If you’ve ever been involved in home repairs or tackled some wood projects around your home, chances are you’ve run across those annoying cracks, dents or tiny holes that seem impossible to repair. These imperfections can ruin the work you’ve put into it, whether it’s an old deck, worn-out outdoor trim or a piece of furniture. The good news? There’s a simple solution for wood filler.

However, that not all wood fillers are the same. Choosing the correct one for the project can make a huge difference. This guide will explain the best way to utilize wood filler (especially when working outdoors).

What exactly is Wood Filler?

Wood filler is a putty-like substance used to fill in holes, fill cracks and smooth out any imperfections on wood surfaces. After it dries the wood filler can be painted or stained, which makes it an excellent product to create a smooth surface before applying your final coat.

Wood fillers can be found in two types of water-based ones, both are more easy to clean and is ideal for use indoors. Solvent-based wood fillers are more durable and more resistant to weather. The best type to choose depends on the purpose for which you’re using it.

When is the best time to use wood filler?

If you notice a crack or gouge or scratch on a wooden surface, filler wood will help repair it. Filler can be used in several situations.

Repairing furniture damaged

Fixing cracks in doors or window frames

Patching nail holes in trim molding

Repairing the gaps in fences, decks and other structures

If you are planning to stain or paint the surface, filling those imperfections first will provide you with a an even, professional appearance.

Why the importance of exterior wood filler for outdoor projects

You’re doing outdoor wood projects such as decks, fences or siding. It’s important to remember that outdoor wood fillers aren’t suitable for outdoor use. Wood expands and contracts because of temperature fluctuations or humidity, as well as rain and sun. If they’re not designed to be for outdoor use, fillers may crack or break over time.

These fillers are created to withstand the elements. They can be flexed to move along with the wood and prevent the wood from becoming damaged when the seasons change. Exterior fillers may also be resistant to UV rays, and mildew.

The Right Way to apply Deck Wood Filler

Deck wood filler will help you fill larger gaps and cracks in your outdoor deck. It’s often available in user-friendly tubes that can be used using a standard caulking tool and make the application simple and quick.

This is a short step-bystep guide on how to ensure you’re on the right track:

Clean the Surface: Get rid of dirt debris, any old filler.

Prepare the Area: Lightly rub the area around the crack to ensure that the filler will be able to adhere correctly.

Apply the Filler using a putty knife or caulking gun to push the filler into the area that has been damaged. Fill the area with enough to allow for shrinkage once it is dry.

Let it Dry Completely – Be sure to follow the drying times of the product (this can vary based on the type or thickness).

Sand smooth: When the wood has dried you can sand it in a smooth manner with the surface to create a seamless appearance.

Prime and paint or stain Paint or stain your project by using stains or paints that are in harmony with the rest of the project.

Small Step, Big Results

At first glance, picking up one of these tubes may seem like no big issue. If you ask someone who skipped the step only to regret it the difference could be the difference between an amateur DIY and a polished and professional finish.

Whether you’re restoring an old chair or patching up a backyard deck, using the right wood filler, especially exterior wood filler or deck wood filler where needed, ensures your hard work stands the test of time.

Be sure to remember: before you pick up the paintbrush, you need to smooth it then fill it in and then seal the project. Your wood work (and your future self) will be thankful for it.