The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (2023)

If you are thinking of carrying out a painting project, you will need the best primer spray gun. Understand that you need to add primer to your project before applying paint to get a smooth and professional finish.

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However, picking a suitable sprayer for the task is not as easy as it seems. Note that you will have to choose one model from hundreds of options in the market. It is, therefore, quite vital that you understand all the things you need to consider when buying a suitable primer spray gun. Having a good quality finish will ensure that your project was worth all the time and effort. Understand that it would be rather frustrating to end up with a poor finish simply because you did not use the best spray gun for primer.

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (1)

Luckily, I have put together an extensive review to help you pick out a suitable primer spray gun. Well, lets us start by looking at your top 7 options before moving onto the buyer’s guide.


Product Name



Top Pick

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (2)

TCP Global

1 Litter aluminum Fluid cup, operation pressure 40 PSI

Overall Pick

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (3)

Neiko 31216A HVLP

Aluminum cup with lid to hold 600 cc, operation pressure 29-50 PSI


The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (4)

DeVilbiss 803560 Primer

Paint Cup included, pressure 13 CFM

Top 7 Best Primer Spray Gun – Reviews

1. Neiko 31216A HVLP Gravity Feed Spray Gun

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (5)

The Neiko 31216A HVLP Gravity Feed Spray Gun is an ideal choice for individuals on a budget. This primer spray gun comes at an affordable price without compromising on the quality of the finish. You will enjoy working with this sprayer due to its simple and straightforward design.

The Neiko 31216A HVLP Gravity Feed Spray Gun features high-quality construction with a stainless-steel nozzle. Note that the sprayer body is also constructed from steel to ensure you get long-lasting services. Because you will be using your gun for several tasks in the home or workshop, it is always a huge advantage when you have a long-lasting construction.

What I found rather interesting with this model is the classic HVLP fluid delivery system. You also get adjustable knobs that guarantee precision painting. Understand that different types of projects will need a specific flow rate, pressure, and spray pattern. This impressive machine gives you the versatility to work on all different projects. That is why it is one of our top choices for best HVLP spray gun.

The Neiko 31216A HVLP Gravity Feed Spray Gun comes with a 2.0mm nozzle that is excellent for primer. You will not have to worry about getting an inconsistent finish when you purchase this spray gun. You can also use this sprayer for a variety of household and automotive painting projects.

It comes fully equipped with a 600cc aluminum cup that holds enough paint for small and medium projects. Now, the cup is easy to clean and will not spill any paint during the project. Ensure you always clean this sprayer after every project to guarantee a high-quality finish on the next project.


  • Easy to clean model
  • Durable and lightweight construction
  • Comes at a budget-friendly price
  • Included three adjustable knobs


  • You have to clean the sprayer after each use

2. Tekna 703566 Spray Gun

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The Tekna 703566 Spray Gun is an excellent choice for DIY enthusiasts and professionals. This spray gun comes with three different fluid tips to ensure you can work with any type of paint. You get a 1.2mm, 1.3mm, and 1.4mm fluid tip when you purchase the spray gun.

Understand that versatility is always key when buying any piece of equipment. With the Tekna 703566 Spray Gun, you can comfortably work on different types of projects. Use the 1.2mm tip for thin paint and the 1.4mm nozzle for thicker materials.

The Tekna 703566 Spray Gun also features a high-efficiency transfer system. Users, therefore, get to save a lot of money on materials. You will finish painting your project with less paint than if you used a different sprayer.

Interestingly, this sprayer can work effectively in all climates. The 900cc aluminum cup also ensures that you can comfortably work on large projects. When working with a big cup, you won’t need a regular refill during a project. You will, therefore, save a lot of time when working on a large surface such as indoor walls.

The Tekna 703566 Spray Gun features an ergonomic and lightweight construction that makes it perfect for both professionals and beginners. Its compact construction also guarantees you have a long-lasting device that can handle different types of paint.


  • High transfer efficiency
  • Can work with different paints
  • Works effectively in different climates
  • Compact and lightweight construction


  • Cleaning is a little bit difficult

3. DeVilbiss 803560 Primer Spray Gun

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (7)

Are you looking for a versatile sprayer to add to your collection? The DeVilbiss 803560 Primer Spray Gun is an excellent choice that features multiple fluid tips. You can use this sprayer for different types of projects around the home.

The anodized internal passages make it quite easy to clean this sprayer after a project. Understand that you have to clean your sprayer after a project to ensure you get long-lasting services. A clean sprayer will also get you a high-quality finish during your next project.

The DeVilbiss 803560 Primer Spray Gun delivers soft and uniform spray patterns that guarantee you get a smooth and professional finish. However, ensure you practice on a piece of cardboard to master your painting technique.

At just 2.29 pounds, this spray gun will have you working for long hours without getting fatigued. The precision fluid nozzles and air cap will help you get a smooth and even finish when working with primer. Note that this spray gun also features an ergonomic design, which means you can work with a single hand.

However, understand that the DeVilbiss 803560 Primer Spray Gun needs an air compressor that can provide 13 CFM at 23 PSI. If you don’t have an ideal air compressor, then you need to consider the price of a new one before making a purchase.


  • Lightweight and ergonomic design
  • Comes with multiple fluid tips
  • Anodized internal passages for easy cleaning
  • Delivers uniform spray patterns


  • Isn’t ideal for all types of paint

4. Astro Pneumatic Tool 4008 Spray Gun

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The Astro Pneumatic Tool 4008 Spray Gun is one of the easiest to use models in the market. Note that it features a simple and comfortable design that is ideal for both professionals and beginners. Because the body consists of only two pieces, you will find this tool durable and easy to maintain.

What I like about the Astro Pneumatic Tool 4008 Spray Gun are its adjustable features. For starters, you can adjust the fan between a range of 8 inches to 11 inches which is rather impressive. Note that adjustable features make it easy for you to use this sprayer for a variety of projects. You will also find it quite versatile since this gun can handle different types of paint.

The 1.8mm nozzle can handle most of the paints and primers that you through its way. However, this gun might not be ideal for latex paint since it is too thick. The good news is that you can always thin the latex paint before spraying it with this gun.

What I like about this sprayer is its anti-spill feature. Note that you can hold this impressive gun with any hand without having to worry about spills in the workplace. Your working area will, therefore, be easy to clean once you complete a project.

The Astro Pneumatic Tool 4008 Spray Gun is durable, easy to clean, and doesn’t cost a fortune. It is an ideal buy for the weekend warrior who needs a versatile gun that doesn’t compromise on performance. You will enjoy working with this sprayer on different projects.


  • The Anti-spill feature saves a lot of time in cleanup
  • Easy to clean and maintain the model
  • Adjustable fan control settings
  • It is ideal for beginners


  • Can’t handle latex paint effectively

5. Campbell Hausfeld General Purpose Spray Gun

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (9)

If you are looking for an excellent gravity feed sprayer for primers, the Campbell Hausfeld General Purpose Spray Gun is an ideal choice. It is an easy to use model that will get you a smooth and even finish when working on your project.

It is an HVLP sprayer that features fine atomization and low overspray. Note that HVLP sprayers tend to have considerable overspray. However, this model will let you adjust the spray pattern and airflow to reduce the amount of overspray. You can, therefore, save a lot of money on paint in the long run.

The 600 mL cup is ideal for both medium and small projects. You can effectively complete your project without needing constant refills. Understand that the cup also carries just enough paint to ensure the gun doesn’t get too heavy.

The polished aluminum construction makes it quite easy to clean this device after a painting project. You already know that you have to clean your painting equipment after every use to guarantee you get long-lasting services. The Campbell Hausfeld General Purpose Spray Gun can be cleaned quickly within a matter of minutes thus saving you a lot of time.

This impressive sprayer can work with lacquers, primers, basecoats, and urethane topcoats. You, therefore, get a versatile model that can be practical in all your automotive, furniture, and equipment painting.

However, consider that this spray gun needs 4.0 SCFM at 40 PSI. You must ensure you have a suitable air compressor before making a purchase. Understand that air compressors can be rather expensive and you need to consider the equipment requirements.


  • Is easy to use
  • Can be used with different types of paint
  • Large 600 mL cup
  • Easy to clean and maintain


  • It is a bit of an air hog

6. DeVilbiss 802342 Gravity Spray Gun

The 7 Best Primer Spray Gun 2022 Reviews – Toolblaze (10)

If you are looking for a sprayer that can handle different types of primers, the DeVilbiss 802342 Gravity Spray Gun is an excellent choice. This impressive machine is manufactured by DeVilbiss to guarantee a precision finish when working with primers and paint.

Since this machine was specially designed for beginners, it comes with everything that is needed for your first paint job. For starters, you get a hardback case to help you store all your painting equipment effectively. Note that the case also makes it quite easy to transport your paint sprayer without losing any components.

The DeVilbiss 802342 Gravity Spray Gun features a lightweight and compact design that ensures you can work for longer. The high-quality construction also ensures you get long-lasting use from your spray gun. Understand that sprayers cost a fortune and you need to get value for your money.

What I like about this primer spray gun is its simple to use design. Whether you are a beginner or a novice painter, working with this machine is simple and straightforward. By getting you more control, this sprayer ensures you always get a smooth and even finish.


  • Comes with a case and full starter kit
  • Lightweight and compact design
  • Ideal for beginners
  • Can handle different types of paint and primers


  • The regulator may have a few issues

7. TCP Global 9-piece HVLP Spray Gun

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If you are looking for more versatility, there is nothing better than the TCP Global 9-piece HVLP Spray Gun. This is a 3-gun set that includes high-performance spray guns with all the premium features and benefits. The good news is that it comes at an affordable price when compared to other similar models in the market.

With this set, you can spray base-coat, single stages, clear-coats, and primers without any problems. You also get to enjoy fully automated spray patterns which means you can work on both small and large projects. You will always achieve professional results when using the TCP Global 9-piece HVLP Spray Gun.

The 1.8mm tip gun is the ideal choice for primers, latex, and oil base. However, you can always use the 1.4mm tip fun for clear-coats and base-coats. It doesn’t get better than this when you love working on DIY projects.

What I like about the TCP Global 9-piece HVLP Spray Gun is the 1.00mm detail tip gun. Understand that this gun is perfect for those small touch ups. You will also find it rather easy to get to those hard to reach areas.

This extensive kit comes with a one-year warranty to give you peace of mind. You can start working on your projects knowing you are fully covered in case of faults or problems. The warranty also shows you the amount of confidence the manufacturer has in the product.


  • Comes with a one-year warranty
  • Features three high-performance HVLP guns
  • Lightweight and compact construction
  • Ideal for different types of primers and paint
  • Delivers a smooth and professional finish


  • N/A

How to Choose The Best Primer Spray Gun

As stated earlier, choosing the best primer spray gun is not going to be a simple task. If you have never purchased a spray gun in the past, then you need to know how to choose the right model for you. Luckily, I have compiled everything you need to consider when purchasing the best primer spray gun.

Cleaning Options

You will quickly learn that different primer spray guns will have a different cleaning procedure. Note that some are difficult to clean while others are simple to clean. For starters, avoid the models that have to be completely disassembled during cleaning.

Although cleaning an entire sprayer is ideal, you will spend a lot of time assembling and disassembling the machine. You are better off with a model that can be connected to a garden hose for faster cleaning. However, if you have the time, then you can always go for the other models.


You have probably noticed that primer guns are quite costly when compared to other spray guns. Well, what would help you get peace of mind while using your expensive gun is an extensive warranty. It can be quite frustrating when your sprayer breaks down on the very first task.

Understand that having a warranty gives you some kind of safety net. Generally, look for a model with at least a one-year warranty when shopping around for the best primer spray gun. It would also help if you purchased a spray gun with several replacement parts.


You need a lot of controls when buying the best spray gun for primer. Note that a lot of primers will come with different thickness. You will, therefore, need to change the speed flow and paint flow constantly depending on the type of primer.

If you are thinking of using your sprayer for multiple projects, then the adjustable features will always come in handy. Having a versatile model ensures you get value for your money. Note that every project will need different speed and paint flow settings.


When looking around for the right primer spray gun, you have to consider the weight. Note that you will have to hold your gun for long durations at a single time. A heavy gun will require frequent rest breaks which will impact the quality of the finish.

However, note that a lightweight sprayer will not be ideal for a large project. This is because you will need to frequently fill up the paint cup. Understand that a powerful sprayer will always be heavy due to the motor size.

About Primer Spray Paint

Primer spray paint is used to prepare wood, metal, or canvas before painting. Note that the primer functions as a sealant before you can start applying the paint. When used on wood projects, a primer spray will help avoid an uneven finish. There will be even penetration on the bare wood, thus ensuring a high-quality finish.

Note that primer spray paint is also used on metal surfaces to increase corrosion resistance. Understand there are many different types of primers specially designed for different types of surfaces. You must, therefore, choose the right primer for your project.

Some of the benefits of using primers include the following:

Increase spray paint adhesion

Improve corrosion resistance

Ensures you get a smooth and even finish

Smooths out uneven surfaces

Final Verdict

Although our list contains the best primer spray gun options in the market, my top pick has to be the TCP Global 9-piece HVLP Spray Gun. You get to have three high-quality spray guns that can handle all the different types of paints and primers. This extensive kit comes with a one-year warranty, all the adjustable features, and a detailed user manual.

You will enjoy working with the TCP Global 9-piece HVLP Spray Gun since it gives you a lot of options. Once you understand how to effectively use each of the guns in the kit, you will find it easy to finish painting tasks quickly and effectively.

We hope that our top 7 picks will help you find the best HVLP spray gun. It would also help if you looked at customer reviews before making a purchase. Remember you need a machine that can guarantee high-quality long-lasting services.


Can I use a spray gun with primer?

Yes, you can use a spray gun when working with a primer. However, understand that not all spray guns can effectively handle primers. Ensure you find a suitable model that can work with primers before you start the project. Look through our extensive list to find the right primer spray gun for your next task.

What PSI is ideal for spraying primers?

A PSI of around 28 is sufficient for spraying primers. Understand that most HVLP guns will require somewhere between 10-14 scfm at 40 PSI to give you a smooth and consistent finish. Understand that your specific spray gun will also dictate the amount of PSI that you need to use. Ensure you look at the user guide to find a suitable air compressor for your spray gun.

How many primer coats do I need?

One or two coats is adequate for most projects. However, the number of primer coats that you will need will always vary from project to project. factors that will influence the number of primer coats include the paint color, surface material, and the type of primer. However, always use about two coats of primer when working on most projects in the home.

Should I thin primer for my spray gun?

Some spray guns will need you to thin the primer before you can start your project. However, use mineral spirits for oil-based primers and clean water for water-based primers. Keep track of the fluid during thinning to avoid compromising the quality of the finish.


What is the best spray gun for primer? ›

Primer Spray Gun Comparison Table
Best for AutomobilesBest for AutomobilesWagner Spraytech MotoCoat
Best HandheldBest HandheldGraco 17D889 TrueCoat 360 VSP
Best Airless Primer Spray GunBest Airless Primer Spray GunWagner 0580002 Control Pro 190
6 more rows

What's the best spray gun on the market? ›

Best paint sprayers
  • Best overall: Graco Magnum X5 Stand Airless Paint Sprayer. ...
  • Editor's pick: Wagner Spraytech 518050 Stain Sprayer. ...
  • Best for low prices: SPRAYIT SP-352 Gravity Feed Spray Gun. ...
  • Best carted paint sprayer: Graco Magnum X7 Cart Airless Paint Sprayer. ...
  • Best HVLP sprayer: HomeRight Paint Sprayer Super Finish Max.
Dec 20, 2022

What PSI should I spray 2k primer? ›

Adjust air pressure at the gun to 40-50 psi for siphon feed guns or 6-10 psi when using a HVLP. Use less pressure to minimize over spray on small jobs. Apply 2-3 medium wet coats at a gun distance of 8 -12 inches as needed to fill voids and block sand with 180 to 280 grit treated sandpaper.

What size nozzle is best for primer? ›

For example, primers are usually thicker than the accompanying paint so you should use a 1.7 or 1.8 mm tip to prime most surfaces. Most painters will stay in the range of 1.2 to 2.0 mm unless the paint being applied is specialized.

How many coats of primer should you spray? ›

You will want to use 2-3 coats of primer to ensure there is a good bond between the new paint and the wall, and also to cover up any previous colors, especially if they are red, orange, or a strange outdated color. In short, you will typically need 2 coats of primer for most painting projects.

Is it better to spray or roll primer? ›

The easiest way to ensure an efficient application of primers is to spray them on. The material is atomised and applied to the surface precisely with reduced spray mist thanks to WAGNER technology. You also save time and effort as there's no need to laboriously cover large areas with paint rollers.

Do professional painters use spray guns? ›

When it comes to speed and ease of use, using a paint sprayer is the way to go. This is the main reason why so many professional painters use them. But for those looking for quality, nothing beats a roller. It offers a more even finish, a superior texture, and adheres much better.

What spray gun is better gravity or suction? ›

Gravity feeds require less air pressure to atomise the paint, providing the direct benefits of lower overspray, less paint wastage, and a greater level of control for the painter. Thanks to these advantages, the gravity feed gun typically delivers better finishes.

What is the best pressure to spray? ›

What is the best air pressure for spray painting? Again, it's essential you check your specific model's recommendations, but your HVLP spray gun PSI will likely sit between 25-30 PSI for something like using an air compressor for spraying cars, rising to 40 PSI in some cases where higher atomisation is needed.

Which is better 1K or 2K primer? ›

1K – suited to interior use, low traffic areas, and places less prone to general wear and tear. 2K – suited to exterior use, heavy use areas, high temperature surfaces and other harsh environments.

How many coats of 2K primer should I use? ›

Apply the 2K primer :

Apply 2- 4 coats allowing a flash time between coats of 5 to 10 mins. Thinning ratio's can change depending on the spray gun set up. Once the primer has dried wet sand with Grit P600 prior to applying the 2K colour coat.

How thick should you spray primer? ›

Because primer is thicker than body paint and clear coat, it is recommended you use a 1.8mm tip and air cap when applying primer.

What is the perfect nozzle height? ›

Lower Layer Height: It is recommended that the layer height should not exceed 80% of the nozzle diameter. So, if the nozzle diameter is 0.2mm then the maximum layer height should be 1.6mm. Thus a smaller nozzle means a lower layer height.

What PSI should I spray primer at? ›

I like to use 26-27 psi for base coat and single stage enamel and 28-29 psi for clear coat. Sometimes, your spray gun will show that you need to set it up to 10 pounds of pressure.

What is the difference between 1.3 and 1.4 tip spray gun? ›

For the spraying of the entire car, a 1.3mm nozzle is recommended. The 1.4mm tip is ideal for primers and metal coatings because the droplet size allows the particles to be oriented automatically, thereby eliminating streaks and spots.

What happens if you apply too much primer? ›

Using too much primer may make your skin feel clogged and coated. One of the main benefits of primer is a smooth skin surface for even makeup application. If you've applied too much, you may notice that your foundation grabs or clumps in certain areas.

How long should spray primer dry between coats? ›

A good rule of thumb is to wait at least three hours to recoat your paint or primer if it's water-based. Waiting 24 hours is best for oil-based paint and primer.

How long should I let primer dry before next coat? ›

Most latex primers dry to the touch in 30 minutes to one hour. But for best results, don't paint until the primer completely dries—which can take up to 3 hours, depending on temperature and humidity. Once the primer is completely dry, it's prime time for painting.

Do I need to back roll after spraying primer? ›

Back-rolling is typically most impactful when applying the primer for the interior walls of a home or a new construction build. While the primer is the coat that bonds with the substrate initially, airless spraying itself does not penetrate or enhance adhesion.

How many coats of primer? ›

Generally, one to two coats of primer will suffice for painting interior walls, but how many you'll need depends on the wall material, the paint color, and the type of primer used.

Do professional painters spray or roll? ›

Many professional painters use sprayers because the prep time is not a huge time sink for them. But, some professionals can roll paint incredibly fast and evenly too. When rolling, you can put paint on thicker so it requires fewer coats.

How many coats of paint do you use with a sprayer? ›

How Many Coats of Spray Paint Do You Need? It is recommended that you apply two coats and allow the proper time frame for drying. Be sure to also sand between each dried coat. Once the final coat is painted and allowed time to dry, it's time for a clear coat.

Do you spray walls or ceiling first? ›

Simply spray the ceiling, and let overspray land on the wall and ceiling trim. After the ceiling paint dries, it's time to paint the walls. Cover the edges with quick-release masking tape and paper -- to avoid getting overspray on the ceiling -- and start paint spraying the interior walls.

Why don't painters use spray paint? ›

Many painters will stick with rollering when it comes to the indoors, as it gives you better control of the flow of paint. You don't have to worry about paint spray getting into the wrong places. If you're decorating an interior room, you should think about picking up a good roller kit.

Is tapping or spraying better? ›

Tapping. Whether you should spray or go for one-taps with Vandal depends on the situation you find yourself in and especially on your positioning. Vandal's spray is pretty chaotic on its own, so in long-range encounters, one-tapping will often be just better.

What are the disadvantages of HVLP spray gun? ›

Disadvantages of HVLP paint sprayers

Since there are lower pressures involved, the painting speed will be slower. Because the lower pressure means that high viscosity paints are not handled as well, you may find that you have to heat the fluids using the circulating paint stove.

How to tell the difference between HVLP and conventional spray guns? ›

While air spray guns use high-pressure air to finely atomize fluids, HVLP spray guns spray fluids softly with air pressure reduced to around 0.05 to 0.1 MPa (7–14 psi).

What PSI do you need to paint a car? ›

Look for a minimum of 15 PSI, with some applications, such as clear coat, better-suited to 20 or 25 PSI. HP: For auto painting, a 10 HP compressor will typically suffice. However, higher HP compressors may operate more efficiently and can be used for other tasks.

What wind speed should you stop spraying? ›

Pest control operators need to be aware of wind conditions at the time of application, as some conditions are not ideal for spraying pesticides. Ideal spraying conditions are at wind speeds of 6–19 km/hr, which equates to a Beaufort number of 2 or 3.

Should I use high pressure or low pressure spray paint? ›

Essentially a low pressure can ejects the paint with less force through the cap. This enables the user more control to create fine lines, details and effects when using skinny outline caps. A high pressure can ejects the paint through the cap at a faster rate at a higher volume.

Can you paint directly over 2K primer? ›

(Q) Do I have to sand the 2K Urethane Primer Surfacer? (A) While this primer is super easy to sand smooth, you may shoot the Single-Stage Urethane Paint over it in a "wet on wet" application. That means the paint may be applied over fresh primer that has still not cured.

Does 2K paint need clear coat? ›

2K Paint is a direct high gloss paint if applied correctly, you should not require any 2K clear lacquer. 2K Paint and Clear Coats : Are direct high gloss materials and when applied correctly, you should have no need to cut and polish.

Can I paint 2K paint over 1K primer? ›

1K car primer is also often used on aluminum and stainless-steel surfaces. Once fully cured, it can be sprayed over with a 2K acryl automotive paint.

What is the best primer to put on bare metal? ›

Simply put, epoxy is the best primer for bare metal, making it excellent for newly fabricated metal parts or ones that have been fully stripped.

Is 3 coats of primer too much? ›

However, it is not necessary to over apply the primer with so many coats. As long as the primer applies uniformly over the previous color, then one or two coats should be sufficient. Again, it is not necessary to apply several coats of primer to try to get a perfect white finish.

Do you need 2 coats of paint over primer? ›

On a new wall, you'll want to follow the rule and apply two coats of paint after primer. Follow the same standard for drywall. If you're repainting a wall, you'll only need one coat if you're using the same color and it's a quality paint.

Do you rub in primer spray? ›

Tip 4: Pat, Don't Rub

Though you may be tempted to rub the primer into your face, Stern says that patting it into your skin actually increases the staying power.

How deep should primers be set? ›

Ideally, primers should be seated to approximately . 003″ to . 007″ below flush with the case head. This may be checked with a hole gauge or the base end of a vernier caliper.

Can you spray too much primer? ›

Too much primer might cover up fine details. Also, too much primer might make the surface of the miniature too smooth. As mentioned beforehand, primer helps the paint to stick on your miniature. This works, because the primer kind of roughs up the surface of the figurine.

Should the nozzle touch the bed? ›

A tried-and-true technique is to have around a . 1mm gap between the nozzle and the bed to get the ever-so-perfect first layer. This is typically achieved by using a piece of regular 8x11 printer paper or a . 1mm feeler gage in between a heated nozzle and the bed.

What happens if nozzle is too close? ›

The nozzle is too close/far from the sheet

If the nozzle is too close to the printing bed, there won't be enough room for the plastic to come out of the extruder. By having the nozzle too close to the print surface, you will essentially block its opening, so that no plastic can be extruded.

How do I know if my nozzle is too close? ›

If your nozzle is too close to the bed, it will plow through the filament, causing a rough, uneven surface. You could have thin patches where the plastic is being pushed into the bed surface. It may be difficult to remove.

How do I know if my primer is enough? ›

One way to see if you need primer is if it just looks like there's not enough. A good priming job you won't be able to see much of the previous color but if its too thin you'll easily be able to see the old paint job. This is a great and easy way to get the right amount of primer.

How much should I thin primer for spray gun? ›

In general, thinning latex paint should be done at a minimum of 10% or 1 gallon of paint to quarter cup water. This is done if you are using anything besides the airless sprayer. However, if you are using an HVLP sprayer or handheld system, you might have to increase your water percentage to 20-30%.

What size nozzle is best for spraying primer? ›

A general rule of thumb is: Heavy-bodied primers and primer surfacers work best when you use a nozzle size of 1.7 to 2.2. Basecoats should be sprayed with a 1.4 to 1.6 nozzle. Clearcoats should be sprayed with a 1.3 to 1.7 nozzle.

Which spray gun is better? ›

Summary. In most cases, a gravity feed paint spray gun is the better choice thanks to its efficient and versatile design. Although HVLP is a requirement in most areas, whether or not you use an HVLP gun, gravity feed offers the advantage over conventional feed because of the lower air pressure requirement.

Which type of spray gun has the best transfer efficiency? ›

The electrostatic spray gun method achieves a high transfer efficiency and an even coating. Because more paint is applied evenly, less paint goes to waste. These paint guns also improve finish quality and production throughput.

What are the two most common types of primer guns? ›

There are two types of primers—Boxer and Berdan. Almost all U.S. rifle and pistol cartridges have Boxer primers.

Can you use primer in a paint spray gun? ›

I'm going to tell you that yes, if you're going through the process of using a paint sprayer for your large projects or small projects, you need to use a primer. It'll give your piece a professional finish.

Can you spray Kilz primer through a spray gun? ›

To Spray KILZ® you should use an airless paint sprayer that will allow you to use a 15 to 21 thousands tip, though some products will require a 27 thousands tip. Spray pressure will be around 1800 to 3000 PSI. The filter in the airless should be a 60 mesh, which is the normal filter that comes in an airless sprayer.

What PSI should HVLP be for primer? ›

You'll need to be spraying at about 26 to 29 psi if you're doing base coat clear coat with HVLP Spray Guns. The higher the pressure the more atomization and better flow out you'll get. Again, It's recommended to have 28-29 for clear coat and 26-27 for base coat. And, primers are a little lower at 25 psi.

What is the best type of primer? ›

The best primer for drywall is a latex primer. Don't use an oil-based primer unless you're putting up wallpaper or covering a stain. Oil-based primers raise the grain of the drywall and make the finish look uneven.

What are the three basic types of primers? ›

Types of Primers. There are three basic types of primers: oil-based, latex and pigmented shellac primer. Each has its strengths and weaknesses and works best on certain surfaces and in particular circumstances.

Do I need to backroll after spraying primer? ›

Back-rolling is typically most impactful when applying the primer for the interior walls of a home or a new construction build. While the primer is the coat that bonds with the substrate initially, airless spraying itself does not penetrate or enhance adhesion.

What pressure should I spray primer? ›

To begin, set it at 50 psi. Close the air volume control knob (usually located beside where the air hose enters the gun) and with the trigger pulled, open it to the point where the air volume starts to stay the same, and then stop.


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