We consider a high build auto primer to be a worthy investment in the long run. In the following post, we will help you to select the best high build auto primers.

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Our Top Picks:

Best Overall: Buy: Duplicolor High Build Auto Primer READ REVIEW

Best For Aluminum: Buy: Sem Great Primer READ REVIEW

Best For Car: Buy: Custom Shop High Build Auto Primer READ REVIEW

Best For Body Filler: Buy: Speedokote High Build Auto Primer READ REVIEW

Best For Plastic Bumper: Buy: Sem High Build Auto Primer READ REVIEW

Best With Good Build: Buy: U-Pol High Build Auto Primer READ REVIEW

Best Overall: Duplicolor High Build Auto Primer

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Here, we present a primer that manages to win our hearts. It's the Duplicolor High Build Auto Primer and it's widely considered as one of the the great primers you can buy. The duplicolor high - build auto primer sands easily and it can be recommended for dry time. Make sure this fits by entering your model number. Also, the primer is slow to dry and it sprayed on well.

The primer is perfect for automotive body repair, works great and it is crafted with good bonding. Finally, the duplicolor high build auto primer is extra, allows for good coverage and it makes for great coverage.

Most customers quickly discovered that the primer will pretty much make it all fall off. Also, they strongly agree that the primer makes the process much easier. And, a few also found that the can sprayed evenly with no blotches or drips, and when used according to the instructions, dried exactly as it should have.

• This is great for 3d print post-production to get around hours of sanding.
• This can be applied on top of the etching primer.
• This will flake off, especially by exh ports.
• This dries quickly, is good for country of origin and it is normal.

Best For Aluminum: Sem Great Primer

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Sem has been making great primers for years, thanks to a combination of clever design and appropriate materials. The great primer allows for great coverage and it is made for a great finish. Make sure this fits by entering your model number. Furthermore, it fills in great and it is free.

Finally, the great primer works very well, covers well and it works on automotive metal.

Almost all buyers found that the primer has great bonding to any surface material, awesome build up properties to level off those small scratches, is self - leveling and sands beautifully wet or dry. In addition, a few also found that the primer is good as finished matte paint. In addition, they also found that the primer went on great, no spits from the nozzle. In short, buyers found this to be one of the best primers for daily purposes.

• This is for after any metal work or bondo work.
• 42013 sem high build primer surfacer gray - part#42013.
• This is great for clear coat and it dries quickly.
• This went on nice and it is really nice.

Best For Car: Custom Shop High Build Auto Primer

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Next on the list, we've got yet another primer that manages to win our hearts. It's the custom shop high - build auto primer and it's widely considered as the primer that has the most suitable features. The custom shop high - buildauto primer is made for great paint and it is perfect for high quality. Automotive high build primer that can be applied over many sustrates. Also, it is easy to sand, topcoat with most automotive paint refinish topcoats.

The primer is used on aluminum and it sands easily. Most importantly, the custom shop high - build auto primer goes on smoothly. buy again and it is crafted with good bonding.

Most buyers opine that the primer is easy to use and coats the surface well. In addition, they strongly agree that the primer is better for filling in a surface with pits and scratches. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

• This is easy to sand, great quality for a high - build primer in a can.
• This will absorb moisture and rust.
• This is compatible with most paint systems.
• This is sprayed on evenly and it dries fast.

Best For Body Filler: Speedokote High Build Auto Primer

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The Speedokote High Build Auto Primer gives the top-tier primers a run for their money by offering flagship specs at a much more affordable price. The speedokote high build autoprimer is a fast - dry, easy - sanding 2k urethane primer with great fill, and color/gloss holdout. Improper handling and use, for example, poor spray technique, inadequate engineering controls and or lack of personal protective equipment (ppe), may result in hazardous conditions or injury. In addition, it is not available in California, Maryland, or the delaware. Lastly, the speedokote highbuild auto primer provides for great adhesion and it is free.

Most buyers found that the primer can be used as either a medium build, high build or sealer primer over the epoxy. In addition, a few also found that the primer comes in gallons with one quart of activator. To sum up, buyers found this to be one of the best primers for daily purposes.

• This is liquid body filler, plus it is good as the foundation underneath.
• Follow spray equipment manufacturer’s instructions to prevent personal injury or fire.
• This is a very low - cost insurance for a long - lasting substrate.

Best For Plastic Bumper: Sem High Build Auto Primer

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The high buildauto primer gives the top-tier primers a run for their money by offering flagship specs at a much more affordable price. The highbuild autoprimer makes for a great build, is professional and it works great. Make sure this fits by entering your model number. And, it is durable and it looks good.

Finally, the high build auto primer bought again and it dries fast.

Almost all customers quickly discovered that the primer is great for 3d printed parts, so much better than auto parts store brands. In addition, a few strongly agree that this primer covered in 2k spray can be used in marine applications. To sum up, the tone of buyers is very positive and we believe that the primer suits the purpose.

• This works on automotive metal and it is perfect for high quality.
• 42043 sem high build primer surfacer white - part#42043.
• The primer builds enough thickness to nicely fill in minor scratches / chips.

Best With Good Build: U-Pol High Build Auto Primer

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U-Pol offers a variety of primers for personal choice and yet maintains quality in all the variants. The U-Pol High Build Auto Primer is easy to sand and gives perfect gloss holdout. Make sure this fits by entering your model number. Further, it comes with a standard (60 to 95ºf) temperature hardener.

The primer has excellent film build and surface levelling properties. Finally, the u-pol high build auto primer can be air dried, low - baked or i.r.

One customer says - "Good primer good build easy sanding good stuff. ". Most customers agree that the primer is easy to sand but needs a day or more to cure “air dry” direct to metal adhesion worked very well.

• This is great for a great price and it sands easily.
• This has a good gloss holdout, is used for hiding power and it is compliant.
• Hs high - built urethane primer with a 4 to 1 mixing ratio.
• This offers excellent opacity and it is convenient.