Finding the best epoxy undercoat primer suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Best epoxy undercoat primer

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Clear Table Top Epoxy Resin That Self Levels, This is a 1 Gallon High Gloss (0.5 Gallon Resin + 0.5 Gallon Hardener) Kit Thats UV Resistant  Its DIYER & Pro Preferred with Minimal Bubbles Clear Table Top Epoxy Resin That Self Levels, This is a 1 Gallon High Gloss (0.5 Gallon Resin + 0.5 Gallon Hardener) Kit Thats UV Resistant Its DIYER & Pro Preferred with Minimal Bubbles
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Zinsser 02004 Bulls Eye 1-2-3 All Surface Primer, Quart, White Zinsser 02004 Bulls Eye 1-2-3 All Surface Primer, Quart, White
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1 qt XIM Products 11052 White XIM, UMA Acrylic Bonder and Primer/Sealer 1 qt XIM Products 11052 White XIM, UMA Acrylic Bonder and Primer/Sealer
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RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4830 Gray 5L RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4830 Gray 5L
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Microfiber Paint Roller Kit (1 Roller Handle + 2 Microfiber Mini Roller Sleeves)  Mini Paint Rollers for Applying Paints, Primers, Enamels, DIY Epoxy, and Other Home Improvement Projects! Microfiber Paint Roller Kit (1 Roller Handle + 2 Microfiber Mini Roller Sleeves) Mini Paint Rollers for Applying Paints, Primers, Enamels, DIY Epoxy, and Other Home Improvement Projects!
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Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black
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Pro Marine Supplies Crystal Clear Table Top Epoxy Resin & Hardener (2-Part 1 Gallon Combined Kit) with Cups, Brushes, Gloves, Sticks | UV-Resistant Gloss Coating for DIY Bar, Countertops, Woodworking Pro Marine Supplies Crystal Clear Table Top Epoxy Resin & Hardener (2-Part 1 Gallon Combined Kit) with Cups, Brushes, Gloves, Sticks | UV-Resistant Gloss Coating for DIY Bar, Countertops, Woodworking
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Black Epoxy Undercoat  Epoxy Paint and Primer Mix for Coating MDF, Plywood, and Other Porous Materials! Use with DIY Epoxy Resin Kits! 1 Quart (32 Fl Oz) Black Epoxy Undercoat Epoxy Paint and Primer Mix for Coating MDF, Plywood, and Other Porous Materials! Use with DIY Epoxy Resin Kits! 1 Quart (32 Fl Oz)
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16oz Crystal Clear Epoxy Resin Kit Casting and Coating for River Table Tops, Art Casting Resin,Jewelry Projects, DIY,Tumbler Crafts, Molds, Art Painting, Easy Mix 1:1 Ratio 16oz Crystal Clear Epoxy Resin Kit Casting and Coating for River Table Tops, Art Casting Resin,Jewelry Projects, DIY,Tumbler Crafts, Molds, Art Painting, Easy Mix 1:1 Ratio
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Clear Epoxy Resin Coating for Floors & Counter Tops, 100% Solids, Self Leveling - 3 Gallon Kit Clear Epoxy Resin Coating for Floors & Counter Tops, 100% Solids, Self Leveling - 3 Gallon Kit
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1. Clear Table Top Epoxy Resin That Self Levels, This is a 1 Gallon High Gloss (0.5 Gallon Resin + 0.5 Gallon Hardener) Kit Thats UV Resistant Its DIYER & Pro Preferred with Minimal Bubbles

Feature

Designed for Table Tops, Bars, Wood finishes, See-Through Encapsulations, Art work, and other applications
Self Leveling and High Gloss U.V. Resistant Formula
Produces a Tough, High Gloss, Water Resistant Coating
Eliminates Craters, Crawling and Fish Eyes
Blush Resistant

Description

Crystal Clear Bar Table Top Epoxy Resin Coating For Wood Tabletop - 1 Gallon Kit

UV Stable Crystal Clear Table Top System is a high performance two part epoxy resin Ultra Clear epoxy system designed for Table Tops, Bars, Wood finishes, See-Through Encapsulations, clear epoxy resin for crafts, Art work, and other applications requiring a clear, strong, plastic coating specifically designed to resist Yellowing caused by the sun and other Ultra Violet light sources. This two part epoxy resin material has an easy to use 1 to 1 by volume mix ratio, wets out substrates well, maintains its integrity over sharp corners, it has excellent air release qualities and a relatively fast set time for an epoxy coating which may be accelerated by mild heat to 160F. Makes a great two part epoxy wood glue. While this material will do much better than competitors products for non-yellowing we still do not recommend it for permanent outdoor applications.
This kit includes 1/2 gallon of A Side and 1/2 Gallon B Side Totaling 1 Gallon.

Advantages
100% Solids
Self Leveling, High Gloss
U.V. Resistant Formula
Excellent Air Release
Excellent Color Stability
Improved Impact Strength
Improved Surface Appearance
Early Development of Physical and Performance Properties
Produces a Tough, High Gloss, Water Resistant Coating
Eliminates Craters, Crawling and Fish Eyes
Blush Resistant

2. Zinsser 02004 Bulls Eye 1-2-3 All Surface Primer, Quart, White

Feature

Suitable for interior and exterior application. Contains a rust inhibitor making it ideal on new metal surfaces
Water-based formula sticks to most surfaces without requiring sanding for ease of use; Cleans easily with soap and water
Water-based formula resists mildew growth, blistering and peeling
Covers 100 sq. ft. per quart
Great for high pH surfaces like new concrete

Description

Rust-Oleum 2004 Zinsser Bulls Eye 1-2-3 Primer, 1 Quart, 946 ml, White

3. 1 qt XIM Products 11052 White XIM, UMA Acrylic Bonder and Primer/Sealer

Feature

This item is a XIM 11052 Advanced Technology UMA Bonder and Primer/Sealer, 1-Quart, White
Purpose of use for Painting Supplies, house-primers
This product is manufactured in United States
White Bonding Primer/Sealer provides excellent adhesion
Interior or Exterior use
All topcoats
For Tough-To-Paint surfaces: Glass, Tile Formica, Metals, Many Plastics, Wood and other construction materials

4. RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4830 Gray 5L

Feature

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
Can be applied wet on wet
1L covers approximately 60 sq. feet at 3 MIL
Salt spray resistance test completed at >1000 hours according to ASTM B117 at an independent laboratory
Flash Point: 75.2
Fit Type: Universal Fit

5. Microfiber Paint Roller Kit (1 Roller Handle + 2 Microfiber Mini Roller Sleeves) Mini Paint Rollers for Applying Paints, Primers, Enamels, DIY Epoxy, and Other Home Improvement Projects!

Feature

INCLUDED IN THIS KIT: 1 Roller Frame Handle (6 ) + 2 Microfiber Nap Roller Sleeves (6.5 x 1.4)
SAVE A TRIP TO THE HARDWARE STORE Microfiber Roller Kits are designed for the professional painter, carpenter, woodworker, epoxy artist, or DIY enthusiast who expects the best results! This countertop paint kit is everything you need to get the job done quickly with a superior finish!
USE ON A VARIETY OF PROJECTS Paint roller kit is usable with all paint, primer, urethane, epoxy, undercoat, and enamels! Recommended for use with Ultimate Top Coat epoxy from Stone Coat Countertops!
NO SHED Small paint roller covers have no shed, making it easy to use on trims, edges, and other home improvement projects! Great for dry rolling or wet rolling! Rollers can be easily cleaned, so you can use them on multiple projects and jobs!
COMFORTABLE AND EASY TO USE Roller frame comes with a comfortable handle for easy maneuverability, even around tough to reach areas! Roller arm is durable enough to last through multiple projects while providing a solid, even finish!

6. Rust-Oleum 344763 2-in-1 Rust Reform & Seal, 32 Fl Oz (Pack of 1), Black

Feature

Easy to use spray seals and protects metal surfaces from corrosion and moisture
Flexible, rubberized coating provides superior chemical and abrasion resistance
Dries to touch in 1-2 hours and covers 85-175 sq. ft. per qt. with rust protection
Apply by brush, roller or spray to repair rust problems and prevent future issues
Creates a protective coating with no shine, flat finish on rusted or bare metal

7. Pro Marine Supplies Crystal Clear Table Top Epoxy Resin & Hardener (2-Part 1 Gallon Combined Kit) with Cups, Brushes, Gloves, Sticks | UV-Resistant Gloss Coating for DIY Bar, Countertops, Woodworking

Feature

COMPLETE SET COVERED: Unsure how to prep for your epoxy resin mixtures? Weve got it covered! This set comes with 4 measuring cups, 6 medium black nitrile gloves, 2 foam brushes, and 2 stir sticks so you can start right away.
UV RESISTANT: All clear epoxy resins yellow over time. But ProMarine's Clear Table Top Epoxy has added UV resistance. This helps stall the yellowing process, making your projects look crystal clear longer.
EXPECT AN EVEN SURFACE: No one likes imperfect surfaces when coating tabletops. Worry not! Our 2 part clear epoxy resin creates a tough, self-leveling coating that doesn't have craters, crawling, and fish eyes.
FOOD SAFE: Finally built your dream kitchen, bar top, or Riverwood table? Then wine and dine with your friends and loved ones since our crystal clear epoxy resin coating is entirely food-safe when properly measured, mixed, poured, and cured.
MULTIPURPOSE: Wondering where else you can use our clear epoxy resin? Use it for wood finishes, river tables, resin art, coasters, canvases, see-through encapsulations, and more!

8. Black Epoxy Undercoat Epoxy Paint and Primer Mix for Coating MDF, Plywood, and Other Porous Materials! Use with DIY Epoxy Resin Kits! 1 Quart (32 Fl Oz)

Feature

UNDERCOAT FOR EPOXY PROJECTS Paint 2 coats of Epoxy Undercoat onto your surface before pouring your epoxy! The Undercoat will seal and bond a firm foundation for your surface, giving it a thicker and denser look, while also helping it last longer!
1 QUART (32 FL OZ) OF EPOXY-BASED PAINT Every can of Epoxy Undercoat comes with enough paint to coat multiple kitchens! Two coats will cover up to 40 Square Feet of surface, enough for a 2 Gallon kit of Stone Coat Countertops epoxy!
USE ON A VARIETY OF SURFACES Use Epoxy Undercoat on counters, table tops, bar tops, cabinets, appliances, MDF, plywood, and so much more! Undercoat can be easily rolled onto your substrate using a Microfiber Roller Kit!
MADE FOR STONE COAT EPOXY Epoxy Undercoat is made for use with countertop epoxy kits from Stone Coat Countertops! Our brand of epoxy countertop paint will give your new DIY project the refined look it deserves!
SAFE AND NON-TOXIC Epoxy Undercoat is made from small amounts of titanium dioxide, making it non-hazardous, non-toxic, and easy to wash off!

9. 16oz Crystal Clear Epoxy Resin Kit Casting and Coating for River Table Tops, Art Casting Resin,Jewelry Projects, DIY,Tumbler Crafts, Molds, Art Painting, Easy Mix 1:1 Ratio

Feature

Super Easy to Mix and Apply - 8oz Crystal Clear Epoxy Resin+ 8oz Crystal Clear Epoxy hardener, mix 1:1 ratio easily and smoothly, cures crystal clear and set hard as a rock, Perfectly formulated to be mixed with the color of your choice for VIVID, stunning results
High Gloss Durable Finish - Self leveling, and self degassing, let you create a perfectly transparent finish; Water-like quality is very fewer bubbles compared to others, naturally de-foaming with no ripples for a solid glass-like project
Safe for Confident Use - Specifically formulated for artists with low odor, non-toxic and low fumes, resistant to yellowing from UV exposure, keeps your beautiful artwork and color stable and long lasting
Your Affordable Choice - Ideal for all Casting, Coating and Art Projects including Cutting Boards, Coasters, Countertops, Bartop, Resin Art, Resin Jewelry, Coating Artwork and Acrylic Pour Paintings, Geode Paintings, Molds, River Tables
Why Choose Us - We provide Not only high qualified products for you, but 24-hour in time after-sale services reply, please feel free to contact us if any doubts during using, we will ensure you a 100% satisfactory result

10. Clear Epoxy Resin Coating for Floors & Counter Tops, 100% Solids, Self Leveling - 3 Gallon Kit

Feature

Industrial grade epoxy resin (extremely durable against wear and tear, acids, and yellowing over time).
100% Solids in the formula. Self leveling & high build coating.
Product Coverage: 1st Clear Coat: 200-300 sq. ft. / 3.78L (1 US gal.) @ 5-8 mils dft -- 2nd Clear Coat: 133-200 sq. ft. / 3.78 L (1 US gal.) @ 8-12 mils dft -- Metallic Coat: 50 sq. ft. / 3.78 L (1 US gal.) @ 32 mils dft
Perfect for any commercial, industrial or residential use.
Freshly applied product must be protected against moisture, condensation and water for at least 48 hours.

Conclusion

By our suggestions above, we hope that you can found the best epoxy undercoat primer for you. Please don't forget to share your experience by comment in this post. Thank you!
Kristi Kelly