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

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Speedokote Nice Primer READ REVIEW

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

Best For Aluminum: Buy: Sem High Build Paint Primer READ REVIEW

Best For Industrial Applications: Buy: Custom Shop High Build Paint Primer READ REVIEW

Best For Good Stuff: Buy: U-Pol High Build Paint Primer READ REVIEW

Best For Fiberglass: Buy: Eastwood High Build Paint Primer READ REVIEW

Best Overall: Speedokote Nice Primer

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The Speedokote Nice Primer's material feels more premium than its price would suggest. The speedokote nice primer is affordable and it lays down. Shoot 2k high built urethane primer. Moreover, the primer is durable and it sprays well.

Most importantly, the speedokote nice primer works very well and it follows the instructions.

Almost all buyers quickly discovered that the primer was epoxy primer. Maybe it would be OK. In addition, a few say that the primer is really good..sprays on well and sands off easily. Moreover, a few strongly agree that the primer is the final finish prior to basecoat to get rid of the scratches from sanding the fiber.

• This can be used on fiber parts.
• This two - part type of primer is designed to be sprayed on.
• This is easy to spray with a siphon gun with a 1.8mm needle.
• This goes on smoothly as well, and it goes on easily.

Best For Body Filler: Speedokote High Build Paint Primer

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The Speedokote High Build Paint Primer is suitable and reliable and fits well with your daily use. The speedokote high build paint primer is a fast - dry, easy - sanding 2k urethane primer with great fill, and color/gloss holdout. Before opening the packages, be sure you understand the warning messages on the labels and MSDS’S of all components, since the mixture will have the hazards of all its parts. In addition, the primer provides for great adhesion and it is free. Lastly, the speedokote high build paint primer is not available in California, Maryland, or delaware.

Most customers agree that the primer is liquid body filler plus it is good as the foundation underneath. Further, a few say that the primer comes in gallons with one quart of activator. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

• Follow spray equipment manufacturer’s instructions to prevent personal injury or fire.
• This is a very low - cost insurance for a long - lasting substrate.
• Delivers what they promise.

Best For Aluminum: Sem High Build Paint Primer

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The high build paint primer is capable of outshining several other primers featured in this list in overall features for the price point. The high buildpaint primer allows for a great high build, is great with great stuff and it dries fast. Make sure this fits by entering your model number. And, the primer is professional, durable and it is perfect for high quality.

Finally, the Sem High Build Paint Primer is easy to use and it works on automotive metal.

Almost all customers found that the primer is great for 3d printed parts, so much better than auto parts store brands. And, a few also found that this primer covered in 2k spray can be used in marine applications.

• It works great and it looks good.
• 42043 sem high build primer surfacer white - part#42043.
• The primer builds enough thickness to nicely fill in minor scratches / chips.

Best For Industrial Applications: Custom Shop High Build Paint Primer

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Best part: Custom Shop High Build Paint Primer costs comparatively low and it is available to ship in 24 hours. The custom shop highly built paint primer suitable for industrial applications and it is free. And a low 2.1 voc that can be used coast to coast. And, this is great for automotives and industrial.

Above all, the custom shop high - build paintprimer is great as a DTM primer with an easy 4 to 1 mix ratio.

Therefore, most customers find the primer is functionally comfortable and no one questions it.

• This is available in primer gray with 1-1/4 quart and 1-1/4 gallon kits available.
• It is easy to sand in as soon as 3 hours.
• This offers superior sanding characteristics and excellent topcoat gloss holdout.
• This offers easy high build properties and is a fast dry product.

Best For Good Stuff: U-Pol High Build Paint Primer

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The best part: U-Pol High Build Paint Primer costs comparatively little and it is available to ship in 24 hours. The u-pol highbuild paint primer comes with a standard (60 to 95ºf) temperature hardener. It’s definitely high build primer filler for spot repairs. Also, it has excellent film build and surface levelling properties.

The primer is designed for a great price and it is convenient. In addition, it can be air dried, low - baked or i.r. Most importantly, the u-pol high build paint primer works for the first time and it offers excellent opacity.

One customer says - "2.5 parts reducer made an excellent sealer. ". Almost all buyers found that the primer is easy to sand but needs a day or more to cure “air dry” direct to metal adhesion worked very well.

• Hs high - built urethane primer with a 4 to 1 mixing ratio.
• This is easy to sand and gives perfect gloss holdout.
• This can be used as a multi-role 3 in 1 coating.
• (2.1 voc) high solids high build urethane primer kit.

Best For Fiberglass: Eastwood High Build Paint Primer

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Best part: Eastwood highbuild paintprimer costs comparatively low and it is available to ship in 24 hours. The Eastwood high buildpaint primer is easy to sand with no shrinkage. The 2-component polyester primer/surfacer has excellent filling characteristics and superior adhesion to steel, aluminum, fiberglass, SMC, oe finishes, self-etching primers and body fillers. This sprayable high - build primer / surfacer serves as an excellent base for any paint system. Most importantly, the Eastwood high build paint primer works great and it sands easily.

Overall, many buyers have used the Eastwood high build paint primer for more than a few months without any issues, and it shows no sign of giving up.

• Excellent adhesion to metals, fiberglass, and body fillers.
• Sprayable high-build filler is an excellent base for any paint system.
• Delivers what they promise.