The 6 Best 2 K High Build Urethane Primers (2022 reviews)

Here, we review a primer that manages to win our hearts. It's the Speedokote 2 K High Build Urethane Primer and it's widely considered as one of the all-around great primers you can buy. The speedokote 2 k high built urethane primer is thin with urethane reducer, works very well and it is normal. Make sure this fits by entering your model number. Moreover, the primer covers very well and it is designed for a great price.

The primer lays down and it is easy to use. Lastly, the speedokote 2 k high build urethane primer is made for good value and it sprays very nicely.

Almost all customers quickly discovered that the primer can be used on fiber parts. Also, they say that the primer is easy to spray. goes on really nice, and hard. And, they say that the primer is great on fiberglass. You can roll it. spray is better. In conclusion, many buyers have used the speedokote 2 k high build urethane primer for more than a few months without any problems, and it shows no sign of giving up.

Customers also found that its wise to buy a urethane based reducer, along with this primer.

Top Customer Quotes:

This is epoxy primer. Maybe it would be OK.
This is easy to spray with a siphon gun with a 1.8mm needle.
This will sink into the primer and not be a uniform finish.
This is great for clear coat, follow the instructions and it goes on easily.

RELATED: Best Acrylic Urethane Reducers

Best For Aluminum: Custom Shop 2 K High Build Urethane Primer

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The custom shop 2 k high built urethane primer's material feels more premium than its price would suggest. The custom shop 2 k high built urethane primer offers superior adhesion to bare metal, steel, bare aluminum, fiberglass, gelcoat, body fillers and many properly prepared rigid plastics and sanded oem finishes. And a low 2.1 voc that can be used coast to coast. In addition, the primer formulation contains a rich blend of anti-corrosive additives to achieve maximum defense against rust and corrosion while adding the benefit of outstanding adhesion.

The primer is compatible with and can be top coated with most automotive paint brands like custom shop, restoration shop, ppg, house of kolor, valspar, etc. And, the primer is perfect for industrial applications and it is great for automotive. Above all, the custom shop 2 khigh built urethane primer is great as a DTM primer with an easy 4 to 1 mix ratio.

In conclusion, at the price, they believe that they got a steal of a deal with it.

Why We Like This:

This offers easy high build properties and is a fast dry product.
This offers superior sanding characteristics and excellent topcoat gloss holdout.
This is free and it is industrial.
It is easy to sand in as soon as 3 hours.

Best For Good Stuff: U-Pol 2 K High Build Urethane Primer

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U-Pol has been making great primers for years, thanks to a combination of clever design and appropriate materials. The u-pol 2 k high built urethane primer has a good gloss holdout, works for first time and it is great for hiding power. Hs high - built urethaneprimer with a 4 to 1 mixing ratio. In addition, it is easy to sand and gives perfect gloss holdout.

The primer offers excellent opacity and it is compliant. In addition, it can be used as a multi-role 3 in 1 coating. Above all, the u-pol 2k high built urethane primer can be air dried, low baked or i.r.

One customer says - "But if you reduce it down too much then it becomes a sealer not a high build primer. ". Almost all buyers opine that the primer is easy to sand but needs a day or more to cure “air dry” direct to metal adhesion worked very well.

Few customers got 2 k clear _nippon_ paint, along with the primer.

Why We Like This:

With standard (60 to 95ºf) temperature hardener.
This is great for a great price and it is convenient.
It’s definitely highbuild primer filler for spot repairs.
European style multi-function 3 in 1 direct-to-metal primer.

Best For Hiding Power: U-Pol 2 K High Build Urethane Primer

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Next on the list, we've got yet another primer that manages to win our hearts. It's the U-Pol 2 K High Build Urethane Primer and it's widely considered as the primer that has the most suitable features. The u-pol 2 k high buildurethane primer offers excellent opacity and it is compliant. Make sure this fits by entering your model number. Also, this can be air dried, low baked or i.r.

The primer can be used as a multi-role 3 in 1 coating. Above all, the u-pol 2 k high build urethane primer has excellent film build and surface levelling properties.

They also found that this primer works great, builds up well and sands very easily.

Why We Like This:

This is easy to sand and gives perfect gloss holdout.
It is easy to sand and gives perfect gloss holdout.
It’s definitely highbuild primer filler for spot repairs.
It offers excellent opacity and hiding power.

Best For Fiberglass: Specialist Paints 2 K High Build Urethane Primer

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If you are currently in the market looking for a suitable primer for your regular use, specialist paint 2 khigh buildurethane primer is the natural choice. Manufacturer says: Mixing this primer 4-1-1 with our 2k reducer and this product becomes a silky smooth no sand sealer. Also, the primer can be used on the following substrates. When it comes to searching for an optimal primer, a specialist paints 2k high built urethaneprimer is definitely your first choice.

Why We Like This:

Gray, white and black which can be blended to make different shades of grey.
Premium 2k urethane high build direct to metal primer.
Included 1 x quart of DTM primer, 1 x 1/2 pint activator.
Included 1 x quart of DTM primer, 1 x 1/2 pint activator.

Best For Body Filler: Eastwood 2 K High Build Urethane Primer

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The Eastwood 2 k high built urethane primer is suitable and reliable and fits well with your daily purpose. The eastwood 2 k high built urethane primer lays down and it dries fast. Make sure this fits by entering your model number. Further, it can not be shipped to California.

Finally, the Eastwood 2 K High Build Urethane Primer is perfect for overall jobs, patch panels and high-end restorations.

In short, many customers have used the Eastwood 2 k high build urethane primer for more than a few months without any problems, and it shows no sign of giving up.

Why We Like This:

Apply over epoxy primer, body filler, existing finishes.
This is ideal for block sanding in 3-4 hrs after application.
Ideal for block sanding in 3-4 hrs after application.
Mixes 4:1 with 50241zp activator (not included).