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Best Exterior Wood Filler

We all love how great the wood looks on our furniture, floor, and appliances around the house. However, as soon as there’s any damage, the overall look quickly deteriorates. That’s why we must be ready to act fast to prevent missing wood sections from completely ruining your belongings.

Here, we’ll cover several products that work not only for inside areas but for exteriors too. Even if the wood in those particular places has contact with elements like sunlight, the fillers in this list will put up resistance.

Let’s find a good exterior wood filler to fill wood in the best way! The products reviewed here have different consistency and texture, based of their types like water-based or epoxy wood filler. Additionally, the drying time is different too. Keep this information in mind as we move forward.

In the past, most professional woodworkers would argue that wood filler wasn’t the right choice for exteriors. That’s because back then, the filler wasn’t flexible, and it’d crack if the wood either expanded or contracted. Moreover, if there was direct sunlight over it, chances are it’d shrink fast.

Luckily, that’s not the case anymore. Now, high-quality wood fillers such as the reviewed ones here are suitable for outdoor applications. Regardless of the sunlight, the filler won’t crack nor shrink. Even better, you can stain and paint over it if needed without any issues. So, there are different types of filler for wood, you just need to find the right wood putty or filler to use for exterior use.

Of course, the capabilities of the wood filler depend a lot on the brand’s quality. That’s why we’ve created the list of best wood fillers you can use for exterior wood repair, where we discuss only the top options worth your time and money. These products delivered long-lasting results in both inside and outside locations.

How Do You Fill Large Cracks in Wood?

First, you’ll need to buy a filler compound that matches the color of the wood. Worry not! We’ll help you with that. Once you get your preferred filler, it’s time to get to work.

• Step 1: Filling the Hole

There are two options for filling holes or gaps. If you purchased a filler stick, rub it over the crack. Then, use your finger to spread it as much as needed. However, if you use wood putty instead, you’ll need a putty knife or a chisel. Continue doing it across the wood grain until you overfill the crack with the filler.

• Step 2: Smooth the Filler

You have limited time, so make the best out of it by molding and flattening the filler as much as possible. Use the putty knife, a clean rag, or your finger to do it. If you use the rag, make sure it’s clean to avoid debris.

Then, you wait. The drying time varies depending on the filler, with some products requiring more or less than 8 hours. Check the label to know about the dry time.

• Step 3: Finishing

Use a fine grit to blend the racked area. Either 120 or 220 sandpaper would work too. Remove the excessive filler until it’s flat against the wood.

Best 7 Exterior Wood Fillers of 2020

With any of these wood fillers, you can say goodbye to those nasty cracks or holes in your beautiful wood surfaces.

1. Abatron WoodEpox Epoxy Wood Replacement Compound, 2 Gallon Kit, Part A & B B

  • Affordable two-gallon kit with part A & B
  • Solid and shrink-free once applied
  • Capable of filling and rebuilding missing wood sections
  • Easy to sand and paint later on

Let’s start with what is easily the go-to choice for small and large repair projects. The purchase includes a 2-gallon kit, offering parts A & B to complete your tasks successfully. With these products, you can fill and rebuild missing sections of wood to make them look perfectly neat again.

Applying the filler isn’t hard, and you get to mold it as you please without complications. You’d be able to use it on wood with direct sunlight contact, and it’ll resist outstandingly. The drying time is great, as it only takes about one hour.

Another benefit of the filler is that it’s easy to sand and paint later on. So, as you can see, this kit is the ultimate choice for everyone and every task.

2. FamoWood 40022126 Latex Wood Filler

  • Latex wood filler dries in minutes
  • No odor while applying it nor afterward
  • Capable of absorbing wood stain
  • Matches the color of most wood materials
  • Doesn’t shrink or crack

As the name states, this filler is a latex type. The difference with the previous product is that the FamoWood 40022126 dries quicker, leaving no odor behind. Once applied, this latex filler is capable of absorbing wood stains too.

This filler is convenient for more than the reasons mentioned above. Over time, there’s almost zero chance it will shrink or crack, making it a long-lasting product. Versatility is yet another advantage, as you’ll have the option to use it both indoors and outdoors.

If you were wondering what are the reasons to buy this product, versatility, durability, and quick results in under 20 minutes are a few of them. Also, the price is budget-friendly as well.

3. PC Products PC-Woody Wood Tan 16333 Repair Epoxy Paste, Two-Part in Two Cans

  • Available in different amounts, including 12 oz
  • Resistant to mildew, UV light, and water
  • Reduces drips and sags during the hardening
  • Allows molding and making adjustments
  • Easy to paint and stain once fully cured

This two-part epoxy paste is the most suitable choice for experienced and inexperienced homeowners alike. It replaces missing or rotted wood, and it’ll withstand well against mildew, UV lights, and water. Just as you can use the filler indoor, you also have the option to apply it outdoor.

The high tack allows reducing drips and sags during the hardening process. With an estimated working time of 30 to 40 minutes, you’ll have plenty of time to mold and make the adjustments needed. Afterward, you can paint and stain over the cured area once it’s ready.

This epoxy paste is a two-part product, featuring two cans that you can get in different amounts.

4. System Three 1600K10 SculpWood Brown Putty Kit

  • Available in different volumes: including gallons, quart, and oz
  • Incredible replacement for rotted and chipped wood
  • Resin and hardener are mixable by hand
  • Won’t shrink or becomes brittle after curing

Two-part epoxy putty products are often the appropriate choice to fix outside wood, and this kit is a clear example of that. The products included in this purchase are suitable to replace rotted or chipped wood. Homeowners will be able to fix cosmetic flaws such as cracks quickly.

The mixing ratio is 1:1, and you can mix the resin and hardener by hand. After the blending cures the wood materials, the final result won’t shrink or feel brittle. It’s a reliable, long-lasting replacement to fix those unpleasant issues on wood surfaces quickly and efficiently.

Besides the 8 oz size, you can get the putty kit in 0.5 gallon, 2 gallons, and 1-quart.

5. DAP 00585 Latex All Purpose 6 Oz Plastic Wood Filler

  • Solvent-based filler with strong hardening
  • Features wood fibers that make the filler look like real wood
  • You can sand, cut, drill, stain, and paint over it
  • Dries quickly
  • Resistant to cracks and shrinking

With only 6 oz, this solvent-based product doesn’t offer as much filler as the other products reviewed so far. Nonetheless, it does provide some side benefits like a lower price. Truthfully, this particular product is the right choice for those small to medium-sized projects.

Despite being only 6 oz of filler, the product doesn’t lose quality and shelf life. It performs well, providing a strong hardening that lasts a long time. This professional-grade product features real wood fibers, which allow it to look and feel like real wood.

The strong hardening is great for many reasons. It delivers strong screw anchoring that won’t split under pressure. So, you can expect the filler to be crack-resistant, and it doesn’t shrink either.

6. Bondo 20082 Home Solutions Wood Filler

  • Suitable replacement for rotted wood, and more
  • Over it, you can sand, drill, paint, and more once it dries
  • Includes filler and hardener solutions
  • Dries in just minutes

The specialty of this 1-quart wood filler is its ability to act as a replacement for rotten wood. At least, that’s how the brand advertises it, but the product can do way more than that. This purchase is a 2-part solution which includes a filler emulsion and cream hardener that works in only 15 minutes.

Applying this solution isn’t hard, and you can mold it as needed. Thanks to the low-viscosity index, the filler is capable of penetrating deep into the material, providing better and secure results.

Other than working well as a rotted wood replacement, the filler is also suitable for anything that requires a filling, really. Once it dries, it’s quite solid and durable, giving you the option to drill or sand afterward.

7. Minwax 21600000 High-Performance Wood Filler, 12-Ounce Can

  • Available in 6 to 12 oz, suitable for small tasks
  • Hardens in an estimated time of 15 minutes
  • The long-lasting formula doesn’t crack or shrink
  • Once it hardens, you can drill, carve, and paint over the filler

It’s in the last position, but the Minwax wood filler is still a capable alternative for those looking to save some money. This product is a high-performance wood filler that hardens in 15 minutes, and it turns sandable in half an hour.

The filler dries pretty fast, and its durability is top-notch. Over time, it won’t shrink, crack, or fall out, which is ideal for outdoor applications.

Currently, this wood filler is available at either 6 or 12 oz. Both are great for smaller tasks around the house, as they provide enough solution to repair tables, chairs, doors, and more.

Factors You Need to Consider Before Buying the Best Exterior Wood Filler

Keep the following considerations in mind before purchasing your wood filler.

• Color

For better results, you’ll need to buy the filler that most resembles the color of the wood you want to repair. Fortunately, if you can’t find it, you can always mix different substances to get a look-alike shade that matches the cracked area.

• Single or Two-Parts

You’ll notice that, in some cases, brands offer two-part solutions instead of a single product. Those purchases include the filler and hardener in separate containers, and more often than not, purchases, including both of these products provide better results.

Of course, you could get a single product instead. It all depends on what you want to do and your preferences.

• Volume

Other than the color and the type, you also have to figure out just how much filler you’ll need for your projects. For smaller tasks, 6 or 8 oz will be enough. On the other hand, if you’re a woodworker and require more than that, you could aim for a couple of gallons instead.

• Drying Time

Most of the wood fillers listed here dry fast. However, you don’t want them to dry too fast, or else you won’t have enough time to mold as much as needed. Having said that, don’t go for a product that takes many hours to dry, either. The ideal drying time would be from thirty minutes to an hour.

Frequently Asked Questions

1. How much time does the filler take to dry?

The drying time depends on the product and the brand. In some cases, it won’t take more than a couple of hours. Other fillers may take more than that.

2. What can you repair with wood filler?

You can repair missing wood sections, chipped parts, rotted wood, and more.

3. Does the wood filler resist water and sunlight?

Yes, the products reviewed here are surprisingly durable. You can use them for outdoor applications, and the filler will resist exterior conditions.

4. Is the wood filler easy to apply?

Yes, refer back to the third section of this article to find out how to apply the wood filler.

5. Can you sand or paint over the filler?

Yes, you can sand, paint, and do more tasks over the wood filler once it dries.

Final Words

The wood filler is essential for woodworkers and homeowners for wood repair. With the products included here, you’ll be able to repair those damaged wood surfaces to regain the beauty they once had.