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Best Epoxy For Filling Voids In Wood (2024 Updated)

If you’re looking for a solution to fill gaps and voids in your wooden furniture or flooring, then epoxy for filling voids in wood might be the answer you're looking for. Epoxy is a popular choice for filling voids in wood as it provides a strong and durable finish that can withstand wear and tear.

When choosing an epoxy for filling voids in wood, there are a few factors to consider. Firstly, make sure you choose an epoxy that is suitable for the type of wood you are working with. Different types of wood require different types of epoxy. Secondly, consider the level of transparency you want in your final finish. Certain types of epoxy will leave a more opaque finish that may not be suitable for all projects. Finally, make sure you choose an epoxy that is easy to work with and has a curing time that suits your project timeline.

Are you tired of looking at unsightly gaps and voids in your wooden flooring or furniture? Do you want to give your space a clean and professional finish? If so, then epoxy for filling voids in wood could be the solution you’ve been looking for. But with so many different types of epoxy on the market, how do you know which one to choose? What factors should you consider before making a purchase? Keep reading to find out.

10 Best Epoxy For Filling Voids In Wood

# Product Image Product Name Product Notes Check Price
1
Ideal for large projects such as river tables, sculptures, and live edge wood tables that require deep pours and encapsulation.
2
The product is ideal for casting, filling voids and cracks, encapsulating, making river tables, live edge slabs, and molds.
3
Ideal for making river tables or other projects that require a deep pour, casting, and a clear, high-gloss finish.
4
This epoxy kit is suitable for woodworking, creating river tables, and filling large voids up to one inch thick.
5
The product is ideal for restoring and repairing rotted or damaged wood surfaces.
6
The product is ideal for repairing and filling in wood surfaces and structures with an adhesive and durable epoxy paste.
7
The product is ideal for creating clear, high gloss table tops that are UV resistant and have minimal bubbles.
8
It is ideal for casting resin, art resin, mica pigment powder, river tables, live edge tables, bar tops, and countertops.
9
It is ideal for ventilating rooms with its reversible exhaust mode, weather resistance and adjustable speeds.
10
The product is ideal for sealing and repairing leaks in wet areas, such as pipes or tanks.
Ideal for large projects such as river tables, sculptures, and live edge wood tables that require deep pours and encapsulation.
The product is ideal for casting, filling voids and cracks, encapsulating, making river tables, live edge slabs, and molds.
Ideal for making river tables or other projects that require a deep pour, casting, and a clear, high-gloss finish.
This epoxy kit is suitable for woodworking, creating river tables, and filling large voids up to one inch thick.
The product is ideal for restoring and repairing rotted or damaged wood surfaces.
The product is ideal for repairing and filling in wood surfaces and structures with an adhesive and durable epoxy paste.
The product is ideal for creating clear, high gloss table tops that are UV resistant and have minimal bubbles.
It is ideal for casting resin, art resin, mica pigment powder, river tables, live edge tables, bar tops, and countertops.
It is ideal for ventilating rooms with its reversible exhaust mode, weather resistance and adjustable speeds.
The product is ideal for sealing and repairing leaks in wet areas, such as pipes or tanks.

1. Deepcast Pro Epoxy Kit – Sculpt & Seal!

The Crystal Clear 100% Solid Epoxy is the perfect solution for those looking to create river tables, live-edge slabs, castings, sculptures, encapsulating and filling large voids and cracks in wood. The epoxy saves time by allowing thicker pours, eliminating the need for multiple layers. With a maximum casting thickness of up to 3 inches, this epoxy is perfect for deep art castings, sculptures, and more. For river tables and live-edge wood slab tables, the epoxy can be poured up to 2 inches deep. To eliminate air bubbles, apply a thin seal coat of MAS Epoxies Penetrating Epoxy Sealer (sold separately) on porous wood before applying Deep Pour X.

The epoxy is easy to use and can be tinted with mica powder, translucent dyes, alcohol ink pigments, and other epoxy-safe colorants to customize your project. The mix ratio is 2 parts epoxy resin to 1 part hardener, and the extended working time makes it easy to use. The low VOC and low odor resin is available in three sizes: 1.5 Gallon Kit (1 gal resin, 1/2 gal hardener), 3 Gallon Kit (2 gal resin, 1 gal hardener), and 6 Gallon Kit (4 gal resin, 2 gal hardener).

This 100% made in the USA epoxy is a great choice for those looking to create beautiful and unique projects with ease.

Pros

  • Allows for thicker pours, saving time and eliminating the need for multiple layers
  • Maximum casting thickness of up to 3 inches for deep art castings, sculptures, and more
  • Easy to use and tint with mica powder, translucent dyes, alcohol ink pigments, and other epoxy-safe colorants
  • Low VOC and low odor resin
  • Available in three sizes: 1.5 Gallon Kit, 3 Gallon Kit, and 6 Gallon Kit
  • 100% made in the USA

2. Crystal Clear River Table Epoxy Kit

The Deep Pour Epoxy Resin and Hardener Kits are perfect for creating river tables, live-edge slabs, and casting. These kits are also great for deep resin molds, art, embedding, encapsulating, and filling large voids and cracks in wood. This product cures to a 100% solid and is sandable and machinable once fully cured. The Crystal Clear Epoxy Resin self-levels to create a high-gloss, glass-like finish on prepared wood, concrete, stone, ceramic, and metal surfaces. It is great for deep casting and molding projects to create unique sculptures, figurines, jewelry, and more.

With a max casting thickness of up to 1 inch thick per pour, you can pour single layers of resin up to 1/2” thick for larger casting applications such as slab and river table pours. For smaller molds, you can pour up to 1 inch thick. For pours over 1 inch thick per layer, you can try MAS Epoxies Deep Pour X (sold separately).

The kit is easy to use and tint. It has a simple mix ratio of 3 parts epoxy resin to 1 part hardener, and extended working time. You can pour clear or add color to the mixed liquid epoxy with mica powder, translucent dyes, alcohol ink pigments, and other epoxy-safe colorants.

The low VOC, low odor resin is available in three sizes: 1.3 Quart Kit (1 qt resin, 1/3 qt hardener), 1.3 Gallon Kit (1 gal resin, 1/3 gal hardener), 4 Gallon Kit (3 gal resin, 1 gal hardener). It is also 100% made in the USA.

Pros

  • Cures to a 100% solid and is sandable and machinable once fully cured
  • Creates a high-gloss, glass-like finish on prepared wood, concrete, stone, ceramic, and metal surfaces
  • Easy to use and tint
  • Low VOC and low odor
  • Available in three sizes
  • Made in the USA

3. Rivercast Epoxy Kit: Clear, Low Odor, & Deep Pour

Introducing Magic CAST 4'', an excellent deep pour epoxy resin that can be used for any deep pour, river table, and casting projects. This product is made in the USA and is of high quality, perfect for American artists and woodworkers. It is a 100% solids two-component clear polymer that has a low viscosity, making it easy to use. The mixing ratio is 2:1, and it can mix flawlessly with mica powder and other coloring materials. This product is highly resistant to UV, scratches, and water, and it will not exhibit blushing or sweat out under high humidity conditions. Magic CAST 4'' is also safe for use as it is low odor and has no VOCs.

Magic CAST 4'' is the perfect solution for your deep pour, river table, and casting projects. It is highly resistant, easy to use, and safe. This product is made in the USA and is of high quality, ensuring that your projects will come out looking great every time. With its low viscosity, you can mix mica powder and other coloring materials with ease. Its high resistance to UV, scratches, and water make it a great choice for any project. Additionally, it is low odor and has no VOCs, making it safe for use in any environment.

Pros

  • Made in the USA
  • High-quality product
  • Low viscosity for easy mixing with mica powder and other coloring materials
  • Highly resistant to UV, scratches, and water
  • Safe to use with low odor and no VOCs

4. Stone Coat Deep Pour Epoxy Kit.

The Deep Pour Casting Resin Epoxy from Stone Coat Countertops is the perfect solution for filling large voids up to 1 inch thick, depending on the mass of your project. This product is ideal for a variety of epoxy projects, including woodworking, river tables, table tops, bar tops, and more. It conforms to the health requirements of ASTM D4236, ensuring your safety while using it.

This epoxy kit provides a crystal-clear shine to the surface of your project, giving it a sleek and glossy look. Mix your 1.5 Gallon epoxy kit at a 2:1 ratio and easily torch out bubbles using a small blowtorch. The slow curing time ensures that you have more time to focus on perfecting your epoxy art.

The Casting Resin Epoxy is fully colorable, leaving a clear coat of epoxy or mixing with a variety of color additives for beautiful results. You can mix it fast and easy with Metallic Powder, Mica Powder, Glitter Powder, Alumilite Liquid Dye, and Base Color Tints. This feature allows you to showcase your creativity and create unique designs.

This product is perfect for river tables as it creates stunning and long-lasting results. Additionally, it works great for sealing voids in raw wood slab tops. For extra durability, it is recommended to apply an additional coat of Art Coat or Stone Coat Epoxy over the surface of your project. This way, you can better protect your surface from everyday wear and tear.

Pros

  • Conforms to the health requirements of ASTM D4236 ensuring safety while using it.
  • Provides a crystal-clear shine to the surface of your project, giving it a sleek and glossy look.
  • Fully colorable, leaving a clear coat of epoxy or mixing with a variety of color additives for beautiful results.
  • Can be used for a variety of projects including river tables, table tops, bar tops, and more.
  • Slow curing time ensures that you have more time to focus on perfecting your epoxy art.

Cons

  • – None found.

5. Abatron Wood Repair Kit – Restore With Ease!

The Abatron Wood Restoration Kit is an effective solution for repairing damaged wood. This kit includes a liquid epoxy hardener and filler that can permanently harden, regenerate, fill, replace, and waterproof damaged wood. It is perfect for historical restoration and can be used to repair windowsills, frames, doors, trim, clapboards, furniture, and more.

The LiquidWood in this kit has a 30-45 minute pot life after mixing, and the treated wood hardens in just a few hours. WoodEpox can be mixed and applied by hand to wet LiquidWood and has a 20-30 minute pot life. This makes the kit easy to use and ideal for DIY enthusiasts as well as professionals.

The Abatron Wood Restoration Kit is also environmentally friendly as it is GREENGUARD certified. It contains almost no VOCs and does not include water or solvents. It has a low odor and is a clean, safe wood repair solution for both the user and the environment.

This kit creates structural, shrink-free repairs that mimic the original wood. These products bond to previously damaged substrates and are resistant to further damage by water, pests, and UV. As a result, the repairs made with this kit are long-lasting and durable.

Abatron is a trusted brand that specializes in providing high-quality, easy-to-use, permanent building restoration products. Their items do not contain solvents and have virtually no VOCs. They are committed to offering safe products that deliver professional results, making the Abatron Wood Restoration Kit an excellent choice for anyone looking to repair damaged wood.

Pros

  • The kit includes both LiquidWood and WoodEpox, making it a complete solution for repairing damaged wood.
  • Easy to use and ideal for DIY enthusiasts as well as professionals.
  • GREENGUARD certified, making it environmentally friendly and safe for both the user and the environment.
  • Creates structural, shrink-free repairs that mimic the original wood.
  • Resistant to further damage by water, pests, and UV, resulting in long-lasting and durable repairs.
  • Abatron is a trusted brand that specializes in providing high-quality, easy-to-use, permanent building restoration products.

6. Pc Products Pc-Woody Wood Repair Epoxy Paste, Two-Part 96 Oz In Two Cans, Tan 128336

The PC-Woody Epoxy Paste is a two-part epoxy paste that can be used to replace missing or rotted wood. It is designed to be resistant to dry rot, UV light, fresh and salt water, making it perfect for indoor and outdoor applications. The application temperature range for this paste is 35 to 115 degrees F, while the service temperature range is -20 to 200 degrees F. The high tack of the paste helps reduce drips and sags while hardening. It provides a work time of 30 to 40 minutes (at 70 degrees F) to allow for adjustments.

To use the PC-Woody Epoxy Paste, mix PC-Woody part B with PC-Woody part A in equal volumes on a flat surface with a stiff putty knife. It is important to note that one should not attempt to mix the paste with gloves. It is also not recommended to mix PC-Woody in teaspoon size increments or smaller as this may result in an 'off-ratio' mix.

After the paste is fully cured, it can be painted, stained, and machined. The high 'wet grab' or tack of PC-Woody makes overhead and sidewall work easy without drip or sag. It has excellent resistance to all weather elements, dry rot, UV light, fresh and salt water, and chemicals present in pressure-treated wood. However, it should be noted that PC-Woody will not bond to wax paper, Teflon, Polyethylene, and some other plastics. It is recommended to test a small area when in doubt.

Pros

  • Resistant to dry rot, UV light, fresh and salt water
  • Can be used in indoor and outdoor applications
  • High tack helps reduce drips and sags while hardening
  • Provides work time of 30 to 40 minutes (at 70 degrees F) to allow for adjustments
  • Can be painted, stained, and machined after fully cured
  • High 'wet grab' or tack makes overhead and sidewall work easy without drip or sag
  • Excellent resistance to all weather elements, dry rot, UV light, fresh and salt water, and chemicals present in pressure-treated wood

Cons

  • – Not recommended to mix in teaspoon size increments or smaller
  • – Will not bond to wax paper, Teflon, Polyethylene, and some other plastics

7. Clear Epoxy Diy Kit With Uv Protection.

Promise Epoxy is the result of the merger between two of the most popular epoxy brands in the United States, namely ProMarine Supplies and Incredible Solutions. They have joined forces and combined their best-performing and meticulously mastered formulas to become the new leader in the home decor and art industries. The brand new look of Promise Epoxy comes with the same formulas that you have come to love.

This premium crystal clear epoxy is designed for various applications such as table tops, bars, wood finishes, see-through encapsulations, and art work. The possibilities are only limited by your imagination. The custom epoxy formulation allows for minimal bubbles and goes on smooth, helping eliminate fish eyes, craters, and various other imperfections. Promise Epoxy only offers the best because that is what they use.

Promise Epoxy is proudly manufactured in the USA. Once fully and properly cured, it is safe to use and has a low odor. They take pride in producing the best product so you can rest assured that you are getting the very best.

The easy 1:1 mixture of Promise Epoxy saves you time and money. They have already done all the guesswork for you, so you can avoid wasting your materials and money. This epoxy resin is high gloss, U.V. resistant, self-leveling, and the world is your canvas.

Promise Epoxy only produces a tough, high gloss, and water-resistant coating. When it counts, they have your back.

With Promise Epoxy, you can be confident that it will stand the test of time. Their knowledgeable customer support staff is available to support you on your journey. Whether you are a first-timer or a pro, they can help with bar tops, tabletops, river tables, jewelry, coffee tables, countertops, serving trays, and more. They have seen it all and are ready to earn your business.

Pros

  • Combination of two popular brands to become a new leader in the industry
  • Premium crystal clear epoxy with minimal bubbles and various applications
  • Proudly manufactured in the USA with a safe and low odor formula
  • Easy 1:1 mixture saves time and money with high gloss, U.V. resistant, and self-leveling properties
  • Tough, high gloss, and water-resistant coating
  • Knowledgeable customer support staff available to help with various projects

8. Clearcast: 2 Gal. All-In-One Epoxy Kit

The Art Resin is a specially formulated product that is perfect for River Tables, Live Edge Tables, Countertops, and Bar Tops. It is the ideal resin to use with pigment powder, mica powder, alcohol ink, resin dyes, and resin tints. The self-leveling property of the resin ensures that it delivers the highest super gloss finish. The result is a clear, easy to clean, scratch and water-resistant surface that is perfect for a wide range of applications.

The Art Resin has the highest UV resistance, making it the perfect epoxy resin color pigment mixing product every time. The DIY epoxy kit mixer includes clear epoxy resin and hardener, making it easy for you to get started on your next project.

The Art Resin is proudly made in the USA by the original manufacturer who has been in this business for over 60 years. You can trust this product to deliver the highest quality and performance for all your resin needs.

Pros

  • Specially formulated for River Tables, Live Edge Tables, Countertops, and Bar Tops.
  • Perfect for use with pigment powder, mica powder, alcohol ink, resin dyes, and resin tints.
  • Delivers the highest super gloss finish that is clear, easy to clean, scratch and water-resistant.
  • Has the highest UV resistance, making it the perfect epoxy resin color pigment mixing product every time.
  • DIY epoxy kit mixer includes clear epoxy resin and hardener.
  • Proudly made in the USA by the original manufacturer who has been in this business for over 60 years.

9. Portal Window Fan: 3-Speeds, Reversible, Weather Resistant.

Experience a strong and refreshing airflow with the weather-resistant Sharper Image Fan. It is designed to pull in fresh air from outside or exhaust stale air out of your home, making it perfect for any season. With just a touch of a button, the reversible exhaust feature allows you to quickly transition the airflow from fan to exhaust. The innovative modular block system ensures a seamless fit into windows 24” to 38” wide, making it ideal for single-hung and double-hung windows with an opening of at least 8" tall. The intuitive controls offer 3 speed settings to customize your comfort with minimal noise. Please note that the product dimensions are 6.58” tall x 23.85” wide x 6.12” deep, and it can only be installed in a horizontal position. Window screen removal may be necessary depending on the depth of your window. This fan is built to meet U.S. voltage requirements and is certified, safety-tested, and warrantied for use only in the U.S. Invest in the Sharper Image Fan and enjoy a cutting-edge product that comes with superior support. If you're not completely satisfied, you can get a replacement for up to 2 years. The maximum noise level is 52.6 dB, and the minimum noise level is 40.2 dB.

Pros

  • Strong airflow to pull in fresh air or exhaust stale air out of your home
  • Reversible exhaust feature
  • Innovative modular block system for seamless fit into windows 24” to 38” wide
  • Intuitive controls with 3 speed settings and minimal noise
  • Certified, safety-tested, and warrantied for use only in the U.S.
  • Superior support with a replacement for up to 2 years
  • Built to meet U.S. voltage requirements

Cons

  • – Can only be installed in a horizontal position
  • – Window screen removal may be necessary depending on the depth of your window

10. J-B Weld 8277 Waterweld Epoxy Putty Stick – 2 Oz.

J-B Weld WaterWeld is a reliable two-part epoxy putty stick that is designed to be mixed by hand. It is perfect for repairing various materials like plumbing, fuel tanks, tubs and showers, drains, pool and spa, boats, and potable water tanks. It can even cure underwater, making it an ideal adhesive for marine applications. This product is NSF certified and is safe to use for contact with potable water.

WaterWeld has a setting time of 25 minutes and cures in just 1 hour. The off-white color of the cured adhesive makes it blend in seamlessly with most materials. With a lap shear strength of 1300 PSI, it can withstand continuous temperatures of up to 300F (149C) and intermittent temperatures of up to 350F (176C). It is also resistant to petroleum, hydraulic fluids, and other chemicals when fully cured.

This product can be applied to various surfaces including iron and stainless steel, copper and brass, aluminum and bronze, fiberglass, and plastic and PVC. It is an easy-to-use adhesive that is perfect for DIY projects, big or small. J-B Weld is a reliable brand that delivers superior performance, quality, and results for the World’s Strongest Bond.

Pros

  • Certified by NSF and safe for potable water contact
  • Can cure underwater
  • Can withstand high temperatures and chemical exposure
  • Can be applied to various surfaces
  • Easy to use for DIY projects

Best Epoxy For Filling Voids In Wood FAQs

How does epoxy work for filling voids in wood?

Epoxy is a versatile and durable material that can be used for filling voids in wood. It works by combining two different components – the resin and the hardener. When these two components are mixed together, they create a chemical reaction that leads to a strong and durable bond.

To fill voids in wood, epoxy is mixed and poured into the void. The epoxy then seeps into the wood fibers and hardens, filling the void and creating a strong bond with the surrounding wood. Epoxy is particularly useful for filling large voids, cracks, and gaps in wood, as it can be poured and shaped to fill the space.

One of the benefits of using epoxy for filling voids in wood is its ability to resist moisture and temperature changes. This makes it ideal for use in outdoor applications, such as filling cracks in a wooden deck or repairing outdoor furniture. Additionally, epoxy can be sanded and painted, making it a versatile option for a variety of woodworking projects.

Overall, epoxy is a reliable and effective option for filling voids in wood. It provides a strong and durable bond that can withstand a range of conditions, making it a popular choice for both professional woodworkers and DIY enthusiasts.

How long does it take for epoxy to cure when filling voids in wood?

The curing time of epoxy when filling voids in wood can vary depending on various factors. Generally, it takes around 24 to 48 hours for the epoxy to fully cure and harden. However, the curing time may be affected by the size of the void, the type of epoxy used, the temperature and humidity of the environment, and the depth of the void.

It is important to note that epoxy cures in stages, and it may take several days for the epoxy to reach its maximum strength. During the curing process, it is crucial to ensure that the environment is clean, dry, and dust-free to avoid any contaminants that may interfere with the curing process.

To ensure the best results when using epoxy to fill voids in wood, it is advisable to follow the manufacturer's instructions and use the recommended mixing ratio and curing time. It is also important to monitor the curing process and avoid disturbing the epoxy during the curing period.

What are the benefits of using epoxy for filling voids in wood?

Epoxy is a two-part adhesive that has become increasingly popular in the woodworking industry due to its numerous benefits. One of the most significant advantages of using epoxy for filling voids in wood is its ability to create a strong bond that can withstand a significant amount of stress and pressure. This makes it an excellent choice for repairing damaged or weakened wood structures. Epoxy is also highly resistant to water, heat, and chemicals, which helps to protect the wood from further damage and deterioration.

Another benefit of using epoxy for filling voids in wood is its versatility. It can be used to fill small cracks and gaps or larger voids, and it can be tinted or colored to match the surrounding wood. Epoxy can also be sanded and polished to create a smooth, seamless finish that blends in with the rest of the wood surface.

Overall, epoxy is an effective and reliable solution for filling voids in wood. It provides a strong, long-lasting bond that can help to extend the life of wooden structures and protect them from further damage.

What are the steps for using epoxy to fill voids in wood?

Using epoxy to fill voids in wood is a great way to restore and strengthen the wood. The process can be broken down into a few simple steps.

Step 1: Prepare the area – Before you can start filling voids, you want to make sure the area is clean and free of debris. Use a chisel or sandpaper to remove any loose or damaged wood around the void.

Step 2: Mix the epoxy – Follow the instructions on your epoxy to mix it properly. You may need to mix two parts together or add a hardener. Be sure to mix thoroughly.

Step 3: Apply the epoxy – Use a putty knife or brush to apply the epoxy to the void. Make sure to fill it completely and level it off with the surface of the wood.

Step 4: Sand – Once the epoxy has hardened, sand it down to the level of the surrounding wood. Start with a coarse grit sandpaper and work your way to a fine grit.

Step 5: Finish – Apply a finish to the wood to protect it and give it a polished look.

Overall, using epoxy to fill voids in wood is a simple process that can greatly improve the appearance and strength of your wood. Just be sure to follow the instructions carefully and take your time to ensure a quality result.

What is the best type of epoxy to use for filling voids in wood?

When it comes to filling voids in wood, epoxy is an excellent choice because of its durability and strength. However, not all epoxies are created equal, and choosing the right one for your project is crucial. The best type of epoxy to use for filling voids in wood is a two-part, slow-curing epoxy. Slow-curing epoxies give you plenty of time to apply and work with the material, ensuring that you can fill the voids effectively without any air pockets or gaps. Moreover, slow-curing epoxies penetrate deeper into the wood, making them ideal for larger voids. Additionally, make sure to choose a clear or transparent epoxy that won't affect the wood's appearance. It's also crucial to choose an epoxy that is specifically designed for wood applications, as they tend to have better adhesion and flexibility, which is important for wood that may expand or contract due to changes in temperature or humidity. In summary, when choosing an epoxy for filling voids in wood, opt for a slow-curing, clear, and wood-specific epoxy for the best results.

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