In this guide today, we are here with our in-depth review of the best epoxy primer. There are plenty of choices with multiple websites and therefore difficult to choose the best one. We recommend to read the guide and choose the one that suits your need as we review products based on the various options, features, price, quality and many more . To avoid this dilemma, we recommend to read this guide and review. It gives you insider information on how to choose the best epoxy primer for your needs and budget.
This is the ultimate buyers guide epoxy primer.
The Best epoxy primer
The Best epoxy primer
SprayMax 2K Activated EPOXY Primer Black 3680034
$24.99 in stock
14 new from $24.99
Free shipping
Amazon.com
as of September 27, 2025 4:17 pm
Features
- Exceptional Corrosion Resistance & Adhesion – SprayMax 3680034 2K Epoxy Primer delivers superior protection with excellent adhesion to bare metals, including Zinc-Coated Steel, Anodized Aluminum, Hot-rolled or Cold Rolled Steel, and Fiberglass, ensuring long-lasting durability.
- Advanced Spray Technology – Featuring innovative SprayMax packaging, this aerosol offers faster work speed, a wider spray pattern, and more yield compared to traditional aerosols, providing professional-grade results without the need for mixing, cleaning spray guns, or using a compressor.
- Easy Activation for Maximum Performance – Simply activate the primer by attaching the red button to the pin on the can's bottom, then shake to mix. Once activated, the primer is usable for up to 4 days, ensuring minimal waste and optimal performance during your projects.
- User-Friendly Application – Ideal for DIYers and professionals alike, this spray can is designed for easy use with high transfer efficiency and great atomization, mimicking the results of a spray gun with less mess, less overspray, and no need for additional equipment or cleanup.
- Versatile and Reliable – With a 36-month shelf life (before activation), SprayMax 3680034 works effectively on a wide range of surfaces and provides smooth, high-quality priming results. Achieve perfect finishes by applying 2-3 coats, allowing 5-10 minutes between layers, and letting it dry for about 12 hours before topcoating.
RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4831 Gray 1L, 2 Piece Set
out of stock
Amazon.com
as of September 27, 2025 4:17 pm
Features
- RAPTOR Anti-Corrosive Epoxy Primer is a 2K high performance primer specifically designed to be used under RAPTOR Protective Coating to further extend the protective and anti-corrosive properties of RAPTOR
- The advanced resin technology in RAPTOR Anti-Corrosive Epoxy Primer improves adhesion to bare metal and most other prepared surfaces, and promotes intercoat performance to further extend the life of RAPTOR protective coating
- It contains a blend of anti-corrosive additives to inhibit rust and corrosion and offers excellent salt spray resistance
- Can be applied directly over surface rust
SprayMax 3680033, 2K Epoxy Rust-Cure Primer, Gray, Aerosol (1)
$29.80
in stock
17 new from $28.89
Amazon.com
as of September 27, 2025 4:17 pm
Features
- Excellent adhesion and corrosion protection properties, even critical surfaces such as aluminium
- Outstanding insulating & sealing properties
- Recoatable with all standard solvent-/ water borne basecoats or single stage topcoats
- For cleaned and sanded surfaces
Epoxy Fast Dry 2.1 low voc DTM Primer & Sealer Gray Gallon Kit, SMR-260G/261
$149.00
in stock
Amazon.com
as of September 27, 2025 4:17 pm
Features
- Easy 4:1 mix primer with optional 5-10% reduction with 0 voc reducer (SMR-0075)
- Can be used as a primer and a sealer
- Great adhesion to Steel, Aluminum, Fiberglass, Body fillers and Existing finishes
- Lays down super smooth at 4:1 or with optional 5-10% 0 voc reducer (SMR-0075)
- Excellent adhesion and corrosion resistance
Custom Shop - Gray Epoxy Primer/Sealer 2.1 VOC (1 Quart Kit) Anti-Corrosive DTM High-Performance Primer for Automotive and Industrial use Kit = 1 Pint Epoxy Primer +1 Pint. Epoxy HDR. (1-1 Mix)
$57.99
in stock
Amazon.com
as of September 27, 2025 4:17 pm
Features
- Custom Shop – KEP Series Anti-Corrosive Epoxy Primer / Sealer is a 1 to 1 Mix Ratio high performance primer specifically designed to be used DTM (Direct to Metal). KEP Series Primer contains an advanced resin technology system that offers superior adhesion to Bare Metal, Steel, Bare Aluminum, Fiberglass, Gelcoat. Body Fillers and most properly prepared Rigid Plastics and sanded OEM Finishes.
- KEP Epoxy Primer is Lead and Chromate Free and its formulation contains a rich blend of Anti-Corrosive additives to achieve maximum defense against rust and corrosion. It also offers excellent salt spray resistance and is a fast dry product.
- Custom Shop – KEP Series Epoxy Primer is great as a DTM primer but also can be used as an excellent sealer for all single stage Urethane and Basecoat Clearcoat. If used as a sealer add 1/2 part of XR70 or UR70 reducer, topcoat or basecoat can be applied in 30 minutes. Using KEP allows for excellent topcoat gloss holdout.
- Available in Gray, Black and White in 1 quart kits, 2 quart kits, gallon kits and 2 gallon kits. Great for Automotive and Industrial applications. KEP is compatible with and can be top coated with most Automotive Paint brands like Custom Shop, Restoration Shop, PPG, House of Kolor, Valspar, etc.
- Lays down super smooth with an Easy ( 1 part to 1 part ) Mixing Ratio allows for more precise mixing, no induction time needed before application. Pot life is 4 hours once mixed. Custom Shop – KEP Series Anti-Corrosive Epoxy Primer is a 2.1 VOC lbs/gallon product that can be used coast to coast.
Stone Coat Countertops White Epoxy Undercoat – Epoxy Paint and Primer Mix for Coating MDF, Plywood, and Porous Materials! Great for DIY Countertop Epoxy Kits! 1 Quart, 32 Fl Oz
$16.99 in stock
2 new from $16.99
Free shipping
Amazon.com
as of September 27, 2025 4:17 pm
Features
- Epoxy Undercoat Essential - Enhance your epoxy projects with our Epoxy Undercoat. Apply two coats to create a firm, sealed foundation that gives your surface a denser, thicker look and extends its lifespan.
- Versatile Application - Use our Epoxy Undercoat on a wide range of surfaces including countertops, table tops, bar top tables, cabinets, appliances, MDF, plywood, and more. Easily apply with a Microfiber Roller Kit.
- Designed for Stone Coast - Our Epoxy Undercoat is made specifically for use with Stone Coat Countertops epoxy resin kits. Give your DIY project the refined, high gloss look it deserves with our epoxy paint.
- Safe and Non-Toxic - Our Epoxy Undercoat is safe and non-toxic, made with small amounts of titanium dioxide. It's non-hazardous, easy to wash off, and suitable for indoor and outdoor use. Ideal for kitchen, garage, and bathroom refinishing projects.
- Ample Quantity Supplied - Our 1 Quart (32 FL OZ) Epoxy Undercoat kit provides enough epoxy paint to coat multiple kitchens. Cover up to 40 Square Feet of surface, perfect for a 2 Gallon Stone Coat Countertops epoxy kit.
Car-Rep® 2K Primer Epoxy Grey 11oz
$27.95
in stock
4 new from $27.95
Free shipping
Amazon.com
as of September 27, 2025 4:17 pm
Features
- UNLIMITED POTLIFE: No Mixing, No Activation, Ready for Use
- TRUE 2K QUALITY: Optimum corrosion resistance and adhesion
- Does not require sanding
- Overpaintable once touch dry - wet on wet application
- Can be top coated with solvent- or waterborne base coats
USC 2K Spray Max Epoxy Primer Paint Aerosol
$24.99
in stock
5 new from $24.99
Free shipping
Amazon.com
as of September 27, 2025 4:17 pm
Features
| Part Number | 50771 Z |
| Color | Assorted |
| Size | 14.1 Fl Oz (Pack of 1) |
Eastwood Black Epoxy Primer Sealer | Direct to Metal Fast Action Drying & Easy to Sand | Suitable for Steel Fiberglass Aluminum | Ideal for Automotive Car Paint | Rust and Corrosion Prevention
$68.99
in stock
Amazon.com
as of September 27, 2025 4:17 pm
Features
- BLACK EPOXY PRIMER: The Eastwood Epoxy Primer and sealant, mixes 1:1 with Epoxy Primers 50243ZP. Perfect as a sealer for a wide range of materials steel, fiberglass, car body filler, aluminium and much more. Especially effective for metal rust corrosion prevention, increasing the lifetime quality of your paintwork.
- HOW TO USE: Made here in the USA our Epoxy Primer and sealer gives a long lasting high quality finish, and when mixed with our catalyst Epoxy activator 502423P typically you'll only need 1 or 2 medium wet coats to achieve a strong 1mm dry film thickness. Suitable to be wet sanded the next day, and dry sanded after 2 to 3 days.
- EASTWOOD QUALITY: Eastwood offers solutions which combines our 4,000+ unique products with the know-how to “Do The Job Right”. With an In-house product design, development and testing and a strong track record of high-quality, innovative products. Used and trusted by top builders to beginners and also provides a Lifetime Tech Support.
- SAFETY INFORMATION: Always wear eye, respirator and skin protection use in a well ventilated are consult MSDS for specific warnings precautions.
- WARRANTY: Comes with a 90-day limited warranty and 90 day return.
Epoxy Fast Dry 2.1 low voc DTM Primer & Sealer Black Gallon Kit, SMR-260B/261
$149.00
in stock
Amazon.com
as of September 27, 2025 4:17 pm
Features
| Part Number | SMR-260B/261 |
| Model | 5864266689 |
| Color | Black |
| Size | 2 Piece Set |
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