best exterior wood fillers

Top 11 Best Exterior Wood Filler Reviews 2020

Wood-based products are everywhere. Tables, cabinets, even a boat has components that are made up of wood.

One of the major flaws of this material is that it can get damaged from time to time. Sometimes, even a slight scratch on a new furniture can be annoying and unpleasant to look at. 

So, you might be wondering, is there a way to restore a damaged wooden surface? Well, yes and it is actually quite easy!

The solution you are looking for is called an epoxy filler. It is a substance that can cover up small scratches, cracks, and gouges. They are very easy to apply and sets very fast.

Finding the best exterior wood filler can be a bit tricky since there are so many of them on the market.  But don't worry, we have made the task of getting the right product easy for you. In this article, we will look at some of the finest fillers that you can buy. 

Let’s begin!

Our Recommended 11 Best Exterior Wood Fillers 2020

1. 3M 20082 Home Solutions Wood Filler 1 Quart

Repairing wood is a common issue for most homeowners, both inside and outside their homes. From wood floors, window sills, furniture, and more. Bondo wood filler provides long-lasting and high-quality repairs that are quick and easy to do. The product will not shrink and is ideal for same-day repairs. 

The wood filler is easy to apply. First, clean the surface using warm soapy water, and remove any dirt, wax, or oil that might be on the wood's surface. Then allow the wood to fully dry. Using 80 grit sandpaper, get rid of any paint or rust from the application area.

Then pour the wood filler on a clean mixing surface. Apply a small amount of red cream hardener on the wood filler. Then mix the two thoroughly for about 2 minutes until a light red color appears.

Apply the mix over the application surface thinly and carefully to ensure maximum adhesion. You can apply more coats of the wood filler to achieve the desired results.

It is great for any large scale wood repairs. The product can be used to repair any cracks and gouges. It sets up very quickly. Depending on the thickness of the layer, the filler can be sanded and painted on in a short time. When the filler is painted and sanded, it will have a great appearance.

Highlighted Features:

  • Turns light red in color when set.
  • It is easy to apply.
  • The filler can be sanded and painted.
  • It can be used in a variety of applications.
  • The filler sets very quickly.

2. System Three 1-Quart SculpWood Moldable Epoxy Putty

SculpWood from System Three is a unique wood filler.  The product can be molded and applied to an area, which makes repairing quick and easy.

Unlike most wood fillers, SculpWood has to be kneaded, just like clay. The product feels like you are working like clay, which makes using it very simple. It can easily be molded into any shape you want. 

The putty consists of two components that don't contain any solvents. It is strong and adheres very well to the surface of the wood. The putty can be sanded and primed or painted on after setting. Once the putty sets, it will have a hard structure. You can put nails and screws if needed. The product will easily adhere to all wood surfaces and porous materials.

To apply the product, simply mix the two components in equal amounts thoroughly. When mixed, the product will be pliable and workable for approximately an hour.

Then mold the putty and apply it to the damaged surface. When mixed, the putty is brown in color. The putty will not crack or break after setting. The product will cure within 4 hours.

SculpWood putty is one of the best exterior wood filler products available on the market. The putty is waterproof, making it ideal for both indoor and outdoor usage.

It is an excellent product to repair dried out or damaged wood. You can also use the putty to replace broken sections of window sills, frames, and furniture.

Highlighted Features:

  • The putty is easy to apply.
  • It is resistant to moisture.
  • The product has a fast curing time.
  • It can be applied to many wood surfaces.
  • It can be sanded and painted after setting.

3. J-B Weld 8258 KwikWood Exterior Wood Filler

J-B Weld’s KwikWood is a two-part epoxy putty that can be used to fix or repair damaged wooden surfaces. It is easy to apply and a fast solution that gives excellent results. 

Applying KwikWood is a straightforward process. To use the epoxy putty, take out the putty, and cut a portion of it. Then roll the putty with your fingers and thoroughly knead it. Then apply the kneaded epoxy to the damaged or chipped wooden surface. As the epoxy comes in a tube, you can put any unused putty for later projects.

The putty has fast curing and setting time. When applied, the putty takes approximately 15-25 minutes to set and cures in 1 hour. The putty bonds very well to the surface. The product when set has a light tan color that goes well with most wooden surfaces.

The putty is quite strong when it sets. It has a leap shear strength of approximately 900PSI. This means that the putty is very strong and won’t get damaged under heavy loads. The putty can easily be sanded and shaped. It is also resistant to stains and can be drilled if needed. 

KwikWood putty has a range of applications. You can use it on door hinges, cracks and gouges, whole repairs, and more. It is an ideal wood repairing product and is great for small and large projects.

Highlighted Features:

  • The putty bonds very well to the surface.
  • It takes approximately 15-25 minutes to set.
  • It can be used on small and large projects.
  • Has a leap shear strength of 900PSI
  • The product is easy to apply.

4. PC Products Wood Repair Epoxy Paste

PC Woody Epoxy paste is a non-solvent, non-shrink, and non-crack flexible paste epoxy. It is a putty designed to replace missing and rotten wood.

The product is made from real wood and has structural strength greater than most wood.  It is a two-part epoxy that comes in two distinct cans. The two parts must be mixed equally before the application. It has a working time of 30 minutes and cures within a day.

The putty is an effective solution and can be used for multiple forms of wood repairs. It provides excellent adhesion and is great for both interiors and exterior repairs. The putty is a permanent wood repair solution that is resistant to sunlight. It is also a great solution for wood that has saltwater damage.

The adhesive doesn’t drip or sag when it hardens. The paste an application range of 35 to 115 degrees Fahrenheit and can withstand temperatures from -20 to 200 degrees Fahrenheit when fully cured. It is tough enough and is damage-resistant against insects, squirrels, and other creatures that causes damage to wood.

The putty has a high tack and is high in viscosity.  This makes it suitable for vertical uses and applications. As it is made from wood, the putty has very similar features to wood when it is set and cured. The putty can be sanded, drilled, painted, and stained.

Highlighted Features:

  • The epoxy cures within a day.
  • Has high tack and high viscosity.
  • Does not contain any solvents.
  • The putty doesn’t sag or drip after hardening.
  • It can be sanded and painted.

5. J-B Weld 40007 Wood Restore Premium Epoxy Putty Kit

J-B Weld’s premium wood restoring epoxy is an amazing product that can be used to repair damaged wooden surfaces. The product is a two-part epoxy that gives excellent strength to the damaged surface. 

The two-part epoxy is simple to use. The formula adheres well to the surface. The contents have to be poured and mixed in equal amounts on a disposable surface. To mix the contents well, it has to be kneaded thoroughly until there is a uniform color. Then the mix has to be applied on the damaged surface.

The product is ideal for any kind of wood surface repairs. It gives strength to rotted wood, and can also be used as a filler for holes, cracks, and gouges. The putty can also be used to bind wood surfaces. The product when cures have the same density as wood. It can be used for both interior and exterior wooden surfaces.

The putty can be used for all kinds of wood repairing projects. It is used by professionals because of their quality, adhesion, and performance. The putty does not contain any solvents and is easy to work with. The putty once set becomes rock solid.

It has a tensile strength of 1800PSI. The putty when cured won’t crack or break and can easily be sanded and drilled in an hour. It is a great product and will give superb results.

Highlighted Features:

  • Great for any kind of wood surfaces.
  • It gives excellent strength to the damaged surface.
  • It is easy to apply.
  • Can be used for all kind of wood repairs.
  • Has a tensile strength of 1800PSI.

6. FamoWood 40022126 Latex Wood Filler

If you’re looking for a versatile latex filler that sets very quickly, then the FamoWood filler is an ideal product for you.

FamoWood comes in various colors. This allows you to match the shade of the wood surface. You don't have to sand and paint the wood later on to get the color you are looking for. FamoWood has a thick consistency and is easy to apply. It also adheres to the surface very well.  The product fills up small and large gaps and cracks easily. 

The filler can be applied from the tub. You don't have to mix or prepare it before applying. Simply spread the filler over the damaged surface and let it set. You can also apply thicker layers if needed.

The filler is durable. It adheres very well to the wood surface and won’t crack or chip away when set. It also sets in within 15 minutes, making it ideal for quick repair projects. The product is also free of any solvents, making it easier to apply.  It is perfect for both small and large repair projects.

The product can be applied in both indoor and outdoor wooden components. Once the filler sets, it can be sanded, stained, or painted if required. It is a water-soluble product. This allows you to wash the surface after the filler sets.

Highlighted Features:

  • The filler adheres very well to the wood surface.
  • It can be used for indoor and outdoor wooden components.
  • It can be sanded and painted after it sets.
  • Great for small and large projects.
  • It is easy to apply. 

7. Elmer's E887Q Stainable Wood Filler

Elmer's Stainable wood filler is one of the most popular wood repair products on the market. The filler comes in a convenient 3.25-ounce tube, which makes application quick and simple.

Elmer’s filler contains real wood fibers. This gives the surface a wooden texture when set. It is a great product if you’re looking to stain the surface after setting. The product can be stained very easily. You can even sand it and paint it over to match the wood color.

The filler becomes hard after curing. It is also solvent-free, which makes it easy to apply. It comes in a tube and is a lightweight and portable alternative to the larger wood filler tubs. The product is ideal for filling small holes and cracks in wooden surfaces. The filler adheres very well to the surface.

Using Elmer's wood filler is very simple. Simply squeeze a small amount of the filler on the surface and allow it dry. You can put screws and anchors on the repaired surface if needed. It can also be used with high-speed sanders so that you get a great texture.

It can be used indoors and outdoors wooden components. It is a sustainable wood filler that performs very well. If you’re looking for quick wood repairs, then this is a great solution for you.

Highlighted Features:

  • It comes in an easy to apply tube.
  • Does not contain any solvents.
  • It contains real wood fibers.
  • Great for small repair work.
  • It can be sanded and painted easily.

8. Minwax 42853000 Stainable Wood Filler

Minwax is an excellent choice for repairing wood-related damages. It is easy to apply and is a perfect solution for permanent repairs. 

The product is designed to fill in cracks, gouges, nail holes, and more. The filler when set can be sanded and painted. It is also resistant to cracking. You can easily drill screw holes after the filler has completely been dried out.

The filler has a fast drying time. It is ideal for repair projects that need to be done quickly.  The filler takes around 15 minutes to dry after being applied. It is also easy to spread and doesn't need to be mixed or kneaded before the application.

To apply the filler, take a small amount of the product and apply it over the surface. You have to fill the product above the surface of the crack or holes. This will allow you to sand it easily. 

It is a high-performance filler that creates a strong bond and adheres to the wood's surface very well. The latex formula allows the filler to be washed with soap and water after it has set.

The filler can be used on both interior and exterior wood repair projects. If you’re looking for an inexpensive product that can be used in small repair projects, then the Minwax stainable wood filler is the ideal product for you.

Highlighted Features:

  • It is resistant to cracking.
  • Adheres to the surface very well.
  • It can be used in interior and exterior repair projects.
  • It can be sanded and painted.
  • The filler is easy to apply. 

9. Elmer's Products, Inc E848D12 Carpenter's Wood Filler

Looking to restore wood-related surface damages? Then check out Elmer’s carpenter’s wood filler.

This filler can be used to repair small damages. This includes holes and gouges. It is an easy to use product that dries quickly, making it ideal for small repair projects.

The filler when dried can be sanded and painted to match the shade of the wooden surface.  It also sands quite nicely and gives a smooth finish.

The product is strong and durable. It doesn’t crack or break after setting so you can easily put nails in the repaired surface if needed. The filler can also be washed with soap and water. The filler adheres very well to the surface, making it easy to cover small cracks.

Applying the filler is quite simple. You don't have to mix or knead the product. Simply take a small amount of the filler and apply it over the surface that needs to be repaired. The filler will dry within 15 minutes. It doesn't contain any solvents, making it safe and easy to use. The restored area can also be easily stained if needed.

Elmer's wood filler is a great product if you are looking to repair interior wood components. It is a popular product amongst carpenters and DIYers. It is also less expensive compared to other popular brands but has great bonding performance.

Highlighted Features:

  • The filler is strong and durable.
  • It can be used to repair small damages.
  • It can be washed with soap and water.
  • Does not contain any solvents.
  • The filler is easy to use.

10. Donald Durhams 076694000046 4-Pound Rockhard Water Putty

This is a great product if you’re searching for a putty that can be used for a long time. It is an old school filler that gives excellent bonding performance.

Donald Durham’s putty is a powdered solution that has to be mixed with water to apply. It is great for filling in cracks and gouges. The putty can be applied in furniture, concrete, and more.

The gypsum-based filler becomes rock solid when combined with water. It bonds strongly to the wooden surface. It also adheres very well to surfaces such as cement, plaster, and stone.

To apply the putty, simply mix the required amount of the powder with water. The putty should have a thick consistency. Then apply the putty on the area that needs to be repaired. It has a fast setting time.

This makes it great for quick repair tasks. The putty when set is resistant to scratches and doesn’t crack after drying.

The putty can be easily sawed, sanded, and painted when it sets. It is a powdered solution so you can store the product when not in use. The putty can also be used to patch items like pebbles or similar materials in mosaics.

Donald Durham's water putty gives incredible strength to damaged oil-free surfaces. If you are looking for a water putty, then this is a product that you should consider purchasing.

Highlighted Features:

  • The putty is easy to apply.
  • Bonds strongly to the wooden surface.
  • It is great for quick repair tasks.
  • It can be used to patch small items to mosaics.
  • It is strong and durable.

11. DAP Inc 16Oz Latex Plastic Wood Filler Inc 00529 16Oz Latex Plastic Wood Filler

DAP Latex plastic wood filler is a versatile product that has a fast setting time and has incredible bonding performance.

This filler is 3 times stronger than wood. It contains latex. This makes it similar to wood. This makes it easy to work with. It is also waterproof and resistant to damages. It has a thick consistency and is simple to apply. The filler has excellent adhesion, and can easily cover up small holes and cracks.

The filler comes in a tub and can be applied easily. It doesn't require any kneading before applying. To use the filler, apply it over the area that needs to be repaired and allow it to set. You can also apply thicker coats if required.

The filler hardens very quickly. This makes it perfect for surface fixing projects that need to be done quickly. The filler when set can be sanded, stained, or painted to match the color of the wood surface. It also has a smooth finish after setting.  It is also crack resistant and can anchor nails and screws.

Despite being the best wood filler for exterior, DAP filler can be used for interior repair tasks as well. It is a reliable product that can be applied to various wooden surfaces.

The inexpensive putty is easy to apply and has great bonding performance. Also, the putty can be cleaned using water.

Highlighted Features:

  • It is 3 times stronger than wood.
  • It is sandable and paintable.
  • The filler sets very quickly.
  • It can be used for interior and exterior wood repairs.
  • It is easy to apply.

Comparison Chart of Wood Filler for Exterior

Name

Type

Setting Time

Application

3M Home Solutions Wood Filler

Epoxy

15 minutes

Exterior

System Three 1-Quart 

Epoxy

24 hours

Interior/Exterior

J-B Weld  Wood Repair Epoxy Putty

Epoxy

1 hour

Interior/Exterior

PC Products Epoxy Paste

Epoxy

1 hour

Interior/Exterior

J-B Weld Epoxy Putty Kit

Epoxy

1 hour

Interior/Exterior

FamoWood Latex Wood Filler

Latex

15 minutes

Interior/Exterior

Elmer's Stainable Wood Filler

Epoxy

15 minutes

Interior/Exterior

Minwax Stainable Wood Filler

Latex

15 minutes

Interior/Exterior

Elmer's Carpenter's Wood Filler

Epoxy

12 - 24 hours

Interior

Donald Durhams 4-Pound

Gypsum

15 minutes

Interior/Exterior

DAP Inc 16Oz

Latex

12 - 24 hours

Interior/Exterior

Exterior Wood Filler Buying Guide

Filler Types

Some wood fillers are designed for a specific use. You will find wood fillers that are ideal for covering or repairing holes, gouges, or cracks on all wood types. They usually come in various types.

Latex or vinyl wood fillers are easy to handle and use as they can be molded to a shape. They set in very quickly. These fillers are weatherproof and can be used in both interiors and exteriors.

Two-part epoxy fillers are also commonly used. They have to be mixed in equal amounts before the application. They offer great adhesion and bonding, so they can be used to stick to wooden pieces together.

Color

Color is a factor that you may have to consider before getting a wood filler. Most wood fillers come in white or brown colors.

If you plan on staining the repaired surface, the color of the filler won't matter much. If you don't want to stain the surface, get the color that is close to the wood that you want to repair.  You also want a filler that can be stainable or paintable.

Application Environment

Fillers usually come labeled as 'Interior' or 'Interior/Exterior'. Interior fillers are generally designed for indoor usage.

On the other hand, some of the best exterior wood filler products are not limited to outdoor uses only. Their versatility allows them to be applied on both interior and exterior wood surfaces. These fillers can withstand extreme cold or heat, and won't get damaged easily. They are also weatherproof and durable.

Quantity

Fillers come in various sizes. Before purchasing a filler make sure you know how much is needed.

For larger projects, you need a bigger version of the wood filler.

If you are fixing small scratches or cracks, a small-sized filler should be good enough.

People Also Asked (FAQs)

1. What Is The Difference Between Wood Filler And A Putty?

There are several differences between a wood filler and a putty.

Generally, wood putty is an oil-based product that is excellent in resisting moisture. Like most wood repair products, they become solid when set, but do not lose much of their flexibility. Wood putty is ideal for exterior use as they are waterproof, and won't break easily.

Wood filler is usually made with a combination of different compounds. This commonly includes latex and epoxy. Wood fillers harden very quickly after application. They are an ideal option for large indoor and outdoor repair projects.

2. What Is The Difference Between Gypsum And Epoxy Wood Filler?

Gypsum wood filler is a powdered product that needs to be mixed with water to form a putty. The putty has to have a thick consistency before the application. It is easy to apply and dries quickly. The surface can be sanded and painted if needed.

Epoxy wood fillers are one of the most common types of fillers. It is great for both indoor and outdoor use as it is resistant to moisture. It also dries very quickly and doesn't break or crack after setting.  Epoxy fillers can be sanded and painted to match the color of the wood.

3. Can You Paint After Completing The Repair?

Some wood fillers come in various colors to match the wood. You can also paint the wood after the putty has set. Simply sand the surface and then apply the coat of paint. Fillers that have a fast setting time can be sanded quickly.

Make sure that the filler is stainable. This way you can stain or paint the surface to the exact color you want.

Conclusion

Wooden items are prone to scratches, chipping, and other types of damages. Holes, cracks, and gouges reduces the aesthetic value of your precious furniture, and makes them look old.

There are a number of different options available for you to choose from. The best exterior wood filler can help you reduce expensive repair work. 

The products we reviewed can restore damaged wood surfaces. They are quick and easy to apply and are ideal for any repair projects. With a bit of extra effort of sanding and painting the cured area, you can completely make the surface look great again!

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