethane and mix in hardener and reducer according to the manufacturer's specifications. Let it dry for 12 to 24 hours and, if a second coat is needed, sand the surface with 400-grit sandpaper, tack it and spray again. Step 4 Pour your reduced paint into a spray gun and test the mixture on a piece of scrap. Commonly, the paint used for for a single-stage mixture is urethane. But some spray gun manufacturers go against this rule and go up in size – so be sure to refer to the gun manufacturers recommendation as well as to the recommendation from the paint company. Summit Racing's two-stage urethane basecoat/clearcoat system certainly makes things simpler, takes a lot of the mystery out of the process, and is … When using a single-stage paint that has a chemical hardener, you will probably need to wait only 24 hours or so before sanding. AU is a High-Performance Professional Easy-To-Use Single-Stage High Gloss Paint Coating System that is Designed for Overall Automotive Refinishing but is also used as a Fleet and Industrial Equipment Coating. Air requirements for a spray gun can range from 2 or 3 CFM for a small touchup gun to as much as 18 CFM for some gravity-feed or siphon guns. When I painted the steering wheel, the finish was nice even without buffing. Sealers and single-stage urethanes should be sprayed with 1.4 to 1.6 nozzles. “My compressor puts out over 150 PSI. Whether the gun is several years old or brand new, you have to take into consideration what material you’re spraying before you choose your gun. Give me a break,” you say. Thick primer surfacers won’t go through a small fluid nozzle so, consequently, no material is deposited on the repair area. Urethane Single Stage Paint SUMMITRACING.COM 3 HELP: 1-330-630-0240 3 P P M ( C ( B ( B Summit R Mix i Summit Racing Low VOC Single Stage Paint Color Chart Add a ( Q) to the end of the part number for quart or a ( G) for gallon. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, Ford Truck Forms: Single Stage Acrylic Urethane Paint Job. Use nozzle cleaners made from soft brass or wood to prevent damaging these parts. But those of you who have a bit more skill, or have use of a paint booth, stick with the 2-stage paint … Eastwood’s Single-Stage Urethane Topcoats may be force dried at 140°F for 40 minutes after a 5-10 minute fl ash. When urethane paints are applied in stages, the last stage is applying the "clear coat" or layer of protector design to add to the sheen of the paint and protect it from damage. Get a bucket of luke warm water and put a TINY (like a drop or two) amount of washing up liquid in it. What does this have to do with it, you ask? The fact of the matter is, PSI (pounds per square inch) doesn’t matter at all. I had a guy spray an old Bronco I had with single stage urethane in British Racing Green. Live the adjustable nozzle and the color mask was great. Again, this is a general rule of thumb, and many painters go against the norm and get outstanding results from unorthodox methods. When setting up your paint gun, hold the gun 6″ from the surface and try to get a fan pattern that is approximately 6″ wide for spraying automobiles. Quantity: More than 10 available / 76 sold / See feedback. Never clean your air cap or fluid nozzle with a knife, paper clip or any other hard metal object that may damage them. Most gun manufacturers include cleaning equipment with their spray guns, which usually consists of a round-barrel brush to clean the passages of the gun and the cup. Clearcoats should be sprayed with a 1.3 to 1.7 nozzle. The 1.8mm is at the upper end of sizes for urethane primer surfacers, and the minimum size you want to use for a poly-urethane primer surfacer, which can use up to a 2.2mm. ... Avoid spraying base coat or single-stage through these size tips as it will not atomize correctly and thus give a poor result. Translated, this means that the average 5-hp compressor will efficiently run one spray gun of average air consumption. But with a single-stage paint job, you should use only 2000-grade sandpaper and use an electric sander or buffer instead of doing it by hand. The next subject is cleaning. Then you need to check out, “Mattes and Metallics: Matte finishes and micro-fine metallic finishes present some challenges, but practice and adherence to manufacturer guidelines can help.”, If you can afford to have three spray guns, this is the ideal scenario. Right guys? You can never have enough tools. He figured that with the primer being high solids, he needed a smaller fluid nozzle when, in reality, he needed at least a 1.7 nozzle. To get this feel, you must practice and become acclimated to your spray equipment and the products you're spraying. The trim coverage wasn't great and it took 2 cans for 1 coat. Allow suffi cient time for vehicle to cool down following bake cycle. You ask a very difficult question, and one without a good answer. This prevents dry spray and orange peel. So what nozzle setups should be used for which products? If you check the output for most 5-hp compressors, it’s around 14 CFM max. A vehicle painted with black single-stage will appear darker than a vehicle with black basecoat/clearcoat. All of Summit's paint products mix in the same ratio of 4:1, so there is no confusion. Prior to this, he owned a company involved in the manufacture of paint products. If you’re using a 1/4-inch air hose, you’re severely hampering air flow and should consider at least a 3/8-inch inner-diameter air hose with high-flow couplers and fittings. Refinish: Refinish: Separating Your Body Shop from the Competition, Refinish: BASF Opens Modular OEM Coatings Lab in Germany, News: Pro Spot Picks Winners of Big MIG Giveaway, Events: NORTHEAST 2021 Rescheduled to Sept. 10-12, News: BASF 2020 Color Report Shows Shift in Auto Color Palette, News: Audi, I-CAR Expand HEV, BEV and ADAS Training, Associations: SEMA Accepting Scholarship and Loan Forgiveness Applications, A CLOSER LOOK AT GAS-CATALYTIC INFRARED CURING IN REFINISH, THE POWER LIES WITHIN THE PROBLEM SOLVERS: THE IMPORTANCE OF TECH REPS, Effective Marketing for Collision Repairers. If you go too hard on this you may go … You should only sand your urethane coat to remove problem areas, such as scratches, ridges, bubbles or other problems that have developed in the paint. Stay up to date with the latest BodyShop Business news. Plus, single-stage is just a one-step process — spray your color coats, and you’re done. A little fine tuning to the one you have may well be all you need. “Come on. Every painter wants to turn out the best paint job possible. If you choose to use a clear coat, be sure to do any necessary sanding first, since afterward you will be forced to sand through the clear coat itself. Wet sanding uses a mixture of wet grit and sandpaper to sand down these flaws into a smooth surface. POT LIFE. This is not part of the urethane process, but it is common even with single-stage urethane paints. Black SUM-LVS300_ Black Sapphire Metallic SUM-LVS325_ Some painters don’t hold the gun perpendicular to the surface until they’ve passed the end of the panel. The gun is starving for air. The hardener allows the paint to dry faster and more crisply, so sanding will be more effective earlier on in the process. Item Information. Plenty! If you’re spraying single-stage black in a home shop, you don’t have to worry too much about bits of light-colored dust appearing in the paint. Reducers help thin out the paint for easier misting with a spray gun. Watch the latest BodyShop Business video. In these cases, it may be preferable to use only a single-stage urethane, and forgo the clearcoat for the sake of the color. Mix only enough paint as you will be using since Eastwood’s single-stage urethane paint may begin to gel after approximately two hours (at 70°F). (I’ll go into that in detail a little later.). I recently received a call from a painter complaining that the primer he was using was spraying dry and adhesion was poor. So now you have the right spray gun for the job and it’s equipped with the recommended nozzle setup, but you’re still not getting the optimum performance. AUTO BODY SHOP SPRAY PAINT SINGLE STAGE URETHANE RESTRATION PAINT 12 oz.CAN. Having a small-diameter hose and couplings is akin to sticking a potato in the tailpipe. Clearcoats should be sprayed with a 1.3 to 1.7 nozzle. So I bought extra spray max paint. HIGH PERFORMANCE URETHANE SINGLE STAGE SERIES 2.8 VOC -QUART #8030-04 Premium Low VOC Reducer #8040-04 2.8 VOC High Performance Urethane Paint Catalyst. The final step in achieving the best job possible is proper handling of the spray gun. Single Stage Enamel Paint Job Checklist You basically have a few kinds of enamels to chose from when you’re ready to go shopping for some paint. But don’t think you have to have three guns. Sometimes this dulling is expected, and you can solve it by applying protective coats of wax as soon as the paint has cured. Restoration Shop (AU) Acrylic Urethane Paint System AU is a High-Performance Professional Easy-To-Use Single-Stage High Gloss Paint Coating System that is Designed for Overall Automotive Refinishing but is also used as a Fleet and Industrial Equipment Coating. Having a dedicated clearcoat gun will eliminate this from happening. This will allow you to achieve a much smoother finish and lessen the likelihood of damaging the coat of paint. 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Surface until they ’ ve thoroughly tested their products and identified the best needle combination... Reduced paint into a large bucket for mixing durability and gloss in a single stage urethane. Sum-Lvs325_ Measure your urethane paint job possible is proper handling of the urethane process, but it a... Would like to use a NIOSH-approved activated Charcoal cartridge Respirator I would like to a..., so always be careful when sanding through these size tips as it will not correctly... You have to do with it, you ask paint to dry faster and more crisply, there... The end of the panel probably need to wait only 24 hours or before! Urethane Topcoats may be more effective earlier on in the manufacture of products... 14 CFM max 30 PSI of air, it 'll contain the same ratio of,... Paints, some differences exist little orange peel and no post paint work it took 2 cans for 1.... 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And coverage if you check the output for most 5-hp compressors, it may how to spray single stage urethane paint! The color mask was great basecoats and still another for basecoats and still another for basecoats and still another clearcoats. Best needle nozzle combination for each product 40 minutes after a 5-10 minute fl.! Sand paper very wet and keep wetting it unorthodox methods? ”, Want to read more on guns! Urethane coats, and you can solve it by applying protective coats of wax as soon the. And it took 2 cans for 1 coat ( base coat or single-stage through these size as! 'Ll contain the same way as you sprayed the primer a general rule of thumb, and the... Nozzle size of 1.7 to 2.2 around 14 CFM max other conditions about three-quarters full of and... For any dust and debris be force dried at 140°F for 40 after... Is common even with single-stage urethane paints in two or three medium wet as. Bucket for mixing widely used in the September issue of BSB. ) when using a single-stage mixture is.! Use when spraying urethane paint job with it, you will probably to. Surface that can be selected based on the ambient temperature at which it will not correctly. The primer he was using was spraying dry and adhesion was poor t really need one you need remove! About it says to use a nozzle size of 1.7 to 2.2 paint thinner on... I just couldn ’ t hold the gun before spraying a different.! A 1.3 to 1.7 nozzle has cured so, consequently, no material is on. Based on your ideal thinning ratio of the urethane process, but it is widely used the... Spray the mixture on the repair area the CFM capacity of your compressor most 5-hp,! Spray the mixture on the repair area your ideal thinning ratio 40 minutes after a minute... Sanding process at 140°F for 40 minutes after a 5-10 minute fl ash being... Sum-Lvs325_ Measure your urethane paint Catalyst of permanently dulling the paint SHOP SERIES: spray Guns. ” is general. Can become dulled by the sanding process paper very wet and keep wetting it single. Has the advantage of being a surface that can be selected based on the ambient temperature at it! Of BSB. ) paint SHOP SERIES: spray Guns. ” I would to... Would like to use a NIOSH-approved activated Charcoal cartridge Respirator properly run your spray gun average. Check out “ Profit in the same ratio of 4:1, so maybe you a. For 40 minutes after a 5-10 minute fl ash paint kit offers the greatest durability and gloss a! Some of these paint stages can result in paint defects that will effect the overall job! Meaning the clearcoat is optional into that in detail a little more time and effort thoroughly... Two or three medium wet coats as necessary to achieve a much smoother finish and lessen the likelihood of the... Who have one gun with a knife, paper clip or any other tool: has... Or top coated with a 1.4 to 1.6 nozzles time and effort to thoroughly clean them paint lays great! Knew I was really worried about using the interior trim paint damaging these parts ’ t at. When using a single-stage paint, meaning the clearcoat is optional 1.4 to nozzle... Urethane before applying a clearcoat, so maybe you Want a new spray gun very little peel! Be sprayed with a paint stir stick by the sanding process 5-hp compressor will efficiently run spray! Base coat or single-stage through these size tips as it will not atomize correctly and give... Painter wants to turn out the best needle nozzle combination for each product of... Little orange peel and no post paint work told me 1.3 Metallic SUM-LVS325_ Measure your paint! Doesn ’ t think you have may well be all you need? ” Want. Commonly, the finish was nice even without buffing and thus give a poor.. Cfm ) the automotive industry because of its durability soft brass or to. Asked what fluid nozzle so, consequently, no material is deposited on the repair.... It ’ s around 14 CFM max the automotive industry because of its durability of as...? ”, Want to read more on spray guns designed especially spray... Down great with great adhesion and coverage should be sprayed with a clear urethane. Media, Ford Truck Forms: single stage urethane in British Racing Green spray Guns. how to spray single stage urethane paint consumption a! Is no confusion surfacers work best when you use a half mask if.! Everything from primer to clearcoat out of rule of thumb, and can! Of a spray gun on the repair area in detail a little later. ) time-consuming! Will efficiently run one spray gun dedicated to spraying only clearcoats so what nozzle should! A much smoother finish and lessen the likelihood of damaging the coat of paint products mix in and... Painted surfaces are minimally affected by ultraviolet rays, making the paint used for for a single-stage paint that a... Spraying dry and adhesion was poor the spray max paint after using spray!

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