How To Use Epoxy Resin On Wood

To use epoxy resin on wood, sand the surface to 80–120 grit and wipe off the dust, mix the resin and hardener at the exact ratio on the label (usually 1:1 by volume), pour or brush it on in thin layers, drive out the bubbles with a heat gun, then let it cure at 70–75°F for 24 to 72 hours. Clear epoxy deepens the grain and coloured epoxy makes it pop, which is why resin-and-wood tables, chopping boards and jewellery took off. Below are five resins worth buying for wood, then the full step-by-step method and the mistakes that ruin a pour.

The 5 best epoxy resins for wood

The right resin depends on the job: a thin, high-gloss tabletop coat needs a different formula than a deep river-table pour or a food-safe cutting board. These five cover most woodworking projects, from budget coasters to gallon-size countertops. Here they are side by side.

If you want one safe all-rounder, the MAS Table Top Pro kit is the pick. Read on for what each one is actually best at.

Best overall: MAS Table Top Pro (1-Gallon Kit)

Cured, the Table Top Pro sets to a high-gloss, glass-like finish that shrugs off scuffs and everyday abrasion, so it suits tabletops, bar tops and countertops you actually use. The gallon kit is enough for large surfaces, which is where cheaper 16 oz kits run out halfway through.

• Pros: high-gloss, glass-like cured finish; scratch- and abrasion-resistant; sized for big tabletops and countertops; formulated for wood and glass.
• Cons: it is a coating resin for thin pours, not deep casting; a gallon is more than small craft projects need.

Best food-safe design pick: Zdspoxy Crystal Clear (35 oz)

This kit mixes at an easy 1:1 ratio and cures in about 18–24 hours, and 35 oz covers roughly 3.8 square feet at a 1/8-inch pour. It is made from German raw materials, is low-odour and VOC-free, and is certified food-safe once cured (SGS and RoHS tested, ISO 9001), which makes it a solid choice for boards and countertops. One catch: it is oil-based, so keep it away from anything holding water.

• Pros: simple 1:1 mix; certified food-safe once cured; low odour and VOC-free; clear and non-yellowing.
• Cons: oil-based, so not for water-containing pieces; one 35 oz kit only covers ~3.8 sq ft, so large jobs need several.

Best value for money: Pro Marine self-levelling table top epoxy

Pro Marine’s self-levelling 1:1 formula is forgiving for first-timers, and it is UV-resistant, so it holds its colour instead of yellowing in the light. Made in the USA and safe once cured, it flows out to a smooth high-gloss coat that helps release fisheyes and craters. It is aimed at tabletops, bars, wood finishes and see-through encapsulations, not deep single-pour casts.

• Pros: self-levelling 1:1 formula that is easy for beginners; UV-resistant against yellowing; high-gloss finish; made in the USA.
• Cons: a coating for thin layers, not thick single-pour casting; measure the 1:1 precisely or it may not cure fully.

Best budget pick: Teexpert 16 oz Epoxy Resin Kit

The Teexpert AB kit is the cheap way in: crystal-clear resin and hardener with graduated measuring cups and plain instructions, so a beginner can pour a coaster or a small art piece without buying a gallon first. It works on wood, glass and metal, which makes it handy for mixed-media crafts.

• Pros: low-cost entry kit; works on wood, glass and metal; includes graduated cups and clear instructions; good for coasters and small casts.
• Cons: 16 oz is small, so it is for coatings and small pours only; self-levelling can be uneven if the ratio is slightly off.

Best all-purpose food-safe kit: Craft Resin countertop & coating epoxy

This is the most versatile kit of the five. It is certified food-safe and heat-resistant up to 200°F, so it handles cheeseboards and countertops as well as art. It bonds across wood, metal, glass, concrete and embeds like dried flowers or rocks, self-levels at 1:1, dries fully transparent and carries advanced UV protection so it stays clear over time. It is odourless, which helps if you are working indoors.

• Pros: certified food-safe and heat-resistant to 200°F; works across wood, metal, glass and embeds; self-levelling 1:1 that dries fully clear; advanced UV protection; odourless.
• Cons: still a coating grade, so very thick pours need layering; priced above the budget kits.

How to use epoxy resin on wood, step by step

The method is the same whether you are sealing a live-edge slab or casting a coaster: dry wood, an exact mix, a warm clean space, thin layers and patience. Here are the eight steps.

1. Choose the right wood

Dry wood matters most. Most species take epoxy, but flat, dry stock works best, and the moisture content should be under 12%, because epoxy is sensitive to moisture and even a little can cloud the cure. Yew, elm, oak and black walnut all look especially good under resin. Epoxy wets and darkens the grain, so test a scrap piece first to see how your wood will change.

2. Prep and sand the surface

Sand the wood with 80–120 grit and remove every bit of dust before the resin goes on. Porous woods and MDF drink up resin, so seal them first with a thin brushed coat of epoxy, gesso or acrylic primer and let it dry. If you have painted artwork onto the piece, the paint must be fully dry before you coat it, which can take a while with multiple layers. Testing a scrap tells you whether your wood needs the extra seal step.

3. Set up your workspace

Epoxy needs a stable temperature of 70–75°F (21–24°C) for at least the first 24 hours, with 70°F about ideal. Cover surfaces and floors with plastic sheeting, because resin is sticky and hard to clean off carpet. Dust is the enemy. Any floating particle gets locked into the finish for good, so keep the space as clean as you can. If you work in a shed or garage, plan a way to hold the temperature steady, ventilate the room, and put on gloves, goggles and a mask.

4. Mix the resin and hardener

Match the resin to the project first, then mix exactly as the label says. Most consumer kits are 1:1 by volume, though some measure by weight (MakerPoxy, for example, is 100 parts A to 84 parts B). If you weigh it, zero your cup on the scale, add Part A, then add Part B to hit the ratio. Stir slowly for 3–5 minutes, since whipping it fast beats in air bubbles, then pour into a second clean cup and stir another 2–3 minutes to clear any leftover bubbles. Only mix what you can use in about 20 minutes, even if the working time runs to an hour.

5. Add colour (optional)

To tint the resin, split the mixed batch into smaller clean, dry cups and add pigment, mica powder or alcohol ink a little at a time, stirring slowly after each addition. Start with a small amount and build up to the shade you want, since it is easy to over-colour and impossible to lighten once it is in.

6. Pour in layers

Seal fragile embeds, like photos or dried flowers, with a thin brushed coat before you pour over them. Coating resins are built for thin layers, so build thicker or deeper projects up in stages rather than one heavy pour that can overheat and crack. If you are casting in a mould, our guide on how to make a silicone mould for resin walks through it, and if you need to bond cured layers, see how to fuse pieces of resin together.

7. Remove the bubbles

Wait about 10 minutes after pouring so trapped air rises to the surface, then move a heat gun or torch quickly across the top to pop the bubbles. A hair dryer runs cooler (around 140°F) and will not reach bubbles deep in a pour, so for anything thick, work in thinner layers and clear each one before adding the next.

8. Cure, sand and finish

Leave the piece at least 24 hours before you demould or move it, and up to 72 hours for thick, multi-layer or cool-room pours. When it is hard, trim or sand off any resin that seeped from the seams, working up through the grits and finishing with a polish. Our step-by-step on how to sand epoxy resin smooth and clear covers that part. If the piece will touch food, use a food-safe kit and finish it accordingly.

Common mistakes to avoid

• Skipping the moisture check. Wood over 12% moisture traps water under the resin and leaves cloudy or uncured patches.
• Eyeballing the ratio. Off-ratio resin stays soft, sticky or never fully hardens. Measure by the label, every time.
• Stirring too fast. Whipping the mix beats in air bubbles that are hard to remove later.
• One thick pour with a coating resin. Deep single pours can overheat, crack and cure cloudy. Build up in layers.
• A cold or dusty space. Cool rooms slow the cure, and floating dust gets locked into the finish forever.
• Not sealing porous wood or MDF. Unsealed, it soaks up the pour and leaves pinholes.

Frequently asked questions

What is the ratio of epoxy resin to hardener?

Most consumer wood epoxy kits mix 1:1 by volume, though some measure by weight (MakerPoxy is 100 parts resin to 84 parts hardener). Always follow the exact ratio printed on your brand, because off-ratio resin can stay soft or sticky and never cure properly.

How long does epoxy resin take to cure on wood?

Plan on about 24 hours before you handle the piece and up to 72 hours for a full cure. Thicker pours, extra layers and cooler rooms all extend it. Keeping the wood at 70–75°F for the first day helps it cure evenly.

Is epoxy resin food safe for cutting boards?

Only once it is fully cured, and only kits that are certified food-safe, such as Craft Resin or Zdspoxy. Uncured resin is not food-safe, so check the manufacturer’s food-contact statement and let it cure completely before the board sees any food.

How do I get bubbles out of epoxy on wood?

Wait roughly 10 minutes after pouring for the air to rise, then pass a heat gun or torch quickly over the surface. Sealing porous wood first and pouring in thin layers stops deep bubbles forming in the first place.

Do I need to seal wood before applying epoxy?

Sand to 80–120 grit and remove the dust; that is enough for many hardwoods. Porous wood and MDF should get a thin seal coat first (a brushed layer of epoxy, gesso or primer) so they do not soak up the pour and leave pinholes.

How much epoxy resin do I need for a wood project?

Work it out from surface area and pour depth. As a rough guide, a coating kit such as Zdspoxy covers about 3.8 square feet at a 1/8-inch flood coat per 35 oz. Multiply the length by the width for the area, then check your kit’s own coverage chart, since deep or river-table pours use far more. Buy a little extra rather than run out mid-pour, because a seam between two batches almost always shows in the finish.

Final thoughts

Working with epoxy on wood comes down to five things: dry wood under 12% moisture, an exact mix ratio, a warm dust-free space, thin layers, and patience while it cures. Match the resin to the job, a food-safe kit for anything that touches food, a coating resin for tabletops, and something rated for depth for river tables, then test on a scrap before you commit to the real piece. Get those right and the grain does the rest.

Martin Flood

Martin Flood has been working in the construction industry for over 20 years as a general contractor with expertise in remodeling projects that are large or small. He has furthered his career by specializing in epoxy resin flooring, providing excellent service to both commercial and residential clients. Martin’s experience enables him to offer professional advice on how to choose the right type of project based on your needs and budget.

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