The Best Epoxy Primers: Stop Rust Dead in its Tracks

Working as both a primer and sealer, the Epoxy Fast Dry 2.1 by Speedokote will make your priming job easier, faster and cheaper. This versatile product comes with a base primer and a hardener, so you’ll have to mix the two contents in a 4:1 ratio for good results.

So, what makes this epoxy primer great? For one, it has very strong adhesion, but is, at the same time, super-easy to apply as it smoothly and evenly lies down on pretty much any surface. Speaking of which, the product can be applied to a wide range of materials, including aluminum, steel, fiberglass, body fillers and existing finishes. This makes it highly versatile and great for all priming jobs. Importantly, it’s also a strong, durable primer that protects against corrosion and rust, offering long-lasting deterioration protection.

The 2K epoxy primer by UCS is one of the easiest primers to apply. No need to use a paint brush or squeegee with this product – all you have to do is activate the primer, shake it and spray it. That’s literally it! Needless to say, if you’re looking for an easy-to-use product, this is it.

The UCS’s epoxy primer provides excellent adhesion and fill, as well as great corrosion resistance. It also dries quickly as a hardshell on any surface material, be it metal or fiberglass. It covers around 4 to 6 square feet of surface, but if you want a really smooth end result, it’s wise to apply a couple of coats. Of course, you can also sand the surface with a sander for a super-smooth result, or paint over it.

Looking for a quality epoxy primer for your boat? Look no further than Interlux’s InterProtect 2000E two-part epoxy coating. Formulated with Micro-Plates technology, this product protects fiberglass hulls from moisture and water absorption, plus helps repair gelcoat damaged by osmotic blistering.

The Interprotect 2000E has great adhesion properties to various materials, including fiberglass, metal, wood and composite. It offers excellent anti-corrosion and oxidation properties, and can be used for both above and below the waterline. As mentioned, it contains Micro-Plates technology, which creates an overlapping water barrier, helping protect your boat against water absorption. As a bonus, it’s also perfect for repairing damaged gelcoat. Importantly, it’s also easy to apply, quick to dry and there is no sanding required.

The Raptor’s anti-corrosive primer is a 2K high-performance epoxy primer that contains a blend of anti-corrosive additives which help protect surfaces from rust and oxidation. It’s specifically designed to be used under Raptor’s Protective Coating to further extend the protective properties.

This product comes with a can of anti-corrosive epoxy primer and a primer hardener, so you have everything you need for a proper priming job. Because it contains advanced resin technology that improves adhesion to various surfaces, the product is simple to use. It applies smoothly to bare metal, as well as other prepared surfaces. In fact, it can even be used directly over surface rust too. Although quite thick, the primer sprays evenly and smoothly to a hard surface. Besides having great anti-rust and corrosion properties, the Raptor automotive epoxy primer also offers excellent salt spray resistance.

Protective, easy to use and reasonably priced, there is nothing not to like about Transtar 2K epoxy primer/sealer. This product not only has great anti-corrosion properties, but also offers great protection against moisture-caused damage.

The 2K epoxy primer requires no induction time and can be applied to a number of surfaces, including bare metal, sanded bare metal and primer, as well as paint. Since it’s lead and chrome free, the two-part primer can also be used as a sealer over existing finishes. With fantastic adhesion properties, the product is incredibly easy to apply over various materials, but is especially recommended for use over lacquer type primers.

With great adhesion and anti-corrosion properties, the SprayMax black epoxy primer offers strong and long-lasting protection for bare metals. Using innovative packaging, this 2K epoxy primer has more yield, broader spray pattern and faster working speed than other standard aerosols.

The SprayMax epoxy aerosol can be used on a wide range of surfaces, including zinc-coated steel, hot-rolled and cold-rolled steel, galvanized sheet steel, fiberglass, anodized aluminum and many others. Equally important, it’s also super-simple to use: all you need to do is shake the product and spray it to a clean and dry surface. Although it sprays and covers really well, if you want an ultra-filled and smooth finish, you’ll need to use two to three coats. The primer is recoatable with all standard solvent or waterborne basecoats and topcoats.

Custom Shop Black Epoxy Primer is both a primer and sealant in one product, designed to protect your vehicle’s metal from all of the dangers that corrosion poses. This anti-corrosive primer is a direct to metal product, which means it’s perfectly safe to apply right on metal of all kinds — including steel, aluminum, and other materials like fiberglass and gelcoat. It’ll even keep other aspects of your car in great shape, like body fillers, rigid plastics, and sanded OEM finishes.

Apply this epoxy primer, and you’ll discover that it’s a rich formula made with a mix of anti-corrosive additives and an advanced resin technology. The formula includes chemicals that provide a high level of protection against rust and corrosion, and it can resist salt spray, too. When you apply the primer, it’ll dry fast; you can apply a top coat within just 30 minutes after applying the epoxy primer. This primer also goes on smoothly with no special prep needed.

If you’re looking for an epoxy primer that’s super simple to get on your vehicle’s exterior, you’re going to want to consider the U.S. Chemical & Plastics 2K Epoxy Rust-Cure Primer. This product doesn’t require any special knowledge, expertise, or application. In fact, it’s designed to be incredibly easy to apply — it’s packaged in a shake-and-spray container with a specially designed nozzle.

This epoxy primer is packaged in an easy-to-use aerosol container. When you’re ready to put it to work, all you have to do is shake it, direct the nozzle, and start spraying. The specially-shaped nozzle works like a spray gun, offering a powerful yet smooth and easily controlled spray. The primer itself will stick to any metal surface, so you can trust that it’ll work on your car, truck, or SUV, along with other metal products or vehicles that might need some rust protection. It’ll also work with all standard solvent or water-based base coats and top coats.

Rust-Oleum is one of the biggest names in rust and corrosion protection, so it’s no surprise that the Rust-Oleum Automotive Sandable Primer Spray is one of the top products to shop. This 12-ounce epoxy primer offers a durable, highly protective base that’ll inhibit rust on all kinds of automotive materials. It works on metal and fiberglass, automotive lacquers and enamels — and even wood.

This epoxy primer is so great at providing a durable base layer that it even helps provide a beautiful finish. When applied, the primer fills in any minor imperfections present and smooths out surfaces. It’s also quick-drying and will be dry to the touch in just 10 minutes. While two to three coats are needed to offer full protection, a single can of this primer can do a lot. Twelve ounces can cover up to 10 square feet of surfaces, and the any-angle spray nozzle allows you to easily work from any angle to fully cover your car.

The House of Kolor DTS Auto Epoxy Primer is one very versatile epoxy primer. It works like any other, but it offers excellent quality and multiple uses. You can use this primer, which is a hybrid epoxy two-component primer, as a DTS (direct to substrate) high build surfacer, a medium to high build sealer, or a silky smooth sealer. It can be put to work as a protective first layer or cure and seal your top coat. No matter how it’s used, this primer will deliver expert-level protection and results.

Another way in which this epoxy primer is versatile is its applicable materials. This product works on all different types of metal, including bare steel, aluminum, and galvanized metals. It’ll also work on your vehicle’s existing OEM finishes, fiberglass, and some plastics (though you’ll want to test it on plastic before applying it everywhere). Formulated with strong adhesion, reliable corrosion resistance, and a quick drying time, you’ll be able to trust that your car is prepared for water, humidity, and more.

The Epifanes Epoxy Primer is a strong anti-corrosive product that’s tough enough to protect watercraft like boats from the damage of rust and corrosion. That’s right: If you’re tired of rusted car bodies, this product is tough enough to prevent them in the future. Made for some seriously wet environments, this primer can hold up in even the most rust-prone situations, weather, and more.

With a 750-milliliter bottle of this epoxy primer, you’ll get a blend of two ingredients: epoxy resin and zinc phosphate. The zinc phosphate is the anti-rust agent that gets to work protecting your car’s metal exterior, while the resin works to fill in any minor or slight imperfections. You can use this primer as the first step in a two-component paint plan; it’ll work on steel, aluminum, wood, and even fiberglass. It can be applied as an interior or exterior product, though you’ll get the best use out of it on the body of your vehicle.